Nifty Change in Open Interest - Live Buildup

Change in OI Snapshot

Market data refreshed: 10 Jul, 2026, 04:08 PM IST

Nifty is above Max Pain (24,200) — watch where fresh call and put OI builds from here.

Rising call OI marks fresh resistance; rising put OI marks fresh support. Watch for unwinding to confirm the move.

Expiry

Strikes

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Spot Price

Expiry Date

Strikes Limit

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India Vix:
12.25 (-1.11)
Max Pain:
24200
Lot Size:
65

9:10 AM

Why change in OI beats total OI intraday

Total OI includes weeks of stale positioning. Change in OI strips that away and shows only today's activity: which strikes traders are committing fresh money to, and which they're abandoning. When a support level breaks or holds, the earliest footprint is here — writers reinforcing a strike add OI at it; writers capitulating shed it.

The four buildup states

Reading change in OI properly means pairing it with price:

Price up + OI up — long buildup. Fresh money backing the rise.
Price down + OI up — short buildup. Fresh money betting on the fall.
Price down + OI down — long unwinding. Old longs exiting; a decline without fresh conviction.
Price up + OI down — short covering. Shorts exiting; rallies on covering fade unless fresh longs replace them.

The table above classifies each strike this way in real time. The distinction matters most on breakouts: a move backed by buildup has participants committed behind it; a move on unwinding is positioning cleanup that often retraces.

Session rhythm

The first 30 minutes mix overnight adjustments with fresh views — treat early change-in-OI readings cautiously. Mid-session buildup is the cleanest read. In the final hour, expiry-adjacent strikes churn as intraday writers square off; distinguish that mechanical unwinding from genuine capitulation by checking whether the opposite side is building.

Cross-check what you see here against the standing structure on the OI levels page — fresh buildup into the highest-OI strikes reinforces the range; buildup beyond them signals the range is moving. Strike-level premiums and IV for the same strikes are on the option chain.

Related tools: Nifty OI live · Nifty option chain · Nifty PCR · Strategy builder

FAQs

Change since when — yesterday or market open?

Since the previous session's close, updated live through today. The comparison basis is shown above the table.

What is long buildup vs short buildup?

Long buildup: price rising with OI rising — fresh bullish positions. Short buildup: price falling with OI rising — fresh bearish positions. Both mean new money entering; the price direction tells you which side.

A strike lost 40% of its OI in an hour. What happened?

Unwinding — writers or holders closed positions en masse. If spot was approaching that strike, it usually means defenders gave up, and price often accelerates through the level.

Is negative change in OI bearish?

Not by itself. Falling OI means positions closing, on either side. Pair it with price: falling OI on a rally is short covering; on a decline it's long unwinding. Neither carries fresh conviction.

Why is early-morning change in OI misleading?

The first half hour mixes overnight hedging, expiry rollovers and mark-to-market adjustments with genuine new positioning. Most professionals wait for the 10:00–10:30 picture before trusting buildup signals.

Where do I see total OI instead of the change?

On the Nifty OI live page, which maps standing positioning and the support and resistance it implies. This page deliberately shows only the delta.

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