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	-2.09	94991750	292950	Short Buildup
Nov. 23, 2026	74.8700	-2.07	9716175	287525	Short Buildup
Dec. 29, 2026	74.5100	-2.01	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
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
Sept. 29, 2026	Oct. 27, 2026	76.3600	77.9000	75.5100	77.3900	88904900	4898775
Sept. 29, 2026	Sept. 29, 2026	78.1400	80.0000	76.9500	78.3000	14137550	-11278575
Sept. 28, 2026	Nov. 23, 2026	78.0000	78.0000	75.5600	75.7800	6824650	1464750

Options Chain

As of Oct. 5, 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) 0.656

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
					64.0000	-0.046	45.68	0.1700	16275	482825
0	0	22.6500	243.99	0.710	66.0000	-0.066	42.51	0.2400	59675	59675
0	0	20.8800	231.42	0.691	68.0000	-0.102	40.82	0.3900	21700	585900
0	0	17.6400	190.13	0.678	69.0000	-0.125	39.63	0.4800	-21700	401450
81375	0	6.7100	—		70.0000	-0.156	39.35	0.6300	92225	2289350
5425	0	8.9000	76.77	0.696	71.0000	-0.184	37.58	0.7400	146475	672700
16275	0	5.6000	34.43	0.791	72.0000	-0.230	38.09	1.0000	81375	1790250
0	0	14.1900	168.09	0.629	73.0000	-0.281	39.0	1.3400	5425	792050
0	0	15.9400	199.01	0.626	74.0000	-0.328	38.15	1.6200	0	1242325
1692600	347200	2.8400	24.15	0.668	75.0000	-0.383	39.02	2.0700	244125	6813800
846300	509950	2.3000	24.98	0.582	76.0000	-0.436	38.81	2.5000	81375	1339975
1980125	244125	1.8800	26.22	0.499	77.0000	-0.490	39.76	3.0700	-173600	1546125
3862600	716100	1.5100	27.06	0.422	78.0000	-0.542	40.26	3.6600	-54250	3043425
2419550	336350	1.2100	27.9	0.354	79.0000	-0.586	42.41	4.4200	-10850	1372525
11907875	1150100	0.9800	28.92	0.296	80.0000	-0.632	42.47	5.0700	-37975	6504575
4627525	-672700	0.7900	29.83	0.246	81.0000	-0.659	46.3	6.0200	-10850	222425
3341800	-493675	0.6400	30.75	0.204	82.0000	-0.679	50.44	7.0100	0	352625
1182650	81375	0.5200	31.67	0.170	83.0000	-0.702	52.85	7.9000	-5425	81375
1177225	141050	0.4300	32.71	0.142	84.0000	-0.734	52.74	8.6500	0	206150
7426825	-412300	0.3600	33.8	0.119	85.0000	-0.746	56.37	9.6500	-5425	1318275
688975	124775	0.3000	34.77	0.100	86.0000	-0.966	24.85	9.2000	0	5425
195300	-43400	0.2500	35.68	0.084	87.0000		—	9.4100	0	86800
1247750	-330925	0.2000	36.21	0.069	88.0000	-0.897	42.01	11.5000	0	151900
					89.0000		—	10.7500	0	16275
10643850	206150	0.1500	38.4	0.051	90.0000	-0.822	64.26	14.2000	0	916825
21700	0	0.2400	44.61	0.068	91.0000		—	10.5000	0	5425
434000	86800	0.1300	41.42	0.043	92.0000		—	14.7500	0	65100
21700	0	0.6500	62.28	0.120	93.0000
21700	0	0.5800	62.75	0.109	94.0000
1079575	5425	0.0800	43.54	0.027	95.0000	-0.843	78.34	19.2100	-16275	406875
					98.0000	-0.825	94.51	22.6000	-10850	5425
1925875	5425	0.0400	47.25	0.013	100.0000	-0.896	79.15	23.7600	-43400	1220625
770350	-10850	0.0200	54.21	0.006	108.0000	-0.935	85.79	31.4700	0	3802925