Open Interest

Answers one question — is volatility cheap or expensive right now? — with IV vs HV vs IV percentile, skew, IV surface, term structure, the vol cone and the intraday straddle price.

The whole option chain as colour: every strike's OI, OI change, volume or IV as a tile — the walls jump out instantly.

The Put-Call Ratio through the day, plotted against spot, with zone bands — so you see sentiment SHIFTING, not just one number.

Everyone shows today's max-pain number; this page shows how it MIGRATES through the day (every 3 minutes) against spot — writers re-anchoring in real time.

ATM straddle price for the whole F&O universe, ranked by implied move PER DAY — where movement is being sold cheap and where it is rich.

Price × Open Interest quadrants for every F&O future: Long Buildup, Short Buildup, Short Covering, Long Unwinding — who is building positions, and which way.

Twelve leaderboards from one sweep of every F&O future: top price gainers/losers, top OI gainers/losers, the four price × OI buildup quadrants, and "significant" versions where BOTH price and OI moved enough to matter.

How much futures OI has already moved from the current month to the next — per symbol, with the basis between the two contracts.

Futures rollover % at the close of every monthly expiry, for every F&O symbol, expiry after expiry — from NSE bhavcopy, no broker login needed.

Market-Wide Position Limit for every F&O stock: who is in ban, who is next, and — unlike a snapshot — the trajectory: change vs the previous report, a 20-report trend, the pace of approach, ETA to the 95% trigger, days in ban and how often each name gets banned.

Where the shares are actually changing hands: NSE's official daily bhavcopy (volume, ₹ turnover, trades, delivery) for every F&O stock — compared with its OWN history daily / weekly / monthly / quarterly, plus market-wide turnover, delivery, record days, market-cap buckets and a live intraday layer.

The whole F&O universe ranked by ATM implied volatility — with IV percentile against each stock's own history AND its rank across the universe today.

Index valuation from NSE — PE, PB and dividend yield for 18 indices, with a Cheap / Fair / Expensive read once enough history has been recorded.

Who is positioned where: participant-wise index-futures long/short (FII, DII, Pro, Client), daily FII/DII cash flows, an activity radar and upcoming events.

The whole F&O market at a glance — every stock as a tile, grouped by its 19 sectors, coloured by today's move.

Today's breadth in one place: advances vs declines, % of stocks above EMA20, average RSI and IV, the sentiment distribution, top gainers/losers and sector strength.

One stock, everything on one screen: native price chart, the scanner's stats for it, its ATM IV and the vol-cone verdict — with a one-click jump to the Builder.

Every date that moves option prices: weekly and monthly expiries, NSE holidays, earnings dates for F&O stocks and macro events (FOMC, RBI, etc.).