GAIL option chain
IV vs HV, IV percentile & PCR history →End of day 02 Nov 2026 · expiry 23 Nov 2026 (21 days) · lot 3550
Spot
176.97
Future
177.42
Forward
177.44
PCR (OI)
1.12
Puts 2.25 Cr / Calls 2.01 Cr
PCR (volume)
0.53
Puts 14,614 / Calls 27,495
Max pain
175
strike with least total payout to holders
Highest OI
180 CE · 190 PE
ΔOI calls −11.71 L · puts +44.02 L
Open interest by strike
CallsPuts│ ATM┊ Max pain
| Calls | Puts | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Buildup | OI | ΔOI | IV % | Chg | LTP | Strike | LTP | Chg | IV % | ΔOI | OI | Buildup | ||||||
| Neutral | 10,650 | — | — | +2.50 | 33.00 | 140 | 0.05 | -0.10 | 42.04 | +7,100 | 1.06 L | Short buildup | ||||||
| Neutral | 49,700 | — | 40.52 | 0.00 | 24.20 | 145 | 0.08 | -0.05 | 38.85 | −46,150 | 4.15 L | Long unwinding | ||||||
| Neutral | — | — | 37.67 | 0.00 | 24.91 | 147.50 | 0.08 | -0.09 | 35.97 | −10,650 | 35,500 | Long unwinding | ||||||
| Neutral | 14,200 | — | 35.30 | 0.00 | 17.80 | 150 | 0.11 | -0.15 | 34.73 | −21,300 | 9.44 L | Long unwinding | ||||||
| Neutral | — | — | 33.24 | 0.00 | 20.73 | 152.50 | 0.13 | -0.23 | 32.66 | −7,100 | 3.09 L | Long unwinding | ||||||
| Neutral | 49,700 | — | 31.31 | 0.00 | 11.97 | 155 | 0.17 | -0.36 | 31.08 | −67,450 | 6.53 L | Long unwinding | ||||||
| Neutral | — | — | 30.15 | 0.00 | 16.89 | 157.50 | 0.21 | -0.57 | 29.14 | −60,350 | 2.31 L | Long unwinding | ||||||
| Short covering | 3.73 L | −24,850 | 31.73 | +8.15 | 17.90 | 160 | 0.28 | -0.86 | 27.56 | +4.79 L | 24.50 L | Short buildup | ||||||
| Short covering | 2.48 L | −21,300 | — | +6.59 | 14.57 | 162.50 | 0.37 | -1.29 | 25.86 | −3.44 L | 6.28 L | Long unwinding | ||||||
| Short covering | 9.94 L | −4.65 L | 25.10 | +6.59 | 12.97 | 165 | 0.50 | -1.88 | 24.22 | +63,900 | 34.86 L | Short buildup | ||||||
| Short covering | 10.44 L | −1.49 L | 24.57 | +5.93 | 10.79 | 167.50 | 0.75 | -2.62 | 23.27 | −1.77 L | 10.40 L | Long unwinding | ||||||
| Short covering | 36.10 L | −23.96 L | 21.89 | +4.87 | 8.48 | 170 | 1.10 | -3.41 | 22.20 | +8.27 L | 27.16 L | Short buildup | ||||||
| Short covering | 4.51 L | −4.08 L | 21.60 | +4.00 | 6.59 | 172.50 | 1.68 | -4.23 | 21.70 | +6.67 L | 9.30 L | Short buildup | ||||||
| Short covering | 21.23 L | −9.19 L | 21.62 | +3.18 | 4.98 | 175 | 2.48 | -5.13 | 21.21 | +16.86 L | 21.30 L | Short buildup | ||||||
| Long buildup | 12.18 L | +3.87 L | 21.26 | +2.35 | 3.57 | 177.50 | 3.63 | -8.46 | 21.26 | +4.86 L | 5.25 L | Short buildup | ||||||
| Long buildup | 39.65 L | +12.43 L | 21.50 | +1.71 | 2.53 | 180 | 4.97 | -6.81 | 20.81 | +8.73 L | 17.79 L | Short buildup | ||||||
| Long buildup | 7.49 L | +3.48 L | 20.93 | +1.07 | 1.62 | 182.50 | 13.00 | 0.00 | 26.50 | — | 3,550 | Neutral | ||||||
| Long buildup | 13.45 L | +5.54 L | 21.41 | +0.73 | 1.09 | 185 | 8.49 | -6.53 | 20.28 | +53,250 | 67,450 | Short buildup | ||||||
| Long buildup | 3.23 L | +1.31 L | 21.67 | +0.45 | 0.70 | 187.50 | 18.47 | 0.00 | 26.24 | — | 49,700 | Neutral | ||||||
| Long buildup | 25.88 L | +1.06 L | 22.09 | +0.29 | 0.45 | 190 | 12.70 | -7.65 | 17.73 | −17,750 | 37.74 L | Neutral | ||||||
| — | — | 27.20 | — | 2.14 | 192.50 | 22.89 | — | 25.58 | — | — | ||||||||
| Long buildup | 4.40 L | +2.31 L | 23.65 | +0.11 | 0.21 | 195 | 17.05 | -9.95 | — | −24,850 | 1.60 L | Long unwinding | ||||||
| — | — | 27.06 | — | 1.46 | 197.50 | 27.16 | — | 23.94 | — | — | ||||||||
| Long buildup | 5.11 L | +2.13 L | 27.19 | +0.08 | 0.16 | 200 | 21.85 | — | — | +35,500 | 35,500 | |||||||
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 5.19% (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.