21-10-2025 EOD Analysis | NF, BNF EOD Analysis | Futures Options OI Analysis | FII DII Postion | Index EOD Update

21-10-2025 EOD Update

Let's do EOD Analysis for Nifty & Bank Nifty based on Open Interest, FII & DII Positions.

Index EOD Futures & Options

FUT COI Update:

• NF index moved up by 0.6%, but OI increased by 5%.
• Long Buildup in Nifty after SC upmove shows positive sentiment.
• BNF index moved up by 0.6%, but OI increased by 6.77%.
• Both Nifty & Bank nifty moved higher by LB after a consolidation BO.

FII DII OI Update:

• Futures
• FII increased long (868), also increased short (569), Net: Bearish.
• Pro increased long (3370), also decreased short (-827), Net: Bullish.
• Client decreased long (-2706), also increased short (247), Net Bullish.
• DII decreased long (-256), also increased short (1287), Net Bullish.
• Options
• FII: Increased call short, also Increased put short, Net: Bearish.
• PRO: Increased call long, Increased put long, Net: Bearish.
• Client: Increased call short, Increased put short, Net: Bullish.
• DII: No Change in call long, No Change in put long, Net: Bearish.

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NF WLY OI VAL Update:

• Support & Resistane moved higher indicating bullishness.
• Heavy Call OI at higher level, make or break situation.

NF Option Chain:

• OTM & nearby ITM CE OI was increased, shows resistance above.
• OTM CE OI increased with highest in 25900 & 26400.
• ITM PE OI has increased with highest in 26500.
• PCR is 0.80 which is neutral to mild bullish.

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Acronym

EOD: End Of  Day.
COI: Cumulative Open Interest.

OI: Open Interest.

OC: Option Chain.

OI VAL: Open Interest EOD Value

Net: Net Position by respective participant. (Overall position)

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