bbgo_origin/pkg/strategy/ewoDgtrd/strategy.go
2022-10-03 18:45:24 +08:00

1268 lines
40 KiB
Go

package ewoDgtrd
import (
"context"
"errors"
"fmt"
"math"
"os"
"sync"
"github.com/fatih/color"
"github.com/sirupsen/logrus"
"github.com/c9s/bbgo/pkg/bbgo"
"github.com/c9s/bbgo/pkg/fixedpoint"
"github.com/c9s/bbgo/pkg/indicator"
"github.com/c9s/bbgo/pkg/types"
"github.com/c9s/bbgo/pkg/util"
)
const ID = "ewo_dgtrd"
var log = logrus.WithField("strategy", ID)
func init() {
bbgo.RegisterStrategy(ID, &Strategy{})
}
type Strategy struct {
// Embedded components
// ===================
*bbgo.Environment
bbgo.StrategyController
// Auto-Injection fields
// ====================
// Market of the symbol
Market types.Market
// Session is the trading session of this strategy
Session *bbgo.ExchangeSession
orderExecutor *bbgo.GeneralOrderExecutor
// Persistence fields
// ====================
// Position
Position *types.Position `json:"position,omitempty" persistence:"position"`
// ProfitStats
ProfitStats *types.ProfitStats `json:"profitStats,omitempty" persistence:"profit_stats"`
// Settings fields
// =========================
UseHeikinAshi bool `json:"useHeikinAshi"` // use heikinashi kline
StopLoss fixedpoint.Value `json:"stoploss"`
Symbol string `json:"symbol"`
Interval types.Interval `json:"interval"`
UseEma bool `json:"useEma"` // use exponential ma or not
UseSma bool `json:"useSma"` // if UseEma == false, use simple ma or not
SignalWindow int `json:"sigWin"` // signal window
DisableShortStop bool `json:"disableShortStop"` // disable SL on short
DisableLongStop bool `json:"disableLongStop"` // disable SL on long
FilterHigh float64 `json:"cciStochFilterHigh"` // high filter for CCI Stochastic indicator
FilterLow float64 `json:"cciStochFilterLow"` // low filter for CCI Stochastic indicator
EwoChangeFilterHigh float64 `json:"ewoChangeFilterHigh"` // high filter for ewo histogram
EwoChangeFilterLow float64 `json:"ewoChangeFilterLow"` // low filter for ewo histogram
Record bool `json:"record"` // print record messages on position exit point
KLineStartTime types.Time
KLineEndTime types.Time
entryPrice fixedpoint.Value
waitForTrade bool
atr *indicator.ATR
emv *indicator.EMV
ccis *CCISTOCH
ma5 types.SeriesExtend
ma34 types.SeriesExtend
ewo types.SeriesExtend
ewoSignal types.SeriesExtend
ewoHistogram types.SeriesExtend
ewoChangeRate float64
heikinAshi *HeikinAshi
peakPrice fixedpoint.Value
bottomPrice fixedpoint.Value
midPrice fixedpoint.Value
lock sync.RWMutex
buyPrice fixedpoint.Value
sellPrice fixedpoint.Value
}
func (s *Strategy) ID() string {
return ID
}
func (s *Strategy) InstanceID() string {
return fmt.Sprintf("%s:%s", ID, s.Symbol)
}
func (s *Strategy) Initialize() error {
return nil
}
func (s *Strategy) Subscribe(session *bbgo.ExchangeSession) {
session.Subscribe(types.KLineChannel, s.Symbol, types.SubscribeOptions{Interval: types.Interval1m})
session.Subscribe(types.KLineChannel, s.Symbol, types.SubscribeOptions{Interval: s.Interval})
if !bbgo.IsBackTesting {
session.Subscribe(types.BookTickerChannel, s.Symbol, types.SubscribeOptions{})
}
}
// Refer: https://tw.tradingview.com/script/XZyG5SOx-CCI-Stochastic-and-a-quick-lesson-on-Scalping-Trading-Systems/
type CCISTOCH struct {
cci *indicator.CCI
stoch *indicator.STOCH
ma *indicator.SMA
filterHigh float64
filterLow float64
}
func NewCCISTOCH(i types.Interval, filterHigh, filterLow float64) *CCISTOCH {
cci := &indicator.CCI{IntervalWindow: types.IntervalWindow{Interval: i, Window: 28}}
stoch := &indicator.STOCH{IntervalWindow: types.IntervalWindow{Interval: i, Window: 28}}
ma := &indicator.SMA{IntervalWindow: types.IntervalWindow{Interval: i, Window: 3}}
return &CCISTOCH{
cci: cci,
stoch: stoch,
ma: ma,
filterHigh: filterHigh,
filterLow: filterLow,
}
}
func (inc *CCISTOCH) Update(cloze float64) {
inc.cci.Update(cloze)
inc.stoch.Update(inc.cci.Last(), inc.cci.Last(), inc.cci.Last())
inc.ma.Update(inc.stoch.LastD())
}
func (inc *CCISTOCH) BuySignal() bool {
hasGrey := false
for i := 0; i < len(inc.ma.Values); i++ {
v := inc.ma.Index(i)
if v > inc.filterHigh {
return false
} else if v >= inc.filterLow && v <= inc.filterHigh {
hasGrey = true
continue
} else if v < inc.filterLow {
return hasGrey
}
}
return false
}
func (inc *CCISTOCH) SellSignal() bool {
hasGrey := false
