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Merge pull request #4832 from JoeSchr/patch-3

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Add to custom_sell() documentation
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Matthias 2021-05-01 17:34:10 +02:00 committed by GitHub
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docs/strategy-advanced.md
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@ -44,7 +44,14 @@ class AwesomeStrategy(IStrategy):
## Custom sell signal
It is possible to define custom sell signals. This is very useful when we need to customize sell conditions for each individual trade, or if you need the trade profit to take the sell decision.
It is possible to define custom sell signals, indicating that specified position should be sold. This is very useful when we need to customize sell conditions for each individual trade, or if you need the trade profit to take the sell decision.
For example you could implement a 1:2 risk-reward ROI with `custom_sell()`.
You should abstain from using custom_sell() signals in place of stoplosses though. It is a inferior method to using `custom_stoploss()` in this regard - which also allows you to keep the stoploss on exchange.
!!! Note
Returning a `string` or `True` from this method is equal to setting sell signal on a candle at specified time. This method is not called when sell signal is set already, or if sell signals are disabled (`use_sell_signal=False`). `string` max length is 64 characters. Exceeding this limit will cause the message to be truncated to 64 characters.
An example of how we can use different indicators depending on the current profit and also sell trades that were open longer than one day: