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Improve assumptions

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Matthias 2019-10-18 10:00:43 +02:00
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docs/backtesting.md
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@ -195,6 +195,7 @@ Hence, keep in mind that your performance is an integral mix of all different el
Since backtesting lacks some detailed information about what happens within a candle, it needs to take a few assumptions: Since backtesting lacks some detailed information about what happens within a candle, it needs to take a few assumptions:
- Buys happen at open-price - Buys happen at open-price
- Sell signal sells happen at open-price of the following candle
- Low happens before high for stoploss, protecting capital first. - Low happens before high for stoploss, protecting capital first.
- ROI sells are compared to high - but the ROI value is used (e.g. ROI = 2%, high=5% - so the sell will be at 2%) - ROI sells are compared to high - but the ROI value is used (e.g. ROI = 2%, high=5% - so the sell will be at 2%)
- Stoploss sells happen exactly at stoploss price, even if low was lower - Stoploss sells happen exactly at stoploss price, even if low was lower
@ -203,6 +204,9 @@ Since backtesting lacks some detailed information about what happens within a ca
- Low uses the adjusted stoploss (so sells with large high-low difference are backtested correctly) - Low uses the adjusted stoploss (so sells with large high-low difference are backtested correctly)
- Sell-reason does not explain if a trade was positive or negative, just what triggered the sell (this can look odd if negative ROI values are used) - Sell-reason does not explain if a trade was positive or negative, just what triggered the sell (this can look odd if negative ROI values are used)
Taking these assumptions, backtesting tries to mirror real trading as closely as possible. However, backtesting will **never** replace running a strategy in dry-run mode.
Also, keep in mind that past results don't guarantee future success.
### Further backtest-result analysis ### Further backtest-result analysis
To further analyze your backtest results, you can [export the trades](#exporting-trades-to-file). To further analyze your backtest results, you can [export the trades](#exporting-trades-to-file).