At first, it felt like a discipline issue. He questioned his patience, his timing, even his ability to follow rules. Confidence slowly eroded. But the deeper he looked, the less the explanation made sense.
This https://jonasszlu606163.robhasawiki.com/12148634/how_one_trader_discovered_the_real_problem_case_study_same_strategy_different_broker_different_results_what_happens_when_you_upgrade_your_broker_the_proof_of_execution_optimization_from_frustration_to_consistency_what_actually_changed
