@ShubhS9 @Meher_Smaran…
Good morning Z team.
Can someone please guide?
Thx
No, in this case margin penalty or interest won’t be applicable.
Yes, this increased margin requirement from 5 days before expiry is applicable only for long ITM stock options. For short option positions, the margin will increase only on the expiry day.
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No did not and even raised a support ticket but instead of answering a simple specific question they just give copy paste replies… In Oct also I had to leave some confirmed profits and exit some of my positions to maintain margin…
Someone please help once, query pending since long… Trying to simplify the Q as much as possible…
E.g. I have 10L cash margin, I have initiated Short HDFC 2000 CE position and used 9L margin for this trade, 1L margin is free… HDFC is at 1500 at initiation of trade…
On the day of expiry the position is running super super safe as HDFC is not going to go ITM it’s at 1600… The whole world known HDFC will not cross 2000 in this current expiry, The margin requirement jumps to 15L as per the recalculation on expiry day so now it shows minus -5L margin and so a margin call is triggered…
I take no action as I know the option will expire worthless for sure, I am ready to take that the risk, but will the Zerodha RMS team square off some part of my position to bring the available margin above 0 even though the whole world knows HDFC will not cross 2000 in this expiry with just 5-6 hours to go…
I can’t make this Q more simpler than this… Please some expert or Zerodha team pls answer this 
so that I am not forced to panic close some of my positions on expiry day mornings to manage the margin every month and miss out on confirmed profits 
No, we won’t close in the above scenario. But if HDFC shares trading at 1980, and if you have 2000 CE there is a chance of it becoming ITM hence we may square off the position.
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@Ragavendran_M sir…
Thank you for the response.
And just to clarify, as per @ShubhS9 sir’s response, because of this -5l negative margin, there shall be no margin penalty or zerodha charge of interest.
The only scenario where margin penalty, or charge of interest or square off of positions might be initiated is, if the spot starts moving towards 2000, say 1960 or 1980
Am I right please?
Thank you for your time
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Thank you so much for your clear response!! Due to some family commitments I was not able to trade in Nov & Dec expiries, but will now try this in the Jan expiry with my current open positions… Hoping that will not get any rude shocks on expiry day