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feature: add pnl / cummulative pnl graph, add continuous graph

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This commit is contained in:
zenix 2022-07-15 19:59:37 +09:00
parent 62aac8ecc4
commit ac5c7f5773
3 changed files with 157 additions and 9 deletions
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5
config/drift.yaml
View File

@ -20,6 +20,11 @@ exchangeStrategies:
predictOffset: 14
noStopPrice: true
noTrailingStopLoss: false
generateGraph: true
graphPNLDeductFee: false
graphPNLPath: "./pnl.png"
graphCumPNLPath: "./cumpnl.png"
#exits:
#- roiStopLoss:
# percentage: 0.8%

131
pkg/strategy/drift/strategy.go
View File

@ -60,6 +60,14 @@ type Strategy struct {
NoStopPrice bool `json:"noStopPrice"`
NoTrailingStopLoss bool `json:"noTrailingStopLoss"`
// This is not related to trade but for statistics graph generation
// Will deduct fee in percentage from every trade
GraphPNLDeductFee bool `json:"graphPNLDeductFee"`
GraphPNLPath string `json:"graphPNLPath"`
GraphCumPNLPath string `json:"graphCumPNLPath"`
// Whether to generate graph when shutdown
GenerateGraph bool `json:"generateGraph"`
StopOrders map[uint64]types.SubmitOrder
ExitMethods bbgo.ExitMethodSet `json:"exits"`
@ -116,6 +124,7 @@ func (s *Strategy) ClosePosition(ctx context.Context) (*types.Order, bool) {
if order == nil {
return nil, false
}
order.Tag = "close"
order.TimeInForce = ""
balances := s.Session.GetAccount().Balances()
baseBalance := balances[s.Market.BaseCurrency].Available
@ -305,7 +314,7 @@ func (s *Strategy) InitTickerFunctions(ctx context.Context) {
}
func (s *Strategy) Draw(time types.Time, priceLine types.SeriesExtend) {
func (s *Strategy) Draw(time types.Time, priceLine types.SeriesExtend, profit types.Series, cumProfit types.Series) {
canvas := types.NewCanvas(s.InstanceID(), s.Interval)
Length := priceLine.Length()
if Length > 100 {
@ -319,7 +328,7 @@ func (s *Strategy) Draw(time types.Time, priceLine types.SeriesExtend) {
canvas.Plot("drift", s.drift, time, Length)
canvas.Plot("zero", types.NumberSeries(0), time, Length)
canvas.Plot("price", priceLine.Minus(mean).Mul(ratio), time, Length)
canvas.Plot("driftMean", types.NumberSeries(meanDrift), time, Length)
canvas.Plot("0", types.NumberSeries(meanDrift), time, Length)
f, err := os.Create(s.CanvasPath)
if err != nil {
log.WithError(err).Errorf("cannot create on %s", s.CanvasPath)
@ -329,6 +338,36 @@ func (s *Strategy) Draw(time types.Time, priceLine types.SeriesExtend) {
if err := canvas.Render(chart.PNG, f); err != nil {
log.WithError(err).Errorf("cannot render in drift")
}
canvas = types.NewCanvas(s.InstanceID())
if s.GraphPNLDeductFee {
canvas.PlotRaw("pnl % (with Fee Deducted)", profit, profit.Length())
} else {
canvas.PlotRaw("pnl %", profit, profit.Length())
}
f, err = os.Create(s.GraphPNLPath)
if err != nil {
panic("open pnl")
}
defer f.Close()
if err := canvas.Render(chart.PNG, f); err != nil {
panic("render pnl")
}
canvas = types.NewCanvas(s.InstanceID())
if s.GraphPNLDeductFee {
canvas.PlotRaw("cummulative pnl % (with Fee Deducted)", cumProfit, cumProfit.Length())
} else {
canvas.PlotRaw("cummulative pnl %", cumProfit, cumProfit.Length())
}
f, err = os.Create(s.GraphCumPNLPath)
if err != nil {
panic("open cumpnl")
}
defer f.Close()
if err := canvas.Render(chart.PNG, f); err != nil {
panic("render cumpnl")
}
}
func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, session *bbgo.ExchangeSession) error {
@ -371,6 +410,86 @@ func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, se
for _, method := range s.ExitMethods {
method.Bind(session, s.GeneralOrderExecutor)
}
buyPrice := fixedpoint.Zero
sellPrice := fixedpoint.Zero
profit := types.Float64Slice{}
cumProfit := types.Float64Slice{1.}
orderTagHistory := make(map[uint64]string)
if s.GenerateGraph {
s.Session.UserDataStream.OnOrderUpdate(func(order types.Order) {
orderTagHistory[order.OrderID] = order.Tag
})
modify := func(p fixedpoint.Value) fixedpoint.Value {
return p
}
if s.GraphPNLDeductFee {
fee := fixedpoint.NewFromFloat(0.0004) // taker fee % * 2, for upper bound
modify = func(p fixedpoint.Value) fixedpoint.Value {
return p.Mul(fixedpoint.One.Sub(fee))
}
}
s.Session.UserDataStream.OnTradeUpdate(func(trade types.Trade) {
tag, ok := orderTagHistory[trade.OrderID]
if !ok {
panic(fmt.Sprintf("cannot find order: %v", trade))
}
if tag == "close" {
if !buyPrice.IsZero() {
profit.Update(modify(trade.Price.Div(buyPrice)).Float64())
cumProfit.Update(cumProfit.Last() * profit.Last())
buyPrice = fixedpoint.Zero
if !sellPrice.IsZero() {
panic("sellprice shouldn't be zero")
}
} else if !sellPrice.IsZero() {
profit.Update(modify(sellPrice.Div(trade.Price)).Float64())
cumProfit.Update(cumProfit.Last() * profit.Last())
sellPrice = fixedpoint.Zero
if !buyPrice.IsZero() {
panic("buyprice shouldn't be zero")
}
} else {
panic("no price available")
}
} else if tag == "short" {
if buyPrice.IsZero() {
if !sellPrice.IsZero() {
panic("sellPrice not zero")
}
sellPrice = trade.Price
} else {
profit.Update(modify(trade.Price.Div(buyPrice)).Float64())
cumProfit.Update(cumProfit.Last() * profit.Last())
buyPrice = fixedpoint.Zero
sellPrice = trade.Price
}
} else if tag == "long" {
if sellPrice.IsZero() {
if !buyPrice.IsZero() {
panic("buyPrice not zero")
}
buyPrice = trade.Price
} else {
profit.Update(modify(sellPrice.Div(trade.Price)).Float64())
cumProfit.Update(cumProfit.Last() * profit.Last())
sellPrice = fixedpoint.Zero
buyPrice = trade.Price
}
} else if tag == "sl" {
if !buyPrice.IsZero() {
profit.Update(modify(trade.Price.Div(buyPrice)).Float64())
cumProfit.Update(cumProfit.Last() * profit.Last())
buyPrice = fixedpoint.Zero
} else if !sellPrice.IsZero() {
profit.Update(modify(sellPrice.Div(trade.Price)).Float64())
cumProfit.Update(cumProfit.Last() * profit.Last())
sellPrice = fixedpoint.Zero
} else {
panic("no position to sl")
}
}
})
}
s.BindStopLoss(ctx)
@ -484,6 +603,7 @@ func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, se
StopPrice: stopPrice,
Price: stopPrice,
Quantity: quantity,
Tag: "sl",
}
createdOrders, err := s.GeneralOrderExecutor.SubmitOrders(ctx, types.SubmitOrder{
Symbol: s.Symbol,
@ -491,6 +611,7 @@ func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, se
Type: types.OrderTypeLimit,
Price: source,
Quantity: quantity,
Tag: "short",
})
if err != nil {
log.WithError(err).Errorf("cannot place sell order")
@ -534,6 +655,7 @@ func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, se
StopPrice: stopPrice,
Price: stopPrice,
Quantity: quantity,
Tag: "sl",
}
createdOrders, err := s.GeneralOrderExecutor.SubmitOrders(ctx, types.SubmitOrder{
Symbol: s.Symbol,
@ -541,6 +663,7 @@ func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, se
Type: types.OrderTypeLimit,
Price: source,
Quantity: quantity,
Tag: "long",
})
if err != nil {
log.WithError(err).Errorf("cannot place buy order")
@ -563,7 +686,9 @@ func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, se
defer fmt.Fprintln(os.Stdout, s.TradeStats.String())
s.Draw(dynamicKLine.StartTime, priceLine)
if s.GenerateGraph {
s.Draw(dynamicKLine.StartTime, priceLine, &profit, &cumProfit)
}
wg.Done()
})

