GAIL option chain
IV vs HV, IV percentile & PCR history →End of day 02 Nov 2026 · expiry 29 Dec 2026 (57 days) · lot 3550
Spot
176.97
Future
178.33
Forward
178.33
PCR (OI)
0.16
Puts 95,850 / Calls 6.00 L
PCR (volume)
0.13
Puts 19 / Calls 142
Max pain
170
strike with least total payout to holders
Highest OI
170 CE · 170 PE
ΔOI calls +2.45 L · puts +14,200
Open interest by strike
CallsPuts│ ATM┊ Max pain
| Calls | Puts | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Buildup | OI | ΔOI | IV % | Chg | LTP | Strike | LTP | Chg | IV % | ΔOI | OI | Buildup | ||||||
| Neutral | — | — | 33.36 | 0.00 | 33.19 | 140 | 1.09 | 0.00 | 26.61 | — | — | Neutral | ||||||
| Neutral | — | — | 31.04 | 0.00 | 28.91 | 145 | 1.75 | 0.00 | 26.74 | — | — | Neutral | ||||||
| Neutral | — | — | 30.24 | 0.00 | 21.60 | 147.50 | 1.82 | 0.00 | 26.84 | — | — | Neutral | ||||||
| Neutral | — | — | 29.55 | 0.00 | 24.89 | 150 | 2.45 | 0.00 | 26.82 | — | 3,550 | Neutral | ||||||
| Neutral | — | — | 29.08 | 0.00 | 17.75 | 152.50 | 2.91 | 0.00 | 26.87 | — | — | Neutral | ||||||
| Neutral | — | — | 28.66 | 0.00 | 21.17 | 155 | 3.86 | 0.00 | 26.85 | — | — | Neutral | ||||||
| Neutral | — | — | 28.37 | 0.00 | 14.28 | 157.50 | 4.39 | 0.00 | 26.78 | — | — | Neutral | ||||||
| Neutral | — | — | 28.16 | 0.00 | 17.77 | 160 | 2.40 | 0.00 | 26.80 | — | 14,200 | Neutral | ||||||
| Neutral | — | — | 27.99 | 0.00 | 11.26 | 162.50 | 6.32 | 0.00 | 26.75 | — | — | Neutral | ||||||
| Neutral | 7,100 | — | 27.81 | 0.00 | 8.11 | 165 | 4.65 | 0.00 | 26.75 | — | 7,100 | Neutral | ||||||
| Neutral | — | — | 27.70 | 0.00 | 8.69 | 167.50 | 8.69 | 0.00 | 26.70 | — | — | Neutral | ||||||
| Long buildup | 2.27 L | +28,400 | 20.24 | +4.70 | 10.60 | 170 | 2.61 | -3.81 | 21.43 | +7,100 | 56,800 | Short buildup | ||||||
| Neutral | — | — | 27.53 | 0.00 | 6.56 | 172.50 | 8.25 | 0.00 | 26.66 | — | 3,550 | Neutral | ||||||
| Long buildup | 17,750 | +10,650 | 16.36 | +1.36 | 6.36 | 175 | 4.35 | -7.79 | 21.20 | +7,100 | 7,100 | Short buildup | ||||||
| Neutral | — | — | 27.44 | 0.00 | 4.86 | 177.50 | 14.75 | 0.00 | 26.59 | — | — | Neutral | ||||||
| Long buildup | 1.24 L | +21,300 | 21.14 | +2.49 | 5.13 | 180 | 15.10 | 0.00 | 26.54 | — | — | Neutral | ||||||
| Neutral | 3,550 | — | 27.35 | 0.00 | 1.25 | 182.50 | 18.37 | 0.00 | 26.49 | — | — | Neutral | ||||||
| Long buildup | 63,900 | +46,150 | 18.80 | +0.92 | 2.67 | 185 | 18.39 | 0.00 | 26.42 | — | — | Neutral | ||||||
| — | — | 27.28 | — | 2.50 | 187.50 | 22.29 | — | 26.36 | — | — | ||||||||
| Long buildup | 1.56 L | +1.38 L | 21.19 | +1.01 | 1.98 | 190 | 24.70 | 0.00 | 26.24 | — | 3,550 | Neutral | ||||||
| — | — | 27.26 | — | 1.75 | 192.50 | 26.48 | — | 26.16 | — | — | ||||||||
| — | — | 27.25 | — | 3.69 | 195 | 25.79 | — | 26.00 | — | — | ||||||||
| — | — | 27.25 | — | 1.19 | 197.50 | 30.87 | — | 25.85 | — | — | ||||||||
| Neutral | — | — | 27.24 | 0.00 | 2.81 | 200 | 29.84 | 0.00 | 25.66 | — | — | Neutral | ||||||
Source: NSE F&O bhavcopy (EOD, official). Black-76 on the forward; IV from close (settle if untraded). Forward: same-expiry future. 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.