Indian Railway Finance Corporation Limited

Financial Services · Finance

NSE: IRFC BSE: 543257

₹76.50

Oct. 5, 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) -1.99

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	75.8300	-0.15	94991750	292950	Short Buildup
Nov. 23, 2026	74.8700	+0.07	9716175	287525	Long Buildup
Dec. 29, 2026	74.5100	-0.23	1394225	141050	Short Buildup

Date	Expiry	Open	High	Low	Close	OI	Change in OI
Oct. 5, 2026	Dec. 29, 2026	75.0000	75.0000	74.0000	74.5100	1394225	141050
Oct. 5, 2026	Nov. 23, 2026	75.4200	75.4300	74.3000	74.8700	9716175	287525
Oct. 5, 2026	Oct. 27, 2026	76.6800	76.6800	75.3000	75.8300	94991750	292950
Oct. 1, 2026	Dec. 29, 2026	76.4400	76.4400	73.2000	74.7400	1253175	688975
Oct. 1, 2026	Nov. 23, 2026	76.9000	76.9400	73.6100	74.8000	9428650	531650
Oct. 1, 2026	Oct. 27, 2026	77.5000	77.7800	74.6300	75.9800	94698800	2077775
Sept. 30, 2026	Dec. 29, 2026	77.1000	78.0800	76.0100	76.5200	564200	564200
Sept. 30, 2026	Nov. 23, 2026	77.5000	78.6300	76.6800	76.9400	8897000	1215200
Sept. 30, 2026	Oct. 27, 2026	77.8900	79.6700	77.3800	77.9200	92621025	3716125
Sept. 29, 2026	Nov. 23, 2026	75.8600	77.2700	74.8200	76.9800	7681800	857150

Options Chain

As of Oct. 1, 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) 0.367

Max Pain 80.0000

Open Interest by Strike (Max Pain: 80.0000)

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	19.1900	130.72	0.694	68.0000	-0.171	38.22	1.0900	97650	97650
0	0	17.4900	123.81	0.672	70.0000	-0.221	37.12	1.4700	75950	287525
0	0	10.9800	67.11	0.677	71.0000	-0.210	29.71	1.0900	0	0
0	0	15.8600	117.47	0.649	72.0000	-0.262	32.36	1.6000	48825	65100
0	0	9.4600	63.33	0.639	73.0000	-0.282	28.65	1.5500	0	0
0	0	14.3100	111.72	0.624	74.0000	-0.320	27.42	1.7600	0	0
0	0	8.0500	60.02	0.597	75.0000	-0.367	27.34	2.1300	0	0
0	0	12.8500	106.56	0.596	76.0000	-0.420	30.17	2.8800	0	5425
0	0	6.7800	57.31	0.550	77.0000	-0.466	25.66	2.8400	0	0
0	0	11.4700	101.82	0.568	78.0000	-0.489	44.02	5.5000	5425	5425
0	0	5.6400	55.0	0.500	79.0000	-0.580	23.36	3.6800	0	0
743225	482825	1.6300	23.42	0.366	80.0000	-0.538	48.27	7.1500	173600	211575
0	0	4.6400	53.09	0.448	81.0000	-0.719	20.0	4.6600	0	0
75950	0	2.3300	35.62	0.356	82.0000		—	4.3300	0	0
0	0	3.7800	51.55	0.395	83.0000	-0.926	12.71	5.7800	0	0
59675	21700	0.9300	26.56	0.220	84.0000		—	5.2100	0	0
0	0	3.0400	50.2	0.344	85.0000		—	7.0200	0	0
27125	0	1.1200	33.06	0.216	86.0000		—	6.1900	0	0
0	0	2.4200	49.09	0.295	87.0000		—	8.3800	0	0
146475	0	1.0000	35.62	0.187	88.0000		—	7.2700	0	0
754075	390600	0.4800	31.48	0.113	90.0000		—	8.4300	0	0
5425	0	1.0000	42.93	0.163	92.0000		—	9.6000	0	5425
48825	21700	0.4300	44.92	0.078	100.0000		—	18.3000	0	5425