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Historical option data for GAIL

20 May 2026 04:10 PM IST
GAIL 26-May-2026 (5d) 163 CE
Delta: 0.19
Vega: 0
Theta: -0.17
Gamma: 0.03421
Date Close Ltp Change IV Volume OI Chg OI
20 May 155.64 0.78 -0.22 (-22.00%) 38.25 102 -4 158
19 May 156.12 0.93 -1.07 (-53.50%) 38.23 201 4 163
18 May 160.22 2.24 -0.76 (-25.33%) 32.9 141 18 159
15 May 162.13 3.16 -0.84 (-21.00%) 30.16 190 29 142
14 May 162.61 3.85 -1.15 (-23.00%) 32.65 242 6 115
13 May 163.31 4.7 1.7 (56.67%) 34.81 290 33 109
12 May 160.35 2.96 -1.04 (-26.00%) 0 201 26 76
11 May 162.51 4.1 -2.9 (-41.43%) 0 68 -2 50
8 May 166.49 6.66 -0.84 (-11.20%) 29.49 11 1 53
7 May 167.26 7.5 0.91 (13.81%) 30.82 2 0 52
6 May 165.68 6.5 0.97 (17.54%) 30.74 29 -7 51
5 May 163.70 5.56 -0.67 (-10.75%) 30.88 70 9 59
4 May 164.48 6.25 0.5 (8.70%) 32.72 40 0 52
30 Apr 163.23 6 -1.82 (-23.27%) 30.28 104 48 53
29 Apr 165.66 7.82 -0.43 (-5.21%) 30.38 0 0 5
28 Apr 165.68 7.82 0.12 (1.56%) 30.38 3 1 4
27 Apr 165.74 7.7 6.39 (487.79%) 30.43 5 2 2
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%) 4.47 0 0 0
9 Apr 152.22 1.31 0 (0.00%) 5.07 0 0 0
8 Apr 153.30 1.31 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 163 expiring on 26MAY2026

Delta for 163 CE is 0.19

Historical price for 163 CE is as follows

On 20 May GAIL was trading at 155.64. The strike last trading price was 0.78, which was -0.22 lower than the previous day. The implied volatity was 38.25, the open interest changed by -4 which decreased total open position to 158


On 19 May GAIL was trading at 156.12. The strike last trading price was 0.93, which was -1.07 lower than the previous day. The implied volatity was 38.23, the open interest changed by 4 which increased total open position to 163


On 18 May GAIL was trading at 160.22. The strike last trading price was 2.24, which was -0.76 lower than the previous day. The implied volatity was 32.9, the open interest changed by 18 which increased total open position to 159


On 15 May GAIL was trading at 162.13. The strike last trading price was 3.16, which was -0.84 lower than the previous day. The implied volatity was 30.16, the open interest changed by 29 which increased total open position to 142


On 14 May GAIL was trading at 162.61. The strike last trading price was 3.85, which was -1.15 lower than the previous day. The implied volatity was 32.65, the open interest changed by 6 which increased total open position to 115


On 13 May GAIL was trading at 163.31. The strike last trading price was 4.7, which was 1.7 higher than the previous day. The implied volatity was 34.81, the open interest changed by 33 which increased total open position to 109


On 12 May GAIL was trading at 160.35. The strike last trading price was 2.96, which was -1.04 lower than the previous day. The implied volatity was 0, the open interest changed by 26 which increased total open position to 76


On 11 May GAIL was trading at 162.51. The strike last trading price was 4.1, which was -2.9 lower than the previous day. The implied volatity was 0, the open interest changed by -2 which decreased total open position to 50


On 8 May GAIL was trading at 166.49. The strike last trading price was 6.66, which was -0.84 lower than the previous day. The implied volatity was 29.49, the open interest changed by 1 which increased total open position to 53


On 7 May GAIL was trading at 167.26. The strike last trading price was 7.5, which was 0.91 higher than the previous day. The implied volatity was 30.82, the open interest changed by 0 which decreased total open position to 52


