Here’s where the story becomes interesting: the system wasn’t broken. What was failing was something far less obvious—the environment in which those trades were being executed.
This realization shifted his focus. https://hannajvwj345150.wikimeglio.com/10600247/how_one_trader_discovered_the_real_problem_case_study_same_strategy_different_broker_different_results_what_happens_when_you_upgrade_your_broker_the_real_story_of_execution_optimization_from_frustration_to_consistency_a_trader_s_transformation