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== 0: # Buy return 1.0 if next_close > current_close else -1.0 elif action == 1: # Sell return 1.0 if next_close < current_close else -1.0 else: # Hold return 1.0 if next_close > current_close else -1.0 if next_close < current_close else 0.0 def calculate_profit_loss(initial_balance,