On 6 May GAIL was trading at 165.68. The strike last trading price was 6.5, which was 0.97 higher than the previous day. The implied volatity was 30.74, the open interest changed by -7 which decreased total open position to 51


On 5 May GAIL was trading at 163.70. The strike last trading price was 5.56, which was -0.67 lower than the previous day. The implied volatity was 30.88, the open interest changed by 9 which increased total open position to 59


On 4 May GAIL was trading at 164.48. The strike last trading price was 6.25, which was 0.5 higher than the previous day. The implied volatity was 32.72, the open interest changed by 0 which decreased total open position to 52


On 30 Apr GAIL was trading at 163.23. The strike last trading price was 6, which was -1.82 lower than the previous day. The implied volatity was 30.28, the open interest changed by 48 which increased total open position to 53


On 29 Apr GAIL was trading at 165.66. The strike last trading price was 7.82, which was -0.43 lower than the previous day. The implied volatity was 30.38, the open interest changed by 0 which decreased total open position to 5


On 28 Apr GAIL was trading at 165.68. The strike last trading price was 7.82, which was 0.12 higher than the previous day. The implied volatity was 30.38, the open interest changed by 1 which increased total open position to 4


On 27 Apr GAIL was trading at 165.74. The strike last trading price was 7.7, which was 6.39 higher than the previous day. The implied volatity was 30.43, the open interest changed by 2 which increased total open position to 2


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 4.47, 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 1.31, which was 0 lower than the previous day. The implied volatity was 5.07, 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 1.31, 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


GAIL 26-May-2026 (5d) 163 PE
Delta: -0.72
Vega: 0
Theta: -0.3
Gamma: 0.02829
Date Close Ltp Change IV Volume OI Chg OI
20 May 155.64 9.57 1.46 (18.00%) 57.84 49 -15 84
19 May 156.12 8.1 3.05 (60.40%) 47.89 35 5 100
18 May 160.22 4.87 0.64 (15.13%) 37.82 85 -2 96
15 May 162.13 4.23 0.07 (1.68%) 34.4 214 -28 98
14 May 162.61 4.14 0.47 (12.81%) 35.44 274 13 126
13 May 163.31 3.72 -1.74 (-31.87%) 0 227 9 111
12 May 160.35 5.55 1.19 (27.29%) 35.07 107 30 101
11 May 162.51 4.25 1.45 (51.79%) 0 107 7 72
8 May 166.49 2.8 0.29 (11.55%) 31.17 8 -1 64
7 May 167.26 2.5 -0.58 (-18.83%) 29.39 10 -4 65
6 May 165.68 3.08 -0.92 (-23.00%) 28.97 63 -17 69
5 May 163.70 3.88 -0.03 (-0.77%) 29.76 119 14 86
4 May 164.48 3.87 -0.97 (-20.04%) 29.71 107 30 69
30 Apr 163.23 4.55 1.07 (30.75%) 29.8 111 27 66
29 Apr 165.66 3.48 -0.29 (-7.69%) 29.31 59 22 39
28 Apr 165.68 3.77 -0.06 (-1.57%) 28.77 9 6 17
27 Apr 165.74 3.8 -0.5 (-11.63%) 28.74 10 4 10
24 Apr 165.61 4.3 0.03 (0.70%) 29.13 2 0 4
23 Apr 164.96 4.27 -0.75 (-14.94%) 29.12 2 0 2
22 Apr 166.12 5.02 -19.77 (-79.75%) 33.33 2 1 1
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 24.79 0 (0.00%) - 0 0 0
8 Apr 153.30 0 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 163 expiring on 26MAY2026

Delta for 163 PE is -0.72

Historical price for 163 PE is as follows

On 20 May GAIL was trading at 155.64. The strike last trading price was 9.57, which was 1.46 higher than the previous day. The implied volatity was 57.84, the open interest changed by -15 which decreased total open position to 84


