Main trading session includes intraday and after-hours settlement periods
10:00 a.m. to 02:00 p.m. — intraday settlement period
02:00 p.m. to 02:05 p.m. — intraday clearing session
02:05 p.m. to 06:50 p.m. — evening settlement period
06:50 p.m. to 07:05 p.m. — evening clearing session
Gain/loss on the trade is calculated in the interim intraday clearing on the next trading day.