for i := 0; i < len(inc.ma.Values); i++ {
v := inc.ma.Index(i)
if v < inc.filterLow {
return false
} else if v >= inc.filterLow && v <= inc.filterHigh {
hasGrey = true
continue
} else if v > inc.filterHigh {
return hasGrey
}
}
return false
}
type VWEMA struct {
PV types.UpdatableSeries
V types.UpdatableSeries
}
func (inc *VWEMA) Last() float64 {
return inc.PV.Last() / inc.V.Last()
}
func (inc *VWEMA) Index(i int) float64 {
if i >= inc.PV.Length() {
return 0
}
vi := inc.V.Index(i)
if vi == 0 {
return 0
}
return inc.PV.Index(i) / vi
}
func (inc *VWEMA) Length() int {
pvl := inc.PV.Length()
vl := inc.V.Length()
if pvl < vl {
return pvl
}
return vl
}
func (inc *VWEMA) Update(kline types.KLine) {
inc.PV.Update(kline.Close.Mul(kline.Volume).Float64())
inc.V.Update(kline.Volume.Float64())
}
func (inc *VWEMA) UpdateVal(price float64, vol float64) {
inc.PV.Update(price * vol)
inc.V.Update(vol)
}
// Setup the Indicators going to be used
func (s *Strategy) SetupIndicators(store *bbgo.MarketDataStore) {
window5 := types.IntervalWindow{Interval: s.Interval, Window: 5}
window34 := types.IntervalWindow{Interval: s.Interval, Window: 34}
s.atr = &indicator.ATR{IntervalWindow: window34}
s.emv = &indicator.EMV{IntervalWindow: types.IntervalWindow{Interval: s.Interval, Window: 14}}
s.ccis = NewCCISTOCH(s.Interval, s.FilterHigh, s.FilterLow)
getSource := func(window types.KLineWindow) types.Series {
if s.UseHeikinAshi {
return s.heikinAshi.Close
}
return window.Close()
}
getVol := func(window types.KLineWindow) types.Series {
if s.UseHeikinAshi {
return s.heikinAshi.Volume
}
return window.Volume()
}
s.heikinAshi = NewHeikinAshi(500)
store.OnKLineWindowUpdate(func(interval types.Interval, window types.KLineWindow) {
if interval == s.atr.Interval {
if s.atr.RMA == nil {
for _, kline := range window {
high := kline.High.Float64()
low := kline.Low.Float64()
cloze := kline.Close.Float64()
vol := kline.Volume.Float64()
s.atr.Update(high, low, cloze)
s.emv.Update(high, low, vol)
}
} else {
kline := window[len(window)-1]
high := kline.High.Float64()
low := kline.Low.Float64()
cloze := kline.Close.Float64()
vol := kline.Volume.Float64()
s.atr.Update(high, low, cloze)
s.emv.Update(high, low, vol)
}
}
if s.Interval != interval {
return
}
if s.heikinAshi.Close.Length() == 0 {
for _, kline := range window {
s.heikinAshi.Update(kline)
s.ccis.Update(getSource(window).Last())
}
} else {
s.heikinAshi.Update(window[len(window)-1])
s.ccis.Update(getSource(window).Last())
}
})
if s.UseEma {
ema5 := &indicator.EWMA{IntervalWindow: window5}
ema34 := &indicator.EWMA{IntervalWindow: window34}
store.OnKLineWindowUpdate(func(interval types.Interval, window types.KLineWindow) {
if s.Interval != interval {
return
}
if ema5.Length() == 0 {
closes := types.Reverse(getSource(window))
for _, cloze := range closes {
ema5.Update(cloze)
ema34.Update(cloze)
}
} else {
cloze := getSource(window).Last()
ema5.Update(cloze)
ema34.Update(cloze)
}
})
s.ma5 = ema5
s.ma34 = ema34
} else if s.UseSma {
sma5 := &indicator.SMA{IntervalWindow: window5}
sma34 := &indicator.SMA{IntervalWindow: window34}
store.OnKLineWindowUpdate(func(interval types.Interval, window types.KLineWindow) {
if s.Interval != interval {
return
}
if sma5.Length() == 0 {
closes := types.Reverse(getSource(window))
for _, cloze := range closes {
sma5.Update(cloze)
sma34.Update(cloze)
}
} else {
cloze := getSource(window).Last()
sma5.Update(cloze)
sma34.Update(cloze)
}
})
s.ma5 = sma5
s.ma34 = sma34
} else {
evwma5 := &VWEMA{
PV: &indicator.EWMA{IntervalWindow: window5},
V: &indicator.EWMA{IntervalWindow: window5},
}
evwma34 := &VWEMA{
PV: &indicator.EWMA{IntervalWindow: window34},
V: &indicator.EWMA{IntervalWindow: window34},
}
store.OnKLineWindowUpdate(func(interval types.Interval, window types.KLineWindow) {
if s.Interval != interval {
return
}
clozes := getSource(window)
vols := getVol(window)
if evwma5.PV.Length() == 0 {
for i := clozes.Length() - 1; i >= 0; i-- {
price := clozes.Index(i)
vol := vols.Index(i)
evwma5.UpdateVal(price, vol)
evwma34.UpdateVal(price, vol)
}
} else {
price := clozes.Last()
vol := vols.Last()
evwma5.UpdateVal(price, vol)
evwma34.UpdateVal(price, vol)
}
})
s.ma5 = types.NewSeries(evwma5)
s.ma34 = types.NewSeries(evwma34)
}
s.ewo = s.ma5.Div(s.ma34).Minus(1.0).Mul(100.)
