Hey
How much time will you give us before your system automatically squares off our positions ?
We want to be in a state where square-offs are instant if margins are negative. We will continue to give enough time for mark-to-market losses, but the plan is to not give for margin increase as the customer is willingly allowing the account to go negative balance. The second solution is to not allow exiting long positions that can increase margins and push the account into a debit balance. The second solution is tougher and will take some time to implement, but definitely a better solution both for the customer and us.
@nithin 2 of my family zerodha account reported a peak margin shortfall between 2.15 to 2.45 pm although we havent taken any trades in this interval.
I am assuming it might be because of span margin update by the exchanges & you
currently both those accounts are having sufficient margins.
How will you handle this issue ??
Hey @viswaram
If a customer explicitly takes an F&O trade that causes their account to go into a debit resulting in a negative margin balance intraday or overnight, for example, exiting a hedged position, then the brokerage charges for orders placed during the duration where the account had negative margins, will be Rs 40 instead of Rs 20. This does not change anything for the vast majority of the customers.
If you did not take any trade (in most cases, exiting a margin benefiting leg of hedged position) which caused the margins to spike, then, the brokerage would be 20 rs/ order.
In any case, there won’t be peak margin penalty for clients.
We are still working on having a scenario where its ideal for both broker and client. will keep you updated in case of any change 
do you want me to DM you the client ids ?
The peak margin was result of the SPAN file update you have done after 2pm
I have not taken any trade during the window 2.15 to 2.45, thats why i shared the screenshots
In case of cash shortfall (50% cash requirement) in FNO segment margin, can we add cash into demat account on Saturday to avoid interest cost???
Yes. You can add funds into your Trading and demat account on saturday to save and avoid any interest cost (in case of shortfall)
I have understood the F&O part
Please help with the Equity Part.
In Delivery trade I have sold XYZ share 1000 Qty @ Rs 100 = Sell value is Rs 1Lakh
I have received an 80% Margin of 80K & 20K blocked
From the 80000 value I Bought the same stock from position 800 Qty, Then in my position only 200 Qty left for the Delivery Sell transaction.
Again I bought 100 Qty & 100 Qty
Finally, I have bought the entire 1000 Qty from the positions.
My question is should I have to maintain the 20% margin to avoid the penalty?
Because my opening balance was Rs 0
Should I need to maintain the 20 % upfront margin for my trade?
If you have sold deliveries worth 1 lac, you can buyback the same worth 80k (assuming your balance is 0)
if you want to buyback 100% of what u sold, you would require additional 20% balance for the remaining 20% qty as 20% is blocked by exchanges as delivery margin.
The case of penalties may arise, if we sell our holdings, do intraday trading and buy back the shares, that’s when there is a risk of having margin shortfall.
Source : What are margins and how can margin shortfall occur?
To answer your question :
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If you want to buy back 100% of delivery sold (without other intraday trades) - you need to have 20% more balance. that should be sufficient.
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If you do other intraday trades, you should have additional amount worth those intraday trades to avoid any shortfall.
Most of this problems should get solved when cash settlement for fno obligation should get this sorted or have a account with broker who give immediate delivery of money in bank account or can buy fully