GAIL (India) Limited

Oil, Gas & Consumable Fuels · Gas

NSE: GAIL BSE: 532155

₹170.55

Sept. 30, 2026 · NSE · nse_bhavcopy

F&O (Single-Stock Futures)

Single-stock futures activity for this company -- see the Options Chain section below for OI by strike, PCR, Max Pain and Greeks.

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Combined Open Interest (all active contracts, full history -- via the Parquet/DuckDB analytics lake, ADR-0183)

Basis (nearest contract vs spot) +3.14

OI Buildup (each live contract's own price change vs. change in OI, latest real trading day)

Expiry	Close	Price Chg	OI	Chg OI	Buildup
Oct. 27, 2026	172.2600	+0.61	75270650	1998650	Long Buildup
Nov. 23, 2026	173.6000	+1.18	823600	35500	Long Buildup

Date	Expiry	Open	High	Low	Close	OI	Change in OI
Sept. 30, 2026	Dec. 29, 2026	174.9000	175.1700	173.6900	173.6900	42600	42600
Sept. 30, 2026	Nov. 23, 2026	174.0000	174.9000	172.5700	173.6000	823600	35500
Sept. 30, 2026	Oct. 27, 2026	171.2000	174.1700	171.0000	172.2600	75270650	1998650
Sept. 29, 2026	Nov. 23, 2026	173.9800	174.6200	170.6000	172.4200	788100	241400
Sept. 29, 2026	Oct. 27, 2026	173.4900	174.3100	169.6600	171.6500	73272000	8218250
Sept. 29, 2026	Sept. 29, 2026	172.1800	173.9400	168.8200	170.8000	4054100	-6872800
Sept. 28, 2026	Nov. 23, 2026	174.6500	175.9300	173.1100	173.9800	546700	177500
Sept. 28, 2026	Oct. 27, 2026	173.1100	175.7000	172.2000	172.9200	65053750	13028500
Sept. 28, 2026	Sept. 29, 2026	172.3300	175.0200	171.4000	172.2200	10926900	-12925550
Sept. 25, 2026	Nov. 23, 2026	174.5000	175.4000	174.3300	174.7000	369200	31950

Options Chain

As of Sept. 30, 2026. IV and Greeks are solved from each option's own real market price via Black-Scholes, assuming a fixed 7% risk-free rate (not a live/dated rate -- no such feed exists in the source data).

Oct. 27, 2026 (nearest) Nov. 23, 2026 Dec. 29, 2026

PCR (OI) 0.0

Max Pain 140.0000

Open Interest by Strike (Max Pain: 140.0000)

Implied Volatility by Strike (solved from each real market price via Black-Scholes)

CALLS					Strike	PUTS
OI	Chg OI	LTP	IV%	Delta		Delta	IV%	LTP	Chg OI	OI
0	0	33.1900	23.74	0.970	140.0000	-0.081	32.79	1.0900	0	0
0	0	24.8900	28.54	0.864	150.0000	-0.166	32.96	2.6500	0	0
0	0	21.1700	29.43	0.801	155.0000	-0.221	33.08	3.8600	0	0
0	0	17.7700	29.96	0.732	160.0000	-0.283	33.17	5.3900	0	0
0	0	14.7300	30.35	0.659	165.0000	-0.349	33.31	7.2800	0	0
0	0	12.0600	30.64	0.583	170.0000	-0.418	33.45	9.5300	0	0
0	0	9.7500	30.86	0.508	175.0000	-0.487	33.63	12.1400	0	0
7100	7100	6.2000	26.26	0.414	180.0000	-0.553	33.86	15.1000	0	0
0	0	6.1400	31.16	0.368	185.0000	-0.615	34.17	18.3900	0	0
0	0	4.7900	31.28	0.306	190.0000	-0.671	34.53	21.9700	0	0
0	0	2.8100	31.42	0.203	200.0000	-0.764	35.42	29.8400	0	0