Can I place part Rollover with Spread order against the open position quantity?
Yes, you can place part Rollover with Spread order against the open position quantity in multiple of the lot size. For example: If you have buy position of 225 quantity in Nifty Futures September contract and lot size is 75, then you can place Rollover with spread orders for 75 or 150 or 225 quantity as per your choice.