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Historical option data for GAIL

22 May 2026 04:10 PM IST
GAIL 26-May-2026 (3d) 161 CE
Delta: 0.58
Vega: 0
Theta: -0.33
Gamma: 0.05427
Date Close Ltp Change IV Volume OI Chg OI
22 May 160.77 3.56 2.56 (256.00%) 40.74 722 -19 439
21 May 155.90 1.25 0.25 (25.00%) 41.38 276 -6 459
20 May 155.64 1.1 0.1 (10.00%) 36.6 207 -10 465
19 May 156.12 1.25 -1.75 (-58.33%) 36.3 352 40 475
18 May 160.22 2.97 -1.03 (-25.75%) 32.24 193 7 437
15 May 162.13 4.08 -0.92 (-18.40%) 29.4 68 16 430
14 May 162.61 5.13 -0.87 (-14.50%) 32.05 182 -6 414
13 May 163.31 5.68 1.68 (42.00%) 0 186 45 420
12 May 160.35 3.86 -4.14 (-51.75%) 30.41 55 4 375
11 May 162.51 8.39 0.39 (4.88%) 0 0 0 371
8 May 166.49 8.39 0 (0.00%) 31.5 0 0 371
7 May 167.26 8.39 0.75 (9.82%) 31.5 1 0 372
6 May 165.68 7.64 0 (0.00%) - 0 0 372
5 May 163.70 7.64 0 (0.00%) 33.25 0 0 372
4 May 164.48 7.64 0.62 (8.83%) 33.25 47 1 372
30 Apr 163.23 7.01 -1.47 (-17.33%) 28.67 115 6 377
29 Apr 165.66 8.3 -0.05 (-0.60%) 31.26 446 368 371
28 Apr 165.68 8.35 -2.15 (-20.48%) - 0 0 3
27 Apr 165.74 8.35 -2.15 (-20.48%) - 0 0 3
24 Apr 165.61 8.35 -2.15 (-20.48%) - 0 0 3
23 Apr 164.96 8.35 -2.15 (-20.48%) 29.06 0 0 3
22 Apr 166.12 8.35 2.01 (31.70%) 29.06 1 0 3
21 Apr 160.77 6.34 1.53 (31.81%) 29.67 21 -2 6
20 Apr 157.70 4.81 -0.57 (-10.59%) 29.96 7 0 8
17 Apr 157.82 5.38 -0.28 (-4.95%) 29.7 9 4 5
16 Apr 158.92 5.66 4.11 (265.16%) 28.77 1 0 0
15 Apr 156.12 0 0 - 0 0 0
13 Apr 153.71 0 0 - 0 0 0
10 Apr 154.08 0 0 (0.00%) 3.37 0 0 0
9 Apr 152.22 1.55 0 (0.00%) 4 0 0 0
8 Apr 153.30 1.55 0 (0.00%) 3.38 0 0 0
7 Apr 145.38 0 0 (0.00%) - 0 0 0
6 Apr 143.14 0 0 (0.00%) - 0 0 0
2 Apr 141.73 0 0 (0.00%) - 0 0 0
1 Apr 140.67 0 0 (0.00%) - 0 0 0


For Gail (India) Ltd - strike price 161 expiring on 26MAY2026

Delta for 161 CE is 0.58

Historical price for 161 CE is as follows

On 22 May GAIL was trading at 160.77. The strike last trading price was 3.56, which was 2.56 higher than the previous day. The implied volatity was 40.74, the open interest changed by -19 which decreased total open position to 439


On 21 May GAIL was trading at 155.90. The strike last trading price was 1.25, which was 0.25 higher than the previous day. The implied volatity was 41.38, the open interest changed by -6 which decreased total open position to 459


On 20 May GAIL was trading at 155.64. The strike last trading price was 1.1, which was 0.1 higher than the previous day. The implied volatity was 36.6, the open interest changed by -10 which decreased total open position to 465


On 19 May GAIL was trading at 156.12. The strike last trading price was 1.25, which was -1.75 lower than the previous day. The implied volatity was 36.3, the open interest changed by 40 which increased total open position to 475