s.ewoHistogram = s.ma5.Minus(s.ma34)
windowSignal := types.IntervalWindow{Interval: s.Interval, Window: s.SignalWindow}
if s.UseEma {
sig := &indicator.EWMA{IntervalWindow: windowSignal}
store.OnKLineWindowUpdate(func(interval types.Interval, _ types.KLineWindow) {
if interval != s.Interval {
return
}
if sig.Length() == 0 {
// lazy init
ewoVals := types.Reverse(s.ewo)
for _, ewoValue := range ewoVals {
sig.Update(ewoValue)
}
} else {
sig.Update(s.ewo.Last())
}
})
s.ewoSignal = sig
} else if s.UseSma {
sig := &indicator.SMA{IntervalWindow: windowSignal}
store.OnKLineWindowUpdate(func(interval types.Interval, _ types.KLineWindow) {
if interval != s.Interval {
return
}
if sig.Length() == 0 {
// lazy init
ewoVals := s.ewo.Reverse()
for _, ewoValue := range ewoVals {
sig.Update(ewoValue)
}
} else {
sig.Update(s.ewo.Last())
}
})
s.ewoSignal = sig
} else {
sig := &VWEMA{
PV: &indicator.EWMA{IntervalWindow: windowSignal},
V: &indicator.EWMA{IntervalWindow: windowSignal},
}
store.OnKLineWindowUpdate(func(interval types.Interval, window types.KLineWindow) {
if interval != s.Interval {
return
}
if sig.Length() == 0 {
// lazy init
ewoVals := s.ewo.Reverse()
for i, ewoValue := range ewoVals {
vol := window.Volume().Index(i)
sig.PV.Update(ewoValue * vol)
sig.V.Update(vol)
}
} else {
vol := window.Volume().Last()
sig.PV.Update(s.ewo.Last() * vol)
sig.V.Update(vol)
}
})
s.ewoSignal = types.NewSeries(sig)
}
}
// Utility to evaluate if the order is valid or not to send to the exchange
func (s *Strategy) validateOrder(order *types.SubmitOrder) error {
if order.Type == types.OrderTypeMarket && order.TimeInForce != "" {
return errors.New("wrong field: market vs TimeInForce")
}
if order.Side == types.SideTypeSell {
baseBalance, ok := s.Session.GetAccount().Balance(s.Market.BaseCurrency)
if !ok {
log.Error("cannot get account")
return errors.New("cannot get account")
}
if order.Quantity.Compare(baseBalance.Available) > 0 {
log.Errorf("qty %v > avail %v", order.Quantity, baseBalance.Available)
return errors.New("qty > avail")
}
price := order.Price
if price.IsZero() {
price, ok = s.Session.LastPrice(s.Symbol)
if !ok {
log.Error("no price")
return errors.New("no price")
}
}
orderAmount := order.Quantity.Mul(price)
if order.Quantity.Sign() <= 0 ||
order.Quantity.Compare(s.Market.MinQuantity) < 0 ||
orderAmount.Compare(s.Market.MinNotional) < 0 {
log.Debug("amount fail")
return fmt.Errorf("amount fail: quantity: %v, amount: %v", order.Quantity, orderAmount)
}
return nil
} else if order.Side == types.SideTypeBuy {
quoteBalance, ok := s.Session.GetAccount().Balance(s.Market.QuoteCurrency)
if !ok {
log.Error("cannot get account")
return errors.New("cannot get account")
}
price := order.Price
if price.IsZero() {
price, ok = s.Session.LastPrice(s.Symbol)
if !ok {
log.Error("no price")
return errors.New("no price")
}
}
totalQuantity := quoteBalance.Available.Div(price)
if order.Quantity.Compare(totalQuantity) > 0 {
log.Errorf("qty %v > avail %v", order.Quantity, totalQuantity)
return errors.New("qty > avail")
}
orderAmount := order.Quantity.Mul(price)
if order.Quantity.Sign() <= 0 ||
orderAmount.Compare(s.Market.MinNotional) < 0 ||
order.Quantity.Compare(s.Market.MinQuantity) < 0 {
log.Debug("amount fail")
return fmt.Errorf("amount fail: quantity: %v, amount: %v", order.Quantity, orderAmount)
}
return nil
}
log.Error("side error")
return errors.New("side error")
}
func (s *Strategy) PlaceBuyOrder(ctx context.Context, price fixedpoint.Value) (*types.Order, *types.Order) {
var closeOrder *types.Order
var ok bool
waitForTrade := false
base := s.Position.GetBase()
if base.Abs().Compare(s.Market.MinQuantity) >= 0 && base.Mul(s.GetLastPrice()).Abs().Compare(s.Market.MinNotional) >= 0 && base.Sign() < 0 {
if closeOrder, ok = s.ClosePosition(ctx); !ok {
log.Errorf("sell position %v remained not closed, skip placing order", base)
return closeOrder, nil
}
}
if s.Position.GetBase().Sign() < 0 {
// we are not able to make close trade at this moment,
// will close the rest of the position by normal limit order
// s.entryPrice is set in the last trade
waitForTrade = true
}
quoteBalance, ok := s.Session.GetAccount().Balance(s.Market.QuoteCurrency)
if !ok {
log.Infof("buy order at price %v failed", price)
return closeOrder, nil
}
quantityAmount := quoteBalance.Available
totalQuantity := quantityAmount.Div(price)
order := types.SubmitOrder{
Symbol: s.Symbol,
Side: types.SideTypeBuy,
Type: types.OrderTypeLimit,
Price: price,
Quantity: totalQuantity,
Market: s.Market,
TimeInForce: types.TimeInForceGTC,
}
if err := s.validateOrder(&order); err != nil {
log.Infof("validation failed %v: %v", order, err)
return closeOrder, nil
}
log.Warnf("long at %v, position %v, closeOrder %v, timestamp: %s", price, s.Position.GetBase(), closeOrder, s.KLineStartTime)
createdOrders, err := s.orderExecutor.SubmitOrders(ctx, order)
if err != nil {
