Nifty Put/Call Ratio (OI) decreased from 1.05 to 0.91.

Derivatives update Good morning! Greetings from Motilal Oswal. Derivatives update for Wednesday, 15th Oct 2025. Nifty Put/Call Ratio (OI) decreased from 1.05 to 0.91. On option front, Maximum Call OI is at 25200 then 25500 strike while Maximum Put OI is at 25200 then 25000 strike. Call writing is seen at 25200 then 25300 strike while Put writing is seen at 25200 then 25100 strike. Option data suggests a broader trading range in between 24700 to 25700 zones while an immediate range between 24900 to 25400 levels. For Monthly Bank Nifty, Maximum Put OI is at 57000 then 56000 strike and maximum Call OI is placed at 57000 then 56500 strike. We have seen Call writing at 55500 strike while Put writing is witnessed at 55000 strike. Bank Nifty (CMP 56496) Data setup for Bank Nifty suggests a trading range in between 56000 to 57000. FIIs Cash & Derivative Activity: - Short built up in index futures, position unwinding in index options and short built up in stock futures - In the cash market, Flls were net sellers to the tune of 1059 crores while DII’s were net buyers worth 3024 crores⁠. The FIIs Index Long-Short is hovering near 7%. Derivatives data and price set up suggests, Nifty has to hold above 25050 zones for an up move towards 25350 then 25450 zones while supports can be seen at 25050 then 24900 zones. Bank Nifty has to hold above 56250 zones for an up move towards 56750 then 57000 zones while on the downside support is seen at 56250 then 56000 levels. Thank you. Have a great trading day !!