Comment on Zerodha F&O margin Calculator

srinivasan gopalan commented on 06 Mar 2018, 04:11 PM

I shorted the DHFL mar2018 560 call @20.50, 1 lot on 16/2/2018.
Ever since the scrip has been going south thereby putting me in the profit zone and at close today (6/3/2018) the call I sold is quoted @8.85.
But what I do not understand is the exposure margin asked for by the Exchange goes on increasing every day even though my position is in profit.
Earlier, I used to pay extra margin only if my position is in a loss.
Request you to enlighten me as to how this exposure margin is arrived at.

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