GAIL
Gail (India) Ltd
Historical option data for GAIL
20 Dec 2024 04:11 PM IST
GAIL 26DEC2024 195 CE | ||||||||||
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Delta: 0.41
Vega: 0.10
Theta: -0.26
Gamma: 0.05
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Date | Close | Ltp | Change | IV | Volume | Change OI | OI | |||
20 Dec | 192.42 | 2.15 | -0.55 | 29.86 | 10,577.011 | 476.968 | 1,286.84 | |||
19 Dec | 193.62 | 2.7 | -0.50 | 30.95 | 8,805.415 | 149.904 | 829.34 | |||
18 Dec | 193.54 | 3.2 | -3.00 | 29.90 | 4,800.83 | 282.287 | 677.489 | |||
17 Dec | 199.57 | 6.2 | -4.70 | 31.61 | 284.234 | 136.277 | 395.202 | |||
16 Dec | 203.82 | 10.9 | -0.20 | 38.82 | 70.085 | -5.84 | 262.819 | |||
13 Dec | 204.90 | 11.1 | -0.15 | 26.40 | 140.17 | -5.84 | 268.66 | |||
12 Dec | 205.22 | 11.25 | -3.00 | - | 3.894 | 0 | 276.447 | |||
11 Dec | 205.82 | 14.25 | 0.15 | 44.82 | 1.947 | 0 | 276.447 | |||
10 Dec | 207.54 | 14.1 | -1.40 | 26.89 | 15.574 | 1.947 | 274.5 | |||
9 Dec | 208.67 | 15.5 | -1.60 | 30.00 | 29.202 | -9.734 | 272.553 | |||
6 Dec | 210.41 | 17.1 | 1.90 | 26.37 | 110.968 | -35.043 | 282.287 | |||
5 Dec | 208.87 | 15.2 | 0.80 | 19.11 | 183 | -64.245 | 321.223 | |||
4 Dec | 206.73 | 14.4 | 5.30 | 24.05 | 558.734 | -81.766 | 387.415 | |||
3 Dec | 199.99 | 9.1 | 0.60 | 27.31 | 389.362 | -21.415 | 469.181 | |||
2 Dec | 198.54 | 8.5 | -0.85 | 28.55 | 494.489 | 1.947 | 494.489 | |||
29 Nov | 199.46 | 9.35 | 0.50 | 28.48 | 804.032 | 15.574 | 502.277 | |||
28 Nov | 196.70 | 8.85 | 1.35 | 29.98 | 1,265.426 | 70.085 | 492.543 | |||
27 Nov | 194.88 | 7.5 | 0.25 | 30.48 | 685.277 | 163.532 | 422.457 | |||
26 Nov | 193.97 | 7.25 | -2.90 | 31.49 | 270.606 | 97.34 | 251.138 | |||
25 Nov | 199.19 | 10.15 | 3.25 | 29.18 | 237.511 | 42.83 | 153.798 | |||
22 Nov | 192.61 | 6.9 | 1.60 | 30.20 | 132.383 | 38.936 | 149.904 | |||
21 Nov | 188.30 | 5.3 | 0.80 | 30.82 | 91.5 | 9.734 | 109.021 | |||
20 Nov | 186.68 | 4.5 | 0.00 | 31.15 | 101.234 | 44.777 | 95.394 | |||
19 Nov | 186.68 | 4.5 | 0.35 | 31.15 | 101.234 | 40.883 | 95.394 | |||
18 Nov | 185.46 | 4.15 | -1.75 | 30.49 | 48.67 | 21.415 | 52.564 | |||
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14 Nov | 188.89 | 5.9 | -1.10 | 29.58 | 44.777 | 3.894 | 33.096 | |||
13 Nov | 189.47 | 7 | -1.50 | 31.66 | 21.415 | 13.628 | 27.255 | |||
12 Nov | 194.15 | 8.5 | -12.20 | 28.49 | 15.574 | 11.681 | 11.681 | |||
11 Nov | 202.93 | 20.7 | 0.00 | 0.00 | 0 | 0 | 0 | |||
8 Nov | 204.17 | 20.7 | 0.00 | 0.00 | 0 | -1.947 | 0 | |||
7 Nov | 210.43 | 20.7 | 8.45 | 28.54 | 1.947 | 0 | 1.947 | |||
6 Nov | 208.92 | 12.25 | 0.00 | 0.00 | 0 | 1.947 | 0 | |||
5 Nov | 196.41 | 12.25 | -32.30 | 33.92 | 1.947 | 0 | 0 | |||
4 Nov | 196.19 | 44.55 | 44.55 | - | 0 | 0 | 0 | |||
1 Nov | 200.16 | 0 | 0.00 | - | 0 | 0 | 0 | |||
31 Oct | 199.99 | 0 | 0.00 | - | 0 | 0 | 0 | |||
30 Oct | 203.73 | 0 | 0.00 | - | 0 | 0 | 0 | |||
22 Oct | 212.13 | 0 | 0.00 | - | 0 | 0 | 0 | |||
21 Oct | 219.65 | 0 | - | 0 | 0 | 0 |
For Gail (India) Ltd - strike price 195 expiring on 26DEC2024
Delta for 195 CE is 0.41
Historical price for 195 CE is as follows
On 20 Dec GAIL was trading at 192.42. The strike last trading price was 2.15, which was -0.55 lower than the previous day. The implied volatity was 29.86, the open interest changed by 245 which increased total open position to 661
On 19 Dec GAIL was trading at 193.62. The strike last trading price was 2.7, which was -0.50 lower than the previous day. The implied volatity was 30.95, the open interest changed by 77 which increased total open position to 426
On 18 Dec GAIL was trading at 193.54. The strike last trading price was 3.2, which was -3.00 lower than the previous day. The implied volatity was 29.90, the open interest changed by 145 which increased total open position to 348
On 17 Dec GAIL was trading at 199.57. The strike last trading price was 6.2, which was -4.70 lower than the previous day. The implied volatity was 31.61, the open interest changed by 70 which increased total open position to 203
On 16 Dec GAIL was trading at 203.82. The strike last trading price was 10.9, which was -0.20 lower than the previous day. The implied volatity was 38.82, the open interest changed by -3 which decreased total open position to 135
On 13 Dec GAIL was trading at 204.90. The strike last trading price was 11.1, which was -0.15 lower than the previous day. The implied volatity was 26.40, the open interest changed by -3 which decreased total open position to 138
On 12 Dec GAIL was trading at 205.22. The strike last trading price was 11.25, which was -3.00 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 142
On 11 Dec GAIL was trading at 205.82. The strike last trading price was 14.25, which was 0.15 higher than the previous day. The implied volatity was 44.82, the open interest changed by 0 which decreased total open position to 142
On 10 Dec GAIL was trading at 207.54. The strike last trading price was 14.1, which was -1.40 lower than the previous day. The implied volatity was 26.89, the open interest changed by 1 which increased total open position to 141
