Comment on STT Trap - Options Expiry - NSE BSE MCX-SX

vishal salunkhe commented on 21 Aug 2015, 12:44 PM

nifty closing price is calculated by weighted average of nifty in last half an hour 03.00 pm to 03.30 pm ( source – nse )
how to calculate nifty closing price by weighted average ??
what is exact formula to calculate weighted average of last half an hour ?? what includes in formula ? ( price ,volume or time ?? )

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