SRF Limited

Chemicals · Chemicals & Petrochemicals

NSE: SRF BSE: 503806

₹2460.00

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) +47.00

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	2458.9000	-24.10	4058800	-4600	Long Unwinding
Nov. 23, 2026	2467.1000	-25.10	62000	-2400	Long Unwinding
Dec. 29, 2026	2507.0000	-23.00	2000	200	Short Buildup

Date	Expiry	Open	High	Low	Close	OI	Change in OI
Oct. 5, 2026	Dec. 29, 2026	2507.0000	2507.0000	2507.0000	2507.0000	2000	200
Oct. 5, 2026	Nov. 23, 2026	2491.9000	2508.0000	2461.3000	2467.1000	62000	-2400
Oct. 5, 2026	Oct. 27, 2026	2480.4000	2501.0000	2447.9000	2458.9000	4058800	-4600
Sept. 30, 2026	Dec. 29, 2026	2530.0000	2530.0000	2530.0000	2530.0000	1000	1000
Sept. 30, 2026	Nov. 23, 2026	2488.0000	2522.6000	2478.3000	2492.2000	62000	200
Sept. 30, 2026	Oct. 27, 2026	2455.0000	2513.4000	2455.0000	2483.0000	4105000	14000
Sept. 29, 2026	Nov. 23, 2026	2508.4000	2521.0000	2442.9000	2463.8000	61800	28400
Sept. 29, 2026	Oct. 27, 2026	2509.1000	2509.1000	2428.0000	2448.9000	4091000	550000
Sept. 29, 2026	Sept. 29, 2026	2498.8000	2498.8000	2418.1000	2434.2000	466000	-583200
Sept. 28, 2026	Nov. 23, 2026	2535.0000	2544.4000	2518.0000	2527.5000	33400	7000

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) 1.13

Max Pain 2500.0000

Open Interest by Strike (Max Pain: 2500.0000)

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
					2080.0000	-0.029	37.9	2.6500	-3200	600
0	0	352.3500	—		2100.0000	-0.033	36.94	3.0000	0	11800
0	0	317.4500	—		2120.0000	-0.033	34.59	2.7500	0	200
0	0	281.7500	—		2160.0000	-0.093	43.13	11.8500	0	0
0	0	501.2500	154.9	0.690	2200.0000	-0.067	32.45	6.0000	2200	8000
0	0	215.1500	—		2240.0000	-0.168	43.87	24.9000	0	0
					2250.0000	-0.112	32.38	11.0000	0	1800
0	0	199.7000	—		2260.0000	-0.190	44.09	29.4000	0	0
0	0	184.9500	—		2280.0000	-0.140	31.37	14.0000	200	1200
200	0	230.0000	54.92	0.725	2300.0000	-0.155	29.72	15.0000	16000	50600
0	0	156.9500	21.48	0.888	2320.0000	-0.266	44.82	46.3500	0	0
0	0	143.9500	24.29	0.826	2340.0000	-0.293	45.11	53.2500	0	0
					2350.0000	-0.235	29.72	25.6500	0	3200
0	0	131.6500	26.21	0.771	2360.0000	-0.321	45.43	60.8500	0	0
0	0	120.0000	27.64	0.720	2380.0000	-0.349	45.78	69.1000	0	0
17400	200	96.0000	22.67	0.708	2400.0000	-0.326	28.19	37.6500	1600	69200
0	0	98.7500	29.71	0.625	2420.0000	-0.345	22.64	32.5500	1400	1400
200	200	89.0500	30.46	0.580	2440.0000	-0.434	46.98	97.9500	0	0
44800	2800	69.9500	24.69	0.566	2450.0000	-0.439	28.63	59.0000	-9600	57400
0	0	80.2000	31.16	0.537	2460.0000	-0.462	28.25	62.8500	600	600
10000	4000	56.1500	25.19	0.487	2480.0000	-0.509	27.83	72.0500	11000	12800
204600	-31000	45.6500	24.44	0.433	2500.0000	-0.566	24.62	75.5500	-4800	177400
400	200	48.0000	28.75	0.403	2520.0000	-0.542	49.11	145.7500	0	0
1600	1600	34.3500	25.8	0.342	2540.0000	-0.566	49.73	159.2000	0	0
61800	600	28.1000	24.32	0.308	2550.0000	-0.682	25.55	110.0000	0	39800
0	0	44.9500	33.42	0.347	2560.0000	-0.589	50.4	173.2500	0	0
400	400	24.0000	26.15	0.260	2580.0000	-0.611	51.19	188.0000	0	0
116600	-3800	18.3500	25.45	0.216	2600.0000	-0.857	19.12	137.3500	0	103600
0	0	30.6000	34.32	0.256	2620.0000	-0.651	52.76	218.6000	0	0
0	0	26.7500	34.57	0.230	2640.0000	-0.669	53.65	234.6500	0	0
11200	-4600	11.8500	26.49	0.148	2650.0000	-0.976	14.29	179.6000	0	11600
0	0	23.2500	34.77	0.205	2660.0000	-0.686	54.59	251.1000	0	0
0	0	20.2000	34.98	0.183	2680.0000	-0.701	55.59	267.9500	0	0
37200	-4400	7.4000	27.28	0.098	2700.0000	-0.820	37.7	250.0000	-200	44600
0	0	15.0500	35.32	0.143	2720.0000	-0.728	57.75	302.6500	0	0
					2750.0000		—	240.0000	0	200
0	0	11.1000	35.64	0.111	2760.0000	-0.751	60.09	338.5000	0	0
50200	-800	4.8500	32.01	0.060	2800.0000		—	315.3000	0	29600
200	0	3.1000	31.91	0.041	2840.0000	-0.785	65.31	412.8500	0	0
1400	0	2.2500	30.77	0.032	2850.0000
800	0	2.4000	34.17	0.031	2900.0000		—	380.0000	0	2800
27400	0	1.1000	35.66	0.015	3000.0000		—	510.0000	0	34400