log.WithError(err).Errorf("cannot place order")
return closeOrder, nil
}
log.Infof("post order c: %v, entryPrice: %v o: %v", waitForTrade, s.entryPrice, createdOrders)
s.waitForTrade = waitForTrade
return closeOrder, &createdOrders[0]
}
func (s *Strategy) PlaceSellOrder(ctx context.Context, price fixedpoint.Value) (*types.Order, *types.Order) {
var closeOrder *types.Order
var ok bool
waitForTrade := false
base := s.Position.GetBase()
if base.Abs().Compare(s.Market.MinQuantity) >= 0 && base.Abs().Mul(s.GetLastPrice()).Compare(s.Market.MinNotional) >= 0 && base.Sign() > 0 {
if closeOrder, ok = s.ClosePosition(ctx); !ok {
log.Errorf("buy position %v remained not closed, skip placing order", base)
return closeOrder, nil
}
}
if s.Position.GetBase().Sign() > 0 {
// we are not able to make close trade at this moment,
// will close the rest of the position by normal limit order
// s.entryPrice is set in the last trade
waitForTrade = true
}
baseBalance, ok := s.Session.GetAccount().Balance(s.Market.BaseCurrency)
if !ok {
return closeOrder, nil
}
order := types.SubmitOrder{
Symbol: s.Symbol,
Side: types.SideTypeSell,
Type: types.OrderTypeLimit,
Market: s.Market,
Quantity: baseBalance.Available,
Price: price,
TimeInForce: types.TimeInForceGTC,
}
if err := s.validateOrder(&order); err != nil {
log.Infof("validation failed %v: %v", order, err)
return closeOrder, nil
}
log.Warnf("short at %v, position %v closeOrder %v, timestamp: %s", price, s.Position.GetBase(), closeOrder, s.KLineStartTime)
createdOrders, err := s.orderExecutor.SubmitOrders(ctx, order)
if err != nil {
log.WithError(err).Errorf("cannot place order")
return closeOrder, nil
}
log.Infof("post order, c: %v, entryPrice: %v o: %v", waitForTrade, s.entryPrice, createdOrders)
s.waitForTrade = waitForTrade
return closeOrder, &createdOrders[0]
}
// ClosePosition(context.Context) -> (closeOrder *types.Order, ok bool)
// this will decorate the generated order from NewMarketCloseOrder
// add do necessary checks
// if available quantity is zero, will return (nil, true)
// if any of the checks failed, will return (nil, false)
// otherwise, return the created close order and true
func (s *Strategy) ClosePosition(ctx context.Context) (*types.Order, bool) {
order := s.Position.NewMarketCloseOrder(fixedpoint.One)
// no position exists
if order == nil {
// no base
s.sellPrice = fixedpoint.Zero
s.buyPrice = fixedpoint.Zero
return nil, true
}
order.TimeInForce = ""
// If there's any order not yet been traded in the orderbook,
// we need this additional check to make sure we have enough balance to post a close order
balances := s.Session.GetAccount().Balances()
baseBalance := balances[s.Market.BaseCurrency].Available
if order.Side == types.SideTypeBuy {
price := s.GetLastPrice()
quoteAmount := balances[s.Market.QuoteCurrency].Available.Div(price)
if order.Quantity.Compare(quoteAmount) > 0 {
order.Quantity = quoteAmount
}
} else if order.Side == types.SideTypeSell && order.Quantity.Compare(baseBalance) > 0 {
order.Quantity = baseBalance
}
// if no available balance...
if order.Quantity.IsZero() {
return nil, true
}
if err := s.validateOrder(order); err != nil {
log.Errorf("cannot place close order %v: %v", order, err)
return nil, false
}
createdOrders, err := s.orderExecutor.SubmitOrders(ctx, *order)
if err != nil {
log.WithError(err).Errorf("cannot place close order")
return nil, false
}
log.Infof("close order %v", createdOrders)
return &createdOrders[0], true
}
func (s *Strategy) CancelAll(ctx context.Context) {
if err := s.orderExecutor.GracefulCancel(ctx); err != nil {
log.WithError(err).Errorf("graceful cancel order error")
}
s.waitForTrade = false
}
func (s *Strategy) GetLastPrice() fixedpoint.Value {
var lastPrice fixedpoint.Value
var ok bool
if s.Environment.IsBackTesting() {
lastPrice, ok = s.Session.LastPrice(s.Symbol)
if !ok {
log.Errorf("cannot get last price")
return lastPrice
}
} else {
s.lock.RLock()
if s.midPrice.IsZero() {
lastPrice, ok = s.Session.LastPrice(s.Symbol)
if !ok {
log.Errorf("cannot get last price")
return lastPrice
}
} else {
lastPrice = s.midPrice
}
s.lock.RUnlock()
}
return lastPrice
}
// Trading Rules:
// - buy / sell the whole asset
// - SL by atr (lastprice < buyprice - atr) || (lastprice > sellprice + atr)
// - TP by detecting if there's a ewo pivotHigh(1,1) -> close long, or pivotLow(1,1) -> close short
// - TP by ma34 +- atr * 2
// - TP by (lastprice < peak price - atr) || (lastprice > bottom price + atr)
// - SL by s.StopLoss (Abs(price_diff / price) > s.StopLoss)
// - entry condition on ewo(Elliott wave oscillator) Crosses ewoSignal(ma on ewo, signalWindow)
// * buy signal on (crossover on previous K bar and no crossunder on latest K bar)
// * sell signal on (crossunder on previous K bar and no crossunder on latest K bar)
// - and filtered by the following rules:
// * buy: buy signal ON, kline Close > Open, Close > ma5, Close > ma34, CCI Stochastic Buy signal
