We are here to help you! Search Home Stock sip Q. When are my Stock SIP orders going to be filled? Order types Order Placing Order status Order rejection Square off × Order types Order Placing Order status Order rejection Square off Open FREE Acccount with us 3+2=? Δ Q. When are my Stock SIP orders going to be filled? Your Stock SIP orders will be processed on a best-effort basis between 11:00 a.m. and 1:00 p.m. on the SIP day.