Building Materials · F&O open-interest buildup · 2026-10-22
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Longs exiting
Long Unwinding · Technical: Caution (RSI 41.6, Stage 4) · Long positions are being closed — the trend is losing strength.
How to read this. F&O positioning and the technical read are two separate lenses. Positioning (Long Buildup, Short Buildup, Short Covering, Long Unwinding) comes from how price and open interest moved together today — rising price with rising OI means fresh long positions. The technical read is StockLearn's chart verdict (Bullish, Caution, Weak). They can disagree: institutions often add longs before the chart confirms. When both agree, the signal is strongest — that's why we show them side by side rather than as one label.
Price
₹1,386.50
Price change
-0.67%
Futures OI (all expiries)
55.19 L
OI change
-0.37%
Rollover %
36.08%
Open-interest figures here are futures only (stock futures, all expiries summed). Options OI is excluded so the buildup state reflects pure directional futures positioning.
Long Unwinding. Price down + open interest down — long positions being closed (weakening).
Last 30 sessions. Axes are independently scaled, so the two lines share a time axis but not a value scale — read direction and turning points, not the gap between them.
Futures open interest by expiry
Expiry
Close
Futures OI
Chg in OI
OI %
Oct 2026
₹1,386.50
35.28 L
-17.21 L
-32.79%
Nov 2026
₹1,394.30
19.80 L
17.00 L
+606.06%
Dec 2026
₹1,393.20
10,625
425
+4.17%
All expiries (aggregate)
-
55.19 L
-20,400
-0.37%
We sum open interest across all listed futures expiries for this underlying (near, next and far month), then compute OI % = change in OI ÷ previous OI × 100, where previous OI is yesterday's open interest (today's OI minus today's change). Exchange and broker pages usually show only the near-month future, so their near-month-only OI change can differ from this aggregate — for example when positions roll into the next expiry. Rollover % is the share of total futures OI sitting beyond the near month (36.08% here). It tends to rise through the expiry week as traders carry positions forward; a high or rising rollover signals positions being rolled rather than closed.
Positioning timeline
2026-09-232026-10-22
Long BuildupLong UnwindingShort CoveringShort Buildup
Browse open-interest buildup for every NSE F&O stock, or open the full ranked, sortable Long/Short Buildup tables (paid) inside the app. See all F&O stocks →
Data as of 2026-10-22. Open interest from NSE F&O Bhavcopy (futures, all expiries aggregated); price from NSE cash market. Figures may be delayed and are for information only.
For research & education only — not investment advice. Open-interest buildup is an automated positioning signal, not a buy/sell recommendation. StockLearn is an independent product of ClusterMicro Technologies, not affiliated with or endorsed by the NSE or any exchange. Derivatives carry high risk. Consult a SEBI-registered adviser before trading.