// * sell: sell signal ON, kline Close < Open, Close < ma5, Close < ma34, CCI Stochastic Sell signal
// - or entry when ma34 +- atr * 3 gets touched
// - entry price: latestPrice +- atr / 2 (short,long), close at market price
// Cancel non-fully filled orders on new signal (either in same direction or not)
//
// ps: kline might refer to heikinashi or normal ohlc
func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, session *bbgo.ExchangeSession) error {
s.buyPrice = fixedpoint.Zero
s.sellPrice = fixedpoint.Zero
s.peakPrice = fixedpoint.Zero
s.bottomPrice = fixedpoint.Zero
counterTPfromPeak := 0
percentAvgTPfromPeak := 0.0
counterTPfromCCI := 0
percentAvgTPfromCCI := 0.0
counterTPfromLongShort := 0
percentAvgTPfromLongShort := 0.0
counterTPfromAtr := 0
percentAvgTPfromAtr := 0.0
counterTPfromOrder := 0
percentAvgTPfromOrder := 0.0
counterSLfromSL := 0
percentAvgSLfromSL := 0.0
counterSLfromOrder := 0
percentAvgSLfromOrder := 0.0
if s.Position == nil {
s.Position = types.NewPositionFromMarket(s.Market)
}
if s.ProfitStats == nil {
s.ProfitStats = types.NewProfitStats(s.Market)
}
instanceID := s.InstanceID()
s.orderExecutor = bbgo.NewGeneralOrderExecutor(session, s.Symbol, ID, instanceID, s.Position)
s.orderExecutor.BindEnvironment(s.Environment)
s.orderExecutor.BindProfitStats(s.ProfitStats)
// s.orderExecutor.BindTradeStats(s.TradeStats)
s.orderExecutor.TradeCollector().OnPositionUpdate(func(position *types.Position) {
bbgo.Sync(ctx, s)
})
s.orderExecutor.Bind()
s.orderExecutor.TradeCollector().OnTrade(func(trade types.Trade, profit, netprofit fixedpoint.Value) {
// calculate report for the position that cannot be closed by close order (amount too small)
if s.waitForTrade {
price := s.entryPrice
if price.IsZero() {
panic("no price found")
}
pnlRate := trade.Price.Sub(price).Abs().Div(trade.Price).Float64()
if s.Record {
log.Errorf("record avg %v trade %v", price, trade)
}
if trade.Side == types.SideTypeBuy {
if trade.Price.Compare(price) < 0 {
percentAvgTPfromOrder = percentAvgTPfromOrder*float64(counterTPfromOrder) + pnlRate
counterTPfromOrder += 1
percentAvgTPfromOrder /= float64(counterTPfromOrder)
} else {
percentAvgSLfromOrder = percentAvgSLfromOrder*float64(counterSLfromOrder) + pnlRate
counterSLfromOrder += 1
percentAvgSLfromOrder /= float64(counterSLfromOrder)
}
} else if trade.Side == types.SideTypeSell {
if trade.Price.Compare(price) > 0 {
percentAvgTPfromOrder = percentAvgTPfromOrder*float64(counterTPfromOrder) + pnlRate
counterTPfromOrder += 1
percentAvgTPfromOrder /= float64(counterTPfromOrder)
} else {
percentAvgSLfromOrder = percentAvgSLfromOrder*float64(counterSLfromOrder) + pnlRate
counterSLfromOrder += 1
percentAvgSLfromOrder /= float64(counterSLfromOrder)
}
} else {
panic(fmt.Sprintf("no sell(%v) or buy price(%v), %v", s.sellPrice, s.buyPrice, trade))
}
s.waitForTrade = false
}
if s.Position.GetBase().Abs().Compare(s.Market.MinQuantity) >= 0 && s.Position.GetBase().Abs().Mul(trade.Price).Compare(s.Market.MinNotional) >= 0 {
sign := s.Position.GetBase().Sign()
if sign > 0 {
log.Infof("base become positive, %v", trade)
s.buyPrice = s.Position.AverageCost
s.sellPrice = fixedpoint.Zero
s.peakPrice = s.Position.AverageCost
} else if sign == 0 {
panic("not going to happen")
} else {
log.Infof("base become negative, %v", trade)
s.buyPrice = fixedpoint.Zero
s.sellPrice = s.Position.AverageCost
s.bottomPrice = s.Position.AverageCost
}
s.entryPrice = trade.Price
} else {
log.Infof("base become zero, rest of base: %v", s.Position.GetBase())
if s.Position.GetBase().IsZero() {
s.entryPrice = fixedpoint.Zero
}
s.buyPrice = fixedpoint.Zero
s.sellPrice = fixedpoint.Zero
s.peakPrice = fixedpoint.Zero
s.bottomPrice = fixedpoint.Zero
}
})
store, ok := s.Session.MarketDataStore(s.Symbol)
if !ok {
return fmt.Errorf("cannot get marketdatastore of %s", s.Symbol)
}
s.SetupIndicators(store)
// local peak of ewo
shortSig := s.ewo.Last() < s.ewo.Index(1) && s.ewo.Index(1) > s.ewo.Index(2)
longSig := s.ewo.Last() > s.ewo.Index(1) && s.ewo.Index(1) < s.ewo.Index(2)
sellOrderTPSL := func(price fixedpoint.Value) {
lastPrice := s.GetLastPrice()
base := s.Position.GetBase().Abs()
if base.Mul(lastPrice).Compare(s.Market.MinNotional) < 0 || base.Compare(s.Market.MinQuantity) < 0 {
return
}
if s.sellPrice.IsZero() {
return
}
balances := session.GetAccount().Balances()
quoteBalance := balances[s.Market.QuoteCurrency].Available
atr := fixedpoint.NewFromFloat(s.atr.Last())
atrx2 := fixedpoint.NewFromFloat(s.atr.Last() * 2)
buyall := false
if s.bottomPrice.IsZero() || s.bottomPrice.Compare(price) > 0 {
s.bottomPrice = price
}
takeProfit := false
bottomBack := s.bottomPrice
spBack := s.sellPrice
reason := -1
if quoteBalance.Div(lastPrice).Compare(s.Market.MinQuantity) >= 0 && quoteBalance.Compare(s.Market.MinNotional) >= 0 {
base := fixedpoint.NewFromFloat(s.ma34.Last())
