def before_starting_trading#
Use this lifecycle method to reinitialize variables for day trading like resetting the list of blacklisted shares.
class MyStrategy(Strategy):
    def before_starting_trading(self):
        self.blacklist = []
Reference#
- lumibot.strategies.strategy.Strategy.before_starting_trading(self)#
- Lifecycle method executed after the market opens and before entering the trading loop. Use this method for daily resetting variables - Return type:
- None 
 - Example - >>> # Get pricing data for the last day >>> def before_starting_trading(self): >>> self.get_historical_prices("SPY", 1, "day")