HomeAmerican Express OTC 15 sec Time Frame and 1m expiry backtesting with directional bias upside American Express OTC 18 march 2024 6H Data Adityamy public trade book -March 18, 2024 0 15 sec Time Frame and 1m expiry backtesting with directional bias upside American Express OTC 18 march 2024 6H Data Tags American Express OTC Facebook Twitter