// TP
if lastPrice.Compare(s.sellPrice) < 0 && (longSig ||
(!atrx2.IsZero() && base.Sub(atrx2).Compare(lastPrice) >= 0)) {
buyall = true
takeProfit = true
// calculate report
if longSig {
reason = 1
} else {
reason = 2
}
}
if !atr.IsZero() && s.bottomPrice.Add(atr).Compare(lastPrice) <= 0 &&
lastPrice.Compare(s.sellPrice) < 0 {
buyall = true
takeProfit = true
reason = 3
}
// SL
/*if (!atrx2.IsZero() && s.bottomPrice.Add(atrx2).Compare(lastPrice) <= 0) ||
lastPrice.Sub(s.bottomPrice).Div(lastPrice).Compare(s.StopLoss) > 0 {
if lastPrice.Compare(s.sellPrice) < 0 {
takeProfit = true
}
buyall = true
s.bottomPrice = fixedpoint.Zero
}*/
if !s.DisableShortStop && ((!atr.IsZero() && s.sellPrice.Sub(atr).Compare(lastPrice) >= 0) ||
lastPrice.Sub(s.sellPrice).Div(s.sellPrice).Compare(s.StopLoss) > 0) {
buyall = true
reason = 4
}
}
if buyall {
log.Warnf("buyall TPSL %v %v", s.Position.GetBase(), quoteBalance)
p := s.sellPrice
if order, ok := s.ClosePosition(ctx); order != nil && ok {
if takeProfit {
log.Errorf("takeprofit buy at %v, avg %v, l: %v, atrx2: %v", lastPrice, spBack, bottomBack, atrx2)
} else {
log.Errorf("stoploss buy at %v, avg %v, l: %v, atrx2: %v", lastPrice, spBack, bottomBack, atrx2)
}
// calculate report
if s.Record {
log.Error("record ba")
}
var pnlRate float64
if takeProfit {
pnlRate = p.Sub(lastPrice).Div(lastPrice).Float64()
} else {
pnlRate = lastPrice.Sub(p).Div(lastPrice).Float64()
}
switch reason {
case 0:
percentAvgTPfromCCI = percentAvgTPfromCCI*float64(counterTPfromCCI) + pnlRate
counterTPfromCCI += 1
percentAvgTPfromCCI /= float64(counterTPfromCCI)
case 1:
percentAvgTPfromLongShort = percentAvgTPfromLongShort*float64(counterTPfromLongShort) + pnlRate
counterTPfromLongShort += 1
percentAvgTPfromLongShort /= float64(counterTPfromLongShort)
case 2:
percentAvgTPfromAtr = percentAvgTPfromAtr*float64(counterTPfromAtr) + pnlRate
counterTPfromAtr += 1
percentAvgTPfromAtr /= float64(counterTPfromAtr)
case 3:
percentAvgTPfromPeak = percentAvgTPfromPeak*float64(counterTPfromPeak) + pnlRate
counterTPfromPeak += 1
percentAvgTPfromPeak /= float64(counterTPfromPeak)
case 4:
percentAvgSLfromSL = percentAvgSLfromSL*float64(counterSLfromSL) + pnlRate
counterSLfromSL += 1
percentAvgSLfromSL /= float64(counterSLfromSL)
}
}
}
}
buyOrderTPSL := func(price fixedpoint.Value) {
lastPrice := s.GetLastPrice()
base := s.Position.GetBase().Abs()
if base.Mul(lastPrice).Compare(s.Market.MinNotional) < 0 || base.Compare(s.Market.MinQuantity) < 0 {
return
}
if s.buyPrice.IsZero() {
return
}
balances := session.GetAccount().Balances()
baseBalance := balances[s.Market.BaseCurrency].Available
atr := fixedpoint.NewFromFloat(s.atr.Last())
atrx2 := fixedpoint.NewFromFloat(s.atr.Last() * 2)
sellall := false
if s.peakPrice.IsZero() || s.peakPrice.Compare(price) < 0 {
s.peakPrice = price
}
takeProfit := false
peakBack := s.peakPrice
bpBack := s.buyPrice
reason := -1
if baseBalance.Compare(s.Market.MinQuantity) >= 0 && baseBalance.Mul(lastPrice).Compare(s.Market.MinNotional) >= 0 {
// TP
base := fixedpoint.NewFromFloat(s.ma34.Last())
if lastPrice.Compare(s.buyPrice) > 0 && (shortSig ||
(!atrx2.IsZero() && base.Add(atrx2).Compare(lastPrice) <= 0)) {
sellall = true
takeProfit = true
// calculate report
if shortSig {
reason = 1
} else {
reason = 2
}
}
if !atr.IsZero() && s.peakPrice.Sub(atr).Compare(lastPrice) >= 0 &&
lastPrice.Compare(s.buyPrice) > 0 {
sellall = true
takeProfit = true
reason = 3
}
// SL
/*if s.peakPrice.Sub(lastPrice).Div(s.peakPrice).Compare(s.StopLoss) > 0 ||
(!atrx2.IsZero() && s.peakPrice.Sub(atrx2).Compare(lastPrice) >= 0) {
if lastPrice.Compare(s.buyPrice) > 0 {
takeProfit = true
}
sellall = true
s.peakPrice = fixedpoint.Zero
}*/
if !s.DisableLongStop && (s.buyPrice.Sub(lastPrice).Div(s.buyPrice).Compare(s.StopLoss) > 0 ||
(!atr.IsZero() && s.buyPrice.Sub(atr).Compare(lastPrice) >= 0)) {
sellall = true
reason = 4
}
}
if sellall {
log.Warnf("sellall TPSL %v", s.Position.GetBase())
p := s.buyPrice
if order, ok := s.ClosePosition(ctx); order != nil && ok {
if takeProfit {
log.Errorf("takeprofit sell at %v, avg %v, h: %v, atrx2: %v", lastPrice, bpBack, peakBack, atrx2)
} else {
log.Errorf("stoploss sell at %v, avg %v, h: %v, atrx2: %v", lastPrice, bpBack, peakBack, atrx2)
}
// calculate report
if s.Record {
log.Error("record sa")
}
var pnlRate float64
if takeProfit {
pnlRate = lastPrice.Sub(p).Div(p).Float64()
} else {
pnlRate = p.Sub(lastPrice).Div(p).Float64()
}
switch reason {
case 0:
percentAvgTPfromCCI = percentAvgTPfromCCI*float64(counterTPfromCCI) + pnlRate
counterTPfromCCI += 1
percentAvgTPfromCCI /= float64(counterTPfromCCI)
case 1:
percentAvgTPfromLongShort = percentAvgTPfromLongShort*float64(counterTPfromLongShort) + pnlRate
counterTPfromLongShort += 1
percentAvgTPfromLongShort /= float64(counterTPfromLongShort)
case 2:
