def METHOD_NAME(self):
    best_s_id = None
    for s_id in self.strategies:
        if self.strategies[s_id].status == StrategyStatus.SUCCEED and (
            best_s_id is None
            or self.strategies[best_s_id].dryrun_result["throughput"]
            < self.strategies[s_id].dryrun_result["throughput"]
        ):
            best_s_id = s_id
    return None if best_s_id is None else self.strategies[best_s_id].strategy