On 18 May GAIL was trading at 160.22. The strike last trading price was 2.97, which was -1.03 lower than the previous day. The implied volatity was 32.24, the open interest changed by 7 which increased total open position to 437


On 15 May GAIL was trading at 162.13. The strike last trading price was 4.08, which was -0.92 lower than the previous day. The implied volatity was 29.4, the open interest changed by 16 which increased total open position to 430


On 14 May GAIL was trading at 162.61. The strike last trading price was 5.13, which was -0.87 lower than the previous day. The implied volatity was 32.05, the open interest changed by -6 which decreased total open position to 414


On 13 May GAIL was trading at 163.31. The strike last trading price was 5.68, which was 1.68 higher than the previous day. The implied volatity was 0, the open interest changed by 45 which increased total open position to 420


On 12 May GAIL was trading at 160.35. The strike last trading price was 3.86, which was -4.14 lower than the previous day. The implied volatity was 30.41, the open interest changed by 4 which increased total open position to 375


On 11 May GAIL was trading at 162.51. The strike last trading price was 8.39, which was 0.39 higher than the previous day. The implied volatity was 0, the open interest changed by 0 which decreased total open position to 371


On 8 May GAIL was trading at 166.49. The strike last trading price was 8.39, which was 0 lower than the previous day. The implied volatity was 31.5, the open interest changed by 0 which decreased total open position to 371


On 7 May GAIL was trading at 167.26. The strike last trading price was 8.39, which was 0.75 higher than the previous day. The implied volatity was 31.5, the open interest changed by 0 which decreased total open position to 372


On 6 May GAIL was trading at 165.68. The strike last trading price was 7.64, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 372


On 5 May GAIL was trading at 163.70. The strike last trading price was 7.64, which was 0 lower than the previous day. The implied volatity was 33.25, the open interest changed by 0 which decreased total open position to 372


On 4 May GAIL was trading at 164.48. The strike last trading price was 7.64, which was 0.62 higher than the previous day. The implied volatity was 33.25, the open interest changed by 1 which increased total open position to 372


On 30 Apr GAIL was trading at 163.23. The strike last trading price was 7.01, which was -1.47 lower than the previous day. The implied volatity was 28.67, the open interest changed by 6 which increased total open position to 377


On 29 Apr GAIL was trading at 165.66. The strike last trading price was 8.3, which was -0.05 lower than the previous day. The implied volatity was 31.26, the open interest changed by 368 which increased total open position to 371


On 28 Apr GAIL was trading at 165.68. The strike last trading price was 8.35, which was -2.15 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 3


On 27 Apr GAIL was trading at 165.74. The strike last trading price was 8.35, which was -2.15 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 3


On 24 Apr GAIL was trading at 165.61. The strike last trading price was 8.35, which was -2.15 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 3


On 23 Apr GAIL was trading at 164.96. The strike last trading price was 8.35, which was -2.15 lower than the previous day. The implied volatity was 29.06, the open interest changed by 0 which decreased total open position to 3


On 22 Apr GAIL was trading at 166.12. The strike last trading price was 8.35, which was 2.01 higher than the previous day. The implied volatity was 29.06, the open interest changed by 0 which decreased total open position to 3


On 21 Apr GAIL was trading at 160.77. The strike last trading price was 6.34, which was 1.53 higher than the previous day. The implied volatity was 29.67, the open interest changed by -2 which decreased total open position to 6


On 20 Apr GAIL was trading at 157.70. The strike last trading price was 4.81, which was -0.57 lower than the previous day. The implied volatity was 29.96, the open interest changed by 0 which decreased total open position to 8


On 17 Apr GAIL was trading at 157.82. The strike last trading price was 5.38, which was -0.28 lower than the previous day. The implied volatity was 29.7, the open interest changed by 4 which increased total open position to 5


On 16 Apr GAIL was trading at 158.92. The strike last trading price was 5.66, which was 4.11 higher than the previous day. The implied volatity was 28.77, the open interest changed by 0 which decreased total open position to 0