30
pkg/types/indicator.go
View File

@ -1162,14 +1162,20 @@ type Canvas struct {
Interval Interval
}
func NewCanvas(title string, interval Interval) *Canvas {
func NewCanvas(title string, intervals ...Interval) *Canvas {
valueFormatter := chart.TimeValueFormatter
if interval.Minutes() > 24*60 {
valueFormatter = chart.TimeDateValueFormatter
} else if interval.Minutes() > 60 {
valueFormatter = chart.TimeHourValueFormatter
interval := Interval1m
if len(intervals) > 0 {
interval = intervals[0]
if interval.Minutes() > 24*60 {
valueFormatter = chart.TimeDateValueFormatter
} else if interval.Minutes() > 60 {
valueFormatter = chart.TimeHourValueFormatter
} else {
valueFormatter = chart.TimeMinuteValueFormatter
}
} else {
valueFormatter = chart.TimeMinuteValueFormatter
valueFormatter = chart.IntValueFormatter
}
out := &Canvas{
Chart: chart.Chart{
@ -1200,4 +1206,16 @@ func (canvas *Canvas) Plot(tag string, a Series, endTime Time, length int) {
})
}
func (canvas *Canvas) PlotRaw(tag string, a Series, length int) {
var x []float64
for i := 0; i < length; i++ {
x = append(x, float64(i))
}
canvas.Series = append(canvas.Series, chart.ContinuousSeries{
Name: tag,
XValues: x,
YValues: Reverse(a, length),
})
}
// TODO: ta.linreg