percentAvgTPfromAtr = percentAvgTPfromAtr*float64(counterTPfromAtr) + pnlRate
counterTPfromAtr += 1
percentAvgTPfromAtr /= float64(counterTPfromAtr)
case 3:
percentAvgTPfromPeak = percentAvgTPfromPeak*float64(counterTPfromPeak) + pnlRate
counterTPfromPeak += 1
percentAvgTPfromPeak /= float64(counterTPfromPeak)
case 4:
percentAvgSLfromSL = percentAvgSLfromSL*float64(counterSLfromSL) + pnlRate
counterSLfromSL += 1
percentAvgSLfromSL /= float64(counterSLfromSL)
}
}
}
}
// set last price by realtime book ticker update
// to trigger TP/SL
session.MarketDataStream.OnBookTickerUpdate(func(ticker types.BookTicker) {
if s.Environment.IsBackTesting() {
return
}
bestBid := ticker.Buy
bestAsk := ticker.Sell
var midPrice fixedpoint.Value
if util.TryLock(&s.lock) {
if !bestAsk.IsZero() && !bestBid.IsZero() {
s.midPrice = bestAsk.Add(bestBid).Div(types.Two)
} else if !bestAsk.IsZero() {
s.midPrice = bestAsk
} else {
s.midPrice = bestBid
}
midPrice = s.midPrice
s.lock.Unlock()
}
if !midPrice.IsZero() {
buyOrderTPSL(midPrice)
sellOrderTPSL(midPrice)
// log.Debugf("best bid %v, best ask %v, mid %v", bestBid, bestAsk, midPrice)
}
})
getHigh := func(window types.KLineWindow) types.Series {
if s.UseHeikinAshi {
return s.heikinAshi.High
}
return window.High()
}
getLow := func(window types.KLineWindow) types.Series {
if s.UseHeikinAshi {
return s.heikinAshi.Low
}
return window.Low()
}
getClose := func(window types.KLineWindow) types.Series {
if s.UseHeikinAshi {
return s.heikinAshi.Close
}
return window.Close()
}
getOpen := func(window types.KLineWindow) types.Series {
if s.UseHeikinAshi {
return s.heikinAshi.Open
}
return window.Open()
}
store.OnKLineWindowUpdate(func(interval types.Interval, window types.KLineWindow) {
kline := window[len(window)-1]
s.KLineStartTime = kline.StartTime
s.KLineEndTime = kline.EndTime
// well, only track prices on 1m
if interval == types.Interval1m {
if s.Environment.IsBackTesting() {
buyOrderTPSL(kline.High)
sellOrderTPSL(kline.Low)
}
}
var lastPrice fixedpoint.Value
var ok bool
if s.Environment.IsBackTesting() {
lastPrice, ok = session.LastPrice(s.Symbol)
if !ok {
log.Errorf("cannot get last price")
return
}
} else {
s.lock.RLock()
if s.midPrice.IsZero() {
lastPrice, ok = session.LastPrice(s.Symbol)
if !ok {
log.Errorf("cannot get last price")
return
}
} else {
lastPrice = s.midPrice
}
s.lock.RUnlock()
}
balances := session.GetAccount().Balances()
baseBalance := balances[s.Market.BaseCurrency].Total()
quoteBalance := balances[s.Market.QuoteCurrency].Total()
atr := fixedpoint.NewFromFloat(s.atr.Last())
if !s.Environment.IsBackTesting() {
log.Infof("Get last price: %v, ewo %f, ewoSig %f, ccis: %f, atr %v, kline: %v, balance[base]: %v balance[quote]: %v",
lastPrice, s.ewo.Last(), s.ewoSignal.Last(), s.ccis.ma.Last(), atr, kline, baseBalance, quoteBalance)
}
if kline.Interval != s.Interval {
return
}
priceHighest := types.Highest(getHigh(window), 233)
priceLowest := types.Lowest(getLow(window), 233)
priceChangeRate := (priceHighest - priceLowest) / priceHighest / 14
ewoHighest := types.Highest(s.ewoHistogram, 233)
s.ewoChangeRate = math.Abs(s.ewoHistogram.Last() / ewoHighest * priceChangeRate)
longSignal := types.CrossOver(s.ewo, s.ewoSignal)
shortSignal := types.CrossUnder(s.ewo, s.ewoSignal)
base := s.ma34.Last()
sellLine := base + s.atr.Last()*3
buyLine := base - s.atr.Last()*3
clozes := getClose(window)
opens := getOpen(window)
// get trend flags
bull := clozes.Last() > opens.Last()
breakThrough := clozes.Last() > s.ma5.Last() && clozes.Last() > s.ma34.Last()
breakDown := clozes.Last() < s.ma5.Last() && clozes.Last() < s.ma34.Last()
// kline breakthrough ma5, ma34 trend up, and cci Stochastic bull
IsBull := bull && breakThrough && s.ccis.BuySignal() && s.ewoChangeRate < s.EwoChangeFilterHigh && s.ewoChangeRate > s.EwoChangeFilterLow
// kline downthrough ma5, ma34 trend down, and cci Stochastic bear
IsBear := !bull && breakDown && s.ccis.SellSignal() && s.ewoChangeRate < s.EwoChangeFilterHigh && s.ewoChangeRate > s.EwoChangeFilterLow
if !s.Environment.IsBackTesting() {
log.Infof("IsBull: %v, bull: %v, longSignal[1]: %v, shortSignal: %v, lastPrice: %v",
IsBull, bull, longSignal.Index(1), shortSignal.Last(), lastPrice)
log.Infof("IsBear: %v, bear: %v, shortSignal[1]: %v, longSignal: %v, lastPrice: %v",
IsBear, !bull, shortSignal.Index(1), longSignal.Last(), lastPrice)
}
if (longSignal.Index(1) && !shortSignal.Last() && IsBull) || lastPrice.Float64() <= buyLine {
price := lastPrice.Sub(atr.Div(types.Two))
// if total asset (including locked) could be used to buy
if quoteBalance.Div(price).Compare(s.Market.MinQuantity) >= 0 && quoteBalance.Compare(s.Market.MinNotional) >= 0 {
// cancel all orders to release lock
s.CancelAll(ctx)
// backup, since the s.sellPrice will be cleared when doing ClosePosition
sellPrice := s.sellPrice
log.Errorf("ewoChangeRate %v, emv %v", s.ewoChangeRate, s.emv.Last())
// calculate report
