add max_buy_position_adjustment as attribute

freqtrade/resolvers/strategy_resolver.py

@@ -97,7 +97,8 @@ class StrategyResolver(IResolver):
                       ("sell_profit_offset",              0.0),
                       ("disable_dataframe_checks",        False),
                       ("ignore_buying_expired_candle_after",  0),
-                      ("position_adjustment_enable",      False)
+                      ("position_adjustment_enable",      False),
+                      ("max_buy_position_adjustment",      1)
                       ]
         for attribute, default in attributes:
             StrategyResolver._override_attribute_helper(strategy, config,

freqtrade/strategy/interface.py

@@ -108,6 +108,7 @@ class IStrategy(ABC, HyperStrategyMixin):
 
     # Position adjustment is disabled by default
     position_adjustment_enable: bool = False
+    max_buy_position_adjustment: int = 1
 
     # Number of seconds after which the candle will no longer result in a buy on expired candles
     ignore_buying_expired_candle_after: int = 0