On 15 Apr GAIL was trading at 156.12. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 13 Apr GAIL was trading at 153.71. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 10 Apr GAIL was trading at 154.08. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was 3.37, the open interest changed by 0 which decreased total open position to 0


On 9 Apr GAIL was trading at 152.22. The strike last trading price was 1.55, which was 0 lower than the previous day. The implied volatity was 4, the open interest changed by 0 which decreased total open position to 0


On 8 Apr GAIL was trading at 153.30. The strike last trading price was 1.55, which was 0 lower than the previous day. The implied volatity was 3.38, the open interest changed by 0 which decreased total open position to 0


On 7 Apr GAIL was trading at 145.38. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 6 Apr GAIL was trading at 143.14. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 2 Apr GAIL was trading at 141.73. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 1 Apr GAIL was trading at 140.67. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


GAIL 26-May-2026 (3d) 161 PE
Delta: -0.43
Vega: 0
Theta: -0.35
Gamma: 0.04822
Date Close Ltp Change IV Volume OI Chg OI
22 May 160.77 2.62 -4.36 (-62.46%) 46.01 108 -2 662
21 May 155.90 7.02 -0.9 (-11.36%) 51.95 45 -14 663
20 May 155.64 7.92 1.01 (14.62%) 54.89 22 -9 677
19 May 156.12 7.52 3.7 (96.86%) 48.48 19 -3 686
18 May 160.22 3.76 0.57 (17.87%) 37.22 57 -3 689
15 May 162.13 3.17 -0.09 (-2.76%) 33.77 139 -4 693
14 May 162.61 3.21 0.48 (17.58%) 35.91 284 -8 696
13 May 163.31 2.87 -1.54 (-34.92%) 0 220 36 706
12 May 160.35 4.4 0.9 (25.71%) 34.64 68 -1 669
11 May 162.51 3.5 1.66 (90.22%) 0 16 5 669
8 May 166.49 1.81 1.81 (-45.15%) 29.63 0 0 664
7 May 167.26 1.81 -1.49 (-45.15%) 29.63 30 2 665
6 May 165.68 3.26 3.26 (3.82%) 29.57 0 0 663
5 May 163.70 3.26 0.12 (3.82%) 29.57 29 3 663
4 May 164.48 3.14 -0.9 (-22.28%) 30.73 120 9 660
30 Apr 163.23 4.04 0.98 (32.03%) 30.42 141 15 666
29 Apr 165.66 3.13 -19.93 (-86.43%) 29.62 790 651 651
28 Apr 165.68 0 0 - 0 0 0
27 Apr 165.74 0 0 - 0 0 0
24 Apr 165.61 0 0 - 0 0 0
23 Apr 164.96 0 0 - 0 0 0
22 Apr 166.12 0 0 - 0 0 0
21 Apr 160.77 0 0 - 0 0 0
20 Apr 157.70 0 0 - 0 0 0
17 Apr 157.82 0 0 - 0 0 0
16 Apr 158.92 0 0 - 0 0 0
15 Apr 156.12 0 0 - 0 0 0
13 Apr 153.71 0 0 - 0 0 0
10 Apr 154.08 0 0 (0.00%) - 0 0 0
9 Apr 152.22 23.06 0 (0.00%) - 0 0 0
8 Apr 153.30 23.06 0 (0.00%) - 0 0 0
7 Apr 145.38 0 0 (0.00%) - 0 0 0
6 Apr 143.14 0 0 (0.00%) - 0 0 0
2 Apr 141.73 0 0 (0.00%) - 0 0 0
1 Apr 140.67 0 0 (0.00%) 0 0 0 0


For Gail (India) Ltd - strike price 161 expiring on 26MAY2026

Delta for 161 PE is -0.43

Historical price for 161 PE is as follows

On 22 May GAIL was trading at 160.77. The strike last trading price was 2.62, which was -4.36 lower than the previous day. The implied volatity was 46.01, the open interest changed by -2 which decreased total open position to 662


On 21 May GAIL was trading at 155.90. The strike last trading price was 7.02, which was -0.9 lower than the previous day. The implied volatity was 51.95, the open interest changed by -14 which decreased total open position to 663


