TATASTEEL option chain

IV vs HV, IV percentile & PCR history →

End of day 02 Nov 2026 · expiry 23 Nov 2026 (21 days) · lot 2750

Spot

177.36

Future

177.48

Forward

177.45

23 Nov 2026 29 Dec 2026 25 Jan 2027

PCR (OI)

0.99

Puts 6.24 Cr / Calls 6.27 Cr

PCR (volume)

0.62

Puts 33,652 / Calls 54,132

Max pain

175

strike with least total payout to holders

Highest OI

180 CE · 170 PE

ΔOI calls −14.85 L · puts +1.04 Cr

Open interest by strike

CallsPuts│ ATM┊ Max pain

Calls										Puts
Buildup	OI	ΔOI	Volume	IV %	Delta	Theta	Chg	LTP	Strike	LTP	Chg	Theta	Delta	IV %	Volume	ΔOI	OI	Buildup
·	·	·	·	·	·	·	·	·	140	0.09	0.00	-0.02	-0.01	45.46	197	+3.82 L	8.50 L	Neutral
Neutral	8,250	—	—	53.59	0.95	-0.05	0.00	24.24	145	0.08	-0.07	-0.01	-0.01	38.86	197	−30,250	26.48 L	Long unwinding
Neutral	4.81 L	—	3	52.46	0.92	-0.07	+7.51	28.21	150	0.18	-0.21	-0.02	-0.03	37.67	326	+82,500	15.62 L	Short buildup
Neutral	—	—	—	43.03	0.93	-0.05	0.00	37.17	152.50	0.24	-0.34	-0.03	-0.04	36.41	153	−66,000	5.50 L	Long unwinding
Short covering	4.43 L	−5,500	8	—	—	—	+7.87	22.28	155	0.34	-0.53	-0.04	-0.05	35.59	617	−2.83 L	12.21 L	Long unwinding
Neutral	85,250	—	—	37.18	0.91	-0.05	0.00	14.00	157.50	0.46	-0.80	-0.05	-0.07	34.48	427	+46,750	5.86 L	Short buildup
Short covering	10.01 L	−2.83 L	218	32.25	0.91	-0.05	+7.56	17.93	160	0.64	-1.13	-0.06	-0.09	33.65	2,988	+82,500	52.20 L	Short buildup
Short covering	2.72 L	−85,250	89	31.69	0.88	-0.06	+7.13	15.68	162.50	0.88	-1.55	-0.07	-0.12	32.80	2,189	+4.51 L	13.75 L	Short buildup
Short covering	20.49 L	−3.46 L	722	31.45	0.84	-0.07	+6.65	13.55	165	1.19	-2.06	-0.08	-0.16	31.88	3,604	+10.29 L	41.61 L	Short buildup
Short covering	25.52 L	−1.93 L	1,002	30.89	0.79	-0.09	+6.07	11.50	167.50	1.61	-2.68	-0.09	-0.21	31.08	2,361	+1.49 L	33.38 L	Short buildup
Short covering	76.06 L	−28.60 L	5,226	29.96	0.73	-0.10	+5.33	9.53	170	2.18	-3.34	-0.10	-0.27	30.48	5,399	+6.41 L	88.69 L	Short buildup
Short covering	33.91 L	−7.62 L	3,549	29.61	0.67	-0.11	+4.61	7.79	172.50	2.91	-4.07	-0.11	-0.33	29.94	3,245	+5.42 L	32.34 L	Short buildup
Short covering	75.95 L	−2.64 L	9,585	29.25	0.59	-0.11	+3.88	6.23	175	3.81	-4.84	-0.11	-0.41	29.38	6,956	+35.56 L	71.11 L	Short buildup
Long buildup	24.56 L	+7.37 L	3,792	28.94	0.51	-0.12	+3.18	4.87	177.50	4.92	-5.65	-0.12	-0.49	28.94	1,739	+11.41 L	17.43 L	Short buildup
Long buildup	82.61 L	+6.88 L	9,796	28.68	0.43	-0.11	+2.51	3.72	180	6.14	-6.39	-0.11	-0.57	27.95	2,238	+22.30 L	49.09 L	Short buildup
Long buildup	9.71 L	+1.68 L	1,868	28.06	0.35	-0.10	+1.85	2.71	182.50	7.71	-4.70	-0.10	-0.65	27.86	160	+1.24 L	2.25 L	Short buildup
Long buildup	57.17 L	+14.24 L	5,469	28.23	0.28	-0.10	+1.40	2.01	185	9.56	-7.35	-0.10	-0.72	28.42	245	+4.84 L	12.90 L	Short buildup
Long buildup	11.88 L	+2.37 L	1,933	28.20	0.22	-0.08	+1.01	1.44	187.50	8.09	0.00	-0.06	-0.83	23.37	—	—	—	Neutral
Short covering	53.79 L	−9.40 L	5,577	28.57	0.17	-0.07	+0.71	1.05	190	13.63	-7.87	-0.07	-0.82	29.28	293	−2.72 L	50.55 L	Long unwinding
Long buildup	6.54 L	+55,000	716	28.96	0.13	-0.06	+0.55	0.76	192.50	24.50	0.00	-0.01	-0.96	19.31	—	—	11,000	Neutral
Long buildup	31.90 L	+1.46 L	1,291	29.55	0.10	-0.05	+0.37	0.56	195	18.00	-6.81	-0.05	-0.90	28.92	13	−11,000	4.92 L	Long unwinding
Long buildup	4.51 L	+2.64 L	366	30.43	0.08	-0.04	+0.27	0.43	197.50	20.00	-5.60	-0.00	-0.99	18.72	1	−2,750	5,500	Long unwinding
Short covering	49.14 L	−2.94 L	1,735	31.64	0.06	-0.04	+0.20	0.35	200	22.77	-8.23	-0.03	-0.94	30.70	215	+2.06 L	38.23 L	Short buildup
Long buildup	2.42 L	+49,500	188	32.19	0.05	-0.03	+0.16	0.26	202.50	·	·	·	·	·	·	·	·	·
Long buildup	12.27 L	+6.46 L	555	32.64	0.04	-0.03	+0.10	0.19	205	27.50	-9.00	-0.00	-0.98	26.74	41	−1.04 L	1.81 L	Long unwinding
Long buildup	14.82 L	+1.81 L	351	33.93	0.02	-0.02	+0.06	0.11	210	32.60	-8.40	-0.02	-0.97	36.33	11	+5,500	28.55 L	Neutral
Short covering	11.05 L	−46,750	93	39.16	0.01	-0.01	+0.03	0.07	220	42.16	-8.84	—	—	—	37	+8,250	11.05 L	Neutral

Source: NSE F&O bhavcopy (EOD, official). Black-76 on the forward; IV from close (settle if untraded). Forward: put-call parity, median of 5 near-ATM strikes. Discounting at 6.43% (carry implied by 23 Nov → 29 Dec futures). Buildup labels describe price and open-interest changes only and are not advice. Spot: NSE F&O bhavcopy underlying price.