Tata Chemicals Limited

Chemicals · Chemicals & Petrochemicals

NSE: TATACHEM BSE: 500770

₹611.45

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) +308.55

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
Sept. 30, 2025	920.0000	-5.00	1522950	-1816100	Long Unwinding

Date	Expiry	Open	High	Low	Close	OI	Change in OI
Sept. 30, 2025	Sept. 30, 2025	924.5500	934.5000	902.1500	920.0000	1522950	-1816100
Sept. 29, 2025	Sept. 30, 2025	935.8500	944.2500	921.8500	925.0000	3339050	-1035450
Sept. 26, 2025	Sept. 30, 2025	950.3000	952.8500	929.3000	931.5500	4374500	-449800
Sept. 25, 2025	Sept. 30, 2025	962.5000	968.0000	948.4000	952.2000	4824300	-314600
Sept. 24, 2025	Sept. 30, 2025	968.8000	972.0000	956.7000	965.4500	5138900	-139750
Sept. 23, 2025	Sept. 30, 2025	980.9500	983.9500	960.0000	961.9000	5278650	70850
Sept. 22, 2025	Sept. 30, 2025	1001.2500	1005.0000	971.4000	975.7500	5207800	-241800
Sept. 19, 2025	Sept. 30, 2025	988.9500	1006.0000	985.4000	995.7500	5449600	43550
Sept. 18, 2025	Sept. 30, 2025	1012.6000	1012.6000	988.7500	991.3000	5406050	-40300
Sept. 17, 2025	Sept. 30, 2025	989.6500	1031.9500	989.6500	1010.7000	5446350	228150

Options Chain

As of Sept. 18, 2025. 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).

PCR (OI) —

Max Pain 1000.0000

Open Interest by Strike (Max Pain: 1000.0000)

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
					1000.0000		—	11.1500	-650	0