if closeOrder, _ := s.PlaceBuyOrder(ctx, price); closeOrder != nil {
if s.Record {
log.Error("record l")
}
if !sellPrice.IsZero() {
if lastPrice.Compare(sellPrice) > 0 {
pnlRate := lastPrice.Sub(sellPrice).Div(lastPrice).Float64()
percentAvgTPfromOrder = percentAvgTPfromOrder*float64(counterTPfromOrder) + pnlRate
counterTPfromOrder += 1
percentAvgTPfromOrder /= float64(counterTPfromOrder)
} else {
pnlRate := sellPrice.Sub(lastPrice).Div(lastPrice).Float64()
percentAvgSLfromOrder = percentAvgSLfromOrder*float64(counterSLfromOrder) + pnlRate
counterSLfromOrder += 1
percentAvgSLfromOrder /= float64(counterSLfromOrder)
}
} else {
panic("no sell price")
}
}
}
}
if (shortSignal.Index(1) && !longSignal.Last() && IsBear) || lastPrice.Float64() >= sellLine {
price := lastPrice.Add(atr.Div(types.Two))
// if total asset (including locked) could be used to sell
if baseBalance.Mul(price).Compare(s.Market.MinNotional) >= 0 && baseBalance.Compare(s.Market.MinQuantity) >= 0 {
// cancel all orders to release lock
s.CancelAll(ctx)
// backup, since the s.buyPrice will be cleared when doing ClosePosition
buyPrice := s.buyPrice
log.Errorf("ewoChangeRate: %v, emv %v", s.ewoChangeRate, s.emv.Last())
// calculate report
if closeOrder, _ := s.PlaceSellOrder(ctx, price); closeOrder != nil {
if s.Record {
log.Error("record s")
}
if !buyPrice.IsZero() {
if lastPrice.Compare(buyPrice) > 0 {
pnlRate := lastPrice.Sub(buyPrice).Div(buyPrice).Float64()
percentAvgTPfromOrder = percentAvgTPfromOrder*float64(counterTPfromOrder) + pnlRate
counterTPfromOrder += 1
percentAvgTPfromOrder /= float64(counterTPfromOrder)
} else {
pnlRate := buyPrice.Sub(lastPrice).Div(buyPrice).Float64()
percentAvgSLfromOrder = percentAvgSLfromOrder*float64(counterSLfromOrder) + pnlRate
counterSLfromOrder += 1
percentAvgSLfromOrder /= float64(counterSLfromOrder)
}
} else {
panic("no buy price")
}
}
}
}
})
bbgo.OnShutdown(ctx, func(ctx context.Context, wg *sync.WaitGroup) {
defer wg.Done()
log.Infof("canceling active orders...")
_ = s.orderExecutor.GracefulCancel(ctx)
hiblue := color.New(color.FgHiBlue).FprintfFunc()
blue := color.New(color.FgBlue).FprintfFunc()
hiyellow := color.New(color.FgHiYellow).FprintfFunc()
hiblue(os.Stderr, "---- Trade Report (Without Fee) ----\n")
hiblue(os.Stderr, "TP:\n")
blue(os.Stderr, "\tpeak / bottom with atr: %d, avg pnl rate: %f\n", counterTPfromPeak, percentAvgTPfromPeak)
blue(os.Stderr, "\tCCI Stochastic: %d, avg pnl rate: %f\n", counterTPfromCCI, percentAvgTPfromCCI)
blue(os.Stderr, "\tLongSignal/ShortSignal: %d, avg pnl rate: %f\n", counterTPfromLongShort, percentAvgTPfromLongShort)
blue(os.Stderr, "\tma34 and Atrx2: %d, avg pnl rate: %f\n", counterTPfromAtr, percentAvgTPfromAtr)
blue(os.Stderr, "\tActive Order: %d, avg pnl rate: %f\n", counterTPfromOrder, percentAvgTPfromOrder)
totalTP := counterTPfromPeak + counterTPfromCCI + counterTPfromLongShort + counterTPfromAtr + counterTPfromOrder
avgProfit := (float64(counterTPfromPeak)*percentAvgTPfromPeak +
float64(counterTPfromCCI)*percentAvgTPfromCCI +
float64(counterTPfromLongShort)*percentAvgTPfromLongShort +
float64(counterTPfromAtr)*percentAvgTPfromAtr +
float64(counterTPfromOrder)*percentAvgTPfromOrder) / float64(totalTP)
hiblue(os.Stderr, "\tSum: %d, avg pnl rate: %f\n", totalTP, avgProfit)
hiblue(os.Stderr, "SL:\n")
blue(os.Stderr, "\tentry SL: %d, avg pnl rate: -%f\n", counterSLfromSL, percentAvgSLfromSL)
blue(os.Stderr, "\tActive Order: %d, avg pnl rate: -%f\n", counterSLfromOrder, percentAvgSLfromOrder)
totalSL := counterSLfromSL + counterSLfromOrder
avgLoss := (float64(counterSLfromSL)*percentAvgSLfromSL + float64(counterSLfromOrder)*percentAvgSLfromOrder) / float64(totalSL)
hiblue(os.Stderr, "\tSum: %d, avg pnl rate: -%f\n", totalSL, avgLoss)
hiblue(os.Stderr, "WinRate: %f\n", float64(totalTP)/float64(totalTP+totalSL))
maString := "vwema"
if s.UseSma {
maString = "sma"
}
if s.UseEma {
maString = "ema"
}
hiyellow(os.Stderr, "----- EWO Settings -------\n")
hiyellow(os.Stderr, "General:\n")
hiyellow(os.Stderr, "\tuseHeikinAshi: %v\n", s.UseHeikinAshi)
hiyellow(os.Stderr, "\tstoploss: %v\n", s.StopLoss)
hiyellow(os.Stderr, "\tsymbol: %s\n", s.Symbol)
hiyellow(os.Stderr, "\tinterval: %s\n", s.Interval)
hiyellow(os.Stderr, "\tMA type: %s\n", maString)
hiyellow(os.Stderr, "\tdisableShortStop: %v\n", s.DisableShortStop)
hiyellow(os.Stderr, "\tdisableLongStop: %v\n", s.DisableLongStop)
hiyellow(os.Stderr, "\trecord: %v\n", s.Record)
hiyellow(os.Stderr, "CCI Stochastic:\n")
hiyellow(os.Stderr, "\tccistochFilterHigh: %f\n", s.FilterHigh)
hiyellow(os.Stderr, "\tccistochFilterLow: %f\n", s.FilterLow)
hiyellow(os.Stderr, "Ewo && Ewo Histogram:\n")
hiyellow(os.Stderr, "\tsigWin: %d\n", s.SignalWindow)
hiyellow(os.Stderr, "\tewoChngFilterHigh: %f\n", s.EwoChangeFilterHigh)
hiyellow(os.Stderr, "\tewoChngFilterLow: %f\n", s.EwoChangeFilterLow)
})
return nil
}