On 19 May GAIL was trading at 156.12. The strike last trading price was 8.1, which was 3.05 higher than the previous day. The implied volatity was 47.89, the open interest changed by 5 which increased total open position to 100


On 18 May GAIL was trading at 160.22. The strike last trading price was 4.87, which was 0.64 higher than the previous day. The implied volatity was 37.82, the open interest changed by -2 which decreased total open position to 96


On 15 May GAIL was trading at 162.13. The strike last trading price was 4.23, which was 0.07 higher than the previous day. The implied volatity was 34.4, the open interest changed by -28 which decreased total open position to 98


On 14 May GAIL was trading at 162.61. The strike last trading price was 4.14, which was 0.47 higher than the previous day. The implied volatity was 35.44, the open interest changed by 13 which increased total open position to 126


On 13 May GAIL was trading at 163.31. The strike last trading price was 3.72, which was -1.74 lower than the previous day. The implied volatity was 0, the open interest changed by 9 which increased total open position to 111


On 12 May GAIL was trading at 160.35. The strike last trading price was 5.55, which was 1.19 higher than the previous day. The implied volatity was 35.07, the open interest changed by 30 which increased total open position to 101


On 11 May GAIL was trading at 162.51. The strike last trading price was 4.25, which was 1.45 higher than the previous day. The implied volatity was 0, the open interest changed by 7 which increased total open position to 72


On 8 May GAIL was trading at 166.49. The strike last trading price was 2.8, which was 0.29 higher than the previous day. The implied volatity was 31.17, the open interest changed by -1 which decreased total open position to 64


On 7 May GAIL was trading at 167.26. The strike last trading price was 2.5, which was -0.58 lower than the previous day. The implied volatity was 29.39, the open interest changed by -4 which decreased total open position to 65


On 6 May GAIL was trading at 165.68. The strike last trading price was 3.08, which was -0.92 lower than the previous day. The implied volatity was 28.97, the open interest changed by -17 which decreased total open position to 69


On 5 May GAIL was trading at 163.70. The strike last trading price was 3.88, which was -0.03 lower than the previous day. The implied volatity was 29.76, the open interest changed by 14 which increased total open position to 86


On 4 May GAIL was trading at 164.48. The strike last trading price was 3.87, which was -0.97 lower than the previous day. The implied volatity was 29.71, the open interest changed by 30 which increased total open position to 69


On 30 Apr GAIL was trading at 163.23. The strike last trading price was 4.55, which was 1.07 higher than the previous day. The implied volatity was 29.8, the open interest changed by 27 which increased total open position to 66


On 29 Apr GAIL was trading at 165.66. The strike last trading price was 3.48, which was -0.29 lower than the previous day. The implied volatity was 29.31, the open interest changed by 22 which increased total open position to 39


On 28 Apr GAIL was trading at 165.68. The strike last trading price was 3.77, which was -0.06 lower than the previous day. The implied volatity was 28.77, the open interest changed by 6 which increased total open position to 17


On 27 Apr GAIL was trading at 165.74. The strike last trading price was 3.8, which was -0.5 lower than the previous day. The implied volatity was 28.74, the open interest changed by 4 which increased total open position to 10


On 24 Apr GAIL was trading at 165.61. The strike last trading price was 4.3, which was 0.03 higher than the previous day. The implied volatity was 29.13, the open interest changed by 0 which decreased total open position to 4


On 23 Apr GAIL was trading at 164.96. The strike last trading price was 4.27, which was -0.75 lower than the previous day. The implied volatity was 29.12, the open interest changed by 0 which decreased total open position to 2


On 22 Apr GAIL was trading at 166.12. The strike last trading price was 5.02, which was -19.77 lower than the previous day. The implied volatity was 33.33, the open interest changed by 1 which increased total open position to 1


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 24.79, 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 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 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