Does Selling call or Put is calculated as per Mark to Market Profit Loss, Please tell

[Ankitshah]

I want to know if I sell a call at 23 with Lot of 75 which gives me a credit of Premium 1725 and before delivery, on one day the price reaches 30 , the difference between 23-30 = 7* 75 = -525 is paid by me , however by expiry if the price reaches 2 Rs and i Square off that time. Then Ideally i should have a total profit of 1575 and MTM should credit back my loss.

Please advise if my understanding is correct.

Thanks and Regards,
Ankit.

[pmahesh84]

Future settlements are done M2M. For options, if you are a seller, margin amount is blocked initially and if you wait till expiry and square off at low price, you can keep the net of premium.