On 20 May GAIL was trading at 155.64. The strike last trading price was 7.92, which was 1.01 higher than the previous day. The implied volatity was 54.89, the open interest changed by -9 which decreased total open position to 677


On 19 May GAIL was trading at 156.12. The strike last trading price was 7.52, which was 3.7 higher than the previous day. The implied volatity was 48.48, the open interest changed by -3 which decreased total open position to 686


On 18 May GAIL was trading at 160.22. The strike last trading price was 3.76, which was 0.57 higher than the previous day. The implied volatity was 37.22, the open interest changed by -3 which decreased total open position to 689


On 15 May GAIL was trading at 162.13. The strike last trading price was 3.17, which was -0.09 lower than the previous day. The implied volatity was 33.77, the open interest changed by -4 which decreased total open position to 693


On 14 May GAIL was trading at 162.61. The strike last trading price was 3.21, which was 0.48 higher than the previous day. The implied volatity was 35.91, the open interest changed by -8 which decreased total open position to 696


On 13 May GAIL was trading at 163.31. The strike last trading price was 2.87, which was -1.54 lower than the previous day. The implied volatity was 0, the open interest changed by 36 which increased total open position to 706


On 12 May GAIL was trading at 160.35. The strike last trading price was 4.4, which was 0.9 higher than the previous day. The implied volatity was 34.64, the open interest changed by -1 which decreased total open position to 669


On 11 May GAIL was trading at 162.51. The strike last trading price was 3.5, which was 1.66 higher than the previous day. The implied volatity was 0, the open interest changed by 5 which increased total open position to 669


On 8 May GAIL was trading at 166.49. The strike last trading price was 1.81, which was 1.81 higher than the previous day. The implied volatity was 29.63, the open interest changed by 0 which decreased total open position to 664


On 7 May GAIL was trading at 167.26. The strike last trading price was 1.81, which was -1.49 lower than the previous day. The implied volatity was 29.63, the open interest changed by 2 which increased total open position to 665


On 6 May GAIL was trading at 165.68. The strike last trading price was 3.26, which was 3.26 higher than the previous day. The implied volatity was 29.57, the open interest changed by 0 which decreased total open position to 663


On 5 May GAIL was trading at 163.70. The strike last trading price was 3.26, which was 0.12 higher than the previous day. The implied volatity was 29.57, the open interest changed by 3 which increased total open position to 663


On 4 May GAIL was trading at 164.48. The strike last trading price was 3.14, which was -0.9 lower than the previous day. The implied volatity was 30.73, the open interest changed by 9 which increased total open position to 660


On 30 Apr GAIL was trading at 163.23. The strike last trading price was 4.04, which was 0.98 higher than the previous day. The implied volatity was 30.42, the open interest changed by 15 which increased total open position to 666


On 29 Apr GAIL was trading at 165.66. The strike last trading price was 3.13, which was -19.93 lower than the previous day. The implied volatity was 29.62, the open interest changed by 651 which increased total open position to 651


On 28 Apr GAIL was trading at 165.68. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 27 Apr GAIL was trading at 165.74. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 24 Apr GAIL was trading at 165.61. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 23 Apr GAIL was trading at 164.96. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 22 Apr GAIL was trading at 166.12. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 21 Apr GAIL was trading at 160.77. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 20 Apr GAIL was trading at 157.70. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 17 Apr GAIL was trading at 157.82. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 16 Apr GAIL was trading at 158.92. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 15 Apr GAIL was trading at 156.12. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 13 Apr GAIL was trading at 153.71. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 10 Apr GAIL was trading at 154.08. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 9 Apr GAIL was trading at 152.22. The strike last trading price was 23.06, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 8 Apr GAIL was trading at 153.30. The strike last trading price was 23.06, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 7 Apr GAIL was trading at 145.38. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 6 Apr GAIL was trading at 143.14. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 2 Apr GAIL was trading at 141.73. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 1 Apr GAIL was trading at 140.67. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was 0, the open interest changed by 0 which decreased total open position to 0