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110 lines
4.2 KiB
Markdown
110 lines
4.2 KiB
Markdown
# Backtesting
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This page explains how to validate your strategy performance by using
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Backtesting.
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## Table of Contents
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- [Test your strategy with Backtesting](#test-your-strategy-with-backtesting)
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- [Understand the backtesting result](#understand-the-backtesting-result)
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## Test your strategy with Backtesting
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Now you have good Buy and Sell strategies, you want to test it against
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real data. This is what we call
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[backtesting](https://en.wikipedia.org/wiki/Backtesting).
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Backtesting will use the crypto-currencies (pair) from your config file
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and load static tickers located in
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[/freqtrade/tests/testdata](https://github.com/gcarq/freqtrade/tree/develop/freqtrade/tests/testdata).
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If the 5 min and 1 min ticker for the crypto-currencies to test is not
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already in the `testdata` folder, backtesting will download them
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automatically. Testdata files will not be updated until you specify it.
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The result of backtesting will confirm you if your bot as more chance to
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make a profit than a loss.
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The backtesting is very easy with freqtrade.
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### Run a backtesting against the currencies listed in your config file
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**With 5 min tickers (Per default)**
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```bash
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python3 ./freqtrade/main.py backtesting --realistic-simulation
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```
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**With 1 min tickers**
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```bash
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python3 ./freqtrade/main.py backtesting --realistic-simulation --ticker-interval 1
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```
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**Reload your testdata files**
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```bash
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python3 ./freqtrade/main.py backtesting --realistic-simulation --refresh-pairs-cached
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```
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**With live data (do not alter your testdata files)**
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```bash
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python3 ./freqtrade/main.py backtesting --realistic-simulation --live
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```
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**Using a different on-disk ticker-data source**
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```bash
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python3 ./freqtrade/main.py backtesting --datadir freqtrade/tests/testdata-20180101
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```
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For help about backtesting usage, please refer to
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[Backtesting commands](#backtesting-commands).
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## Understand the backtesting result
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The most important in the backtesting is to understand the result.
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A backtesting result will look like that:
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```
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====================== BACKTESTING REPORT ================================
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pair buy count avg profit % total profit BTC avg duration
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-------- ----------- -------------- ------------------ --------------
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BTC_ETH 56 -0.67 -0.00075455 62.3
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BTC_LTC 38 -0.48 -0.00036315 57.9
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BTC_ETC 42 -1.15 -0.00096469 67.0
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BTC_DASH 72 -0.62 -0.00089368 39.9
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BTC_ZEC 45 -0.46 -0.00041387 63.2
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BTC_XLM 24 -0.88 -0.00041846 47.7
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BTC_NXT 24 0.68 0.00031833 40.2
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BTC_POWR 35 0.98 0.00064887 45.3
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BTC_ADA 43 -0.39 -0.00032292 55.0
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BTC_XMR 40 -0.40 -0.00032181 47.4
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TOTAL 419 -0.41 -0.00348593 52.9
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```
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The last line will give you the overall performance of your strategy,
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here:
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```
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TOTAL 419 -0.41 -0.00348593 52.9
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```
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We understand the bot has made `419` trades for an average duration of
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`52.9` min, with a performance of `-0.41%` (loss), that means it has
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lost a total of `-0.00348593 BTC`.
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As you will see your strategy performance will be influenced by your buy
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strategy, your sell strategy, and also by the `minimal_roi` and
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`stop_loss` you have set.
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As for an example if your minimal_roi is only `"0": 0.01`. You cannot
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expect the bot to make more profit than 1% (because it will sell every
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time a trade will reach 1%).
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```json
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"minimal_roi": {
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"0": 0.01
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},
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```
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On the other hand, if you set a too high `minimal_roi` like `"0": 0.55`
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(55%), there is a lot of chance that the bot will never reach this
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profit. Hence, keep in mind that your performance is a mix of your
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strategies, your configuration, and the crypto-currency you have set up.
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## Next step
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Great, your strategy is profitable. What if the bot can give your the
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optimal parameters to use for your strategy?
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Your next step is to learn [how to find optimal parameters with Hyperopt](https://github.com/gcarq/freqtrade/blob/develop/docs/hyperopt.md)
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