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	-25.50	4058800	-4600	Long Unwinding
Nov. 23, 2026	2467.1000	-33.10	62000	-2400	Long Unwinding
Dec. 29, 2026	2507.0000	-3.00	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
Oct. 1, 2026	Dec. 29, 2026	2465.0000	2510.0000	2465.0000	2510.0000	1800	800
Oct. 1, 2026	Nov. 23, 2026	2491.8000	2501.0000	2454.0000	2500.2000	64400	2400
Oct. 1, 2026	Oct. 27, 2026	2515.6000	2515.6000	2437.1000	2484.4000	4063400	-41600
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

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) —

Max Pain 2080.0000

Open Interest by Strike (Max Pain: 2080.0000)

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	405.9000	—		2080.0000	-0.139	37.75	35.3000	0	0
0	0	344.8500	20.98	0.929	2160.0000	-0.190	38.07	53.1000	0	0
0	0	289.0000	25.68	0.826	2240.0000	-0.248	38.36	76.0500	0	0
0	0	263.3000	26.97	0.778	2280.0000	-0.280	38.56	89.8000	0	0
0	0	239.1000	27.94	0.731	2320.0000	-0.312	38.77	105.0000	0	0
0	0	216.4000	28.72	0.686	2360.0000	-0.344	39.0	121.7500	0	0
0	0	195.2500	29.35	0.641	2400.0000	-0.377	39.24	139.9500	0	0
0	0	175.5500	29.87	0.597	2440.0000	-0.410	39.51	159.7000	0	0
0	0	157.3500	30.31	0.554	2480.0000	-0.443	39.8	180.9000	0	0
0	0	140.6000	30.69	0.512	2520.0000	-0.475	40.11	203.5500	0	0
0	0	125.2500	31.02	0.471	2560.0000	-0.506	40.46	227.6000	0	0
0	0	111.2000	31.3	0.432	2600.0000	-0.535	40.83	253.0000	0	0
0	0	98.4500	31.55	0.395	2640.0000	-0.564	41.23	279.6500	0	0
0	0	86.9000	31.77	0.360	2680.0000	-0.591	41.68	307.5500	0	0
0	0	76.6000	32.0	0.327	2720.0000	-0.617	42.18	336.6500	0	0
0	0	58.8500	32.33	0.266	2800.0000	-0.663	43.23	397.7000	0	0
0	0	44.7500	32.61	0.214	2880.0000	-0.702	44.46	462.4500	0	0