On 9 Dec GAIL was trading at 208.67. The strike last trading price was 15.5, which was -1.60 lower than the previous day. The implied volatity was 30.00, the open interest changed by -5 which decreased total open position to 140
On 6 Dec GAIL was trading at 210.41. The strike last trading price was 17.1, which was 1.90 higher than the previous day. The implied volatity was 26.37, the open interest changed by -18 which decreased total open position to 145
On 5 Dec GAIL was trading at 208.87. The strike last trading price was 15.2, which was 0.80 higher than the previous day. The implied volatity was 19.11, the open interest changed by -33 which decreased total open position to 165
On 4 Dec GAIL was trading at 206.73. The strike last trading price was 14.4, which was 5.30 higher than the previous day. The implied volatity was 24.05, the open interest changed by -42 which decreased total open position to 199
On 3 Dec GAIL was trading at 199.99. The strike last trading price was 9.1, which was 0.60 higher than the previous day. The implied volatity was 27.31, the open interest changed by -11 which decreased total open position to 241
On 2 Dec GAIL was trading at 198.54. The strike last trading price was 8.5, which was -0.85 lower than the previous day. The implied volatity was 28.55, the open interest changed by 1 which increased total open position to 254
On 29 Nov GAIL was trading at 199.46. The strike last trading price was 9.35, which was 0.50 higher than the previous day. The implied volatity was 28.48, the open interest changed by 8 which increased total open position to 258
On 28 Nov GAIL was trading at 196.70. The strike last trading price was 8.85, which was 1.35 higher than the previous day. The implied volatity was 29.98, the open interest changed by 36 which increased total open position to 253
On 27 Nov GAIL was trading at 194.88. The strike last trading price was 7.5, which was 0.25 higher than the previous day. The implied volatity was 30.48, the open interest changed by 84 which increased total open position to 217
On 26 Nov GAIL was trading at 193.97. The strike last trading price was 7.25, which was -2.90 lower than the previous day. The implied volatity was 31.49, the open interest changed by 50 which increased total open position to 129
On 25 Nov GAIL was trading at 199.19. The strike last trading price was 10.15, which was 3.25 higher than the previous day. The implied volatity was 29.18, the open interest changed by 22 which increased total open position to 79
On 22 Nov GAIL was trading at 192.61. The strike last trading price was 6.9, which was 1.60 higher than the previous day. The implied volatity was 30.20, the open interest changed by 20 which increased total open position to 77
On 21 Nov GAIL was trading at 188.30. The strike last trading price was 5.3, which was 0.80 higher than the previous day. The implied volatity was 30.82, the open interest changed by 5 which increased total open position to 56
On 20 Nov GAIL was trading at 186.68. The strike last trading price was 4.5, which was 0.00 lower than the previous day. The implied volatity was 31.15, the open interest changed by 23 which increased total open position to 49
On 19 Nov GAIL was trading at 186.68. The strike last trading price was 4.5, which was 0.35 higher than the previous day. The implied volatity was 31.15, the open interest changed by 21 which increased total open position to 49
On 18 Nov GAIL was trading at 185.46. The strike last trading price was 4.15, which was -1.75 lower than the previous day. The implied volatity was 30.49, the open interest changed by 11 which increased total open position to 27
On 14 Nov GAIL was trading at 188.89. The strike last trading price was 5.9, which was -1.10 lower than the previous day. The implied volatity was 29.58, the open interest changed by 2 which increased total open position to 17
On 13 Nov GAIL was trading at 189.47. The strike last trading price was 7, which was -1.50 lower than the previous day. The implied volatity was 31.66, the open interest changed by 7 which increased total open position to 14
On 12 Nov GAIL was trading at 194.15. The strike last trading price was 8.5, which was -12.20 lower than the previous day. The implied volatity was 28.49, the open interest changed by 6 which increased total open position to 6
On 11 Nov GAIL was trading at 202.93. The strike last trading price was 20.7, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0
On 8 Nov GAIL was trading at 204.17. The strike last trading price was 20.7, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by -1 which decreased total open position to 0
On 7 Nov GAIL was trading at 210.43. The strike last trading price was 20.7, which was 8.45 higher than the previous day. The implied volatity was 28.54, the open interest changed by 0 which decreased total open position to 1
On 6 Nov GAIL was trading at 208.92. The strike last trading price was 12.25, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 1 which increased total open position to 0
On 5 Nov GAIL was trading at 196.41. The strike last trading price was 12.25, which was -32.30 lower than the previous day. The implied volatity was 33.92, the open interest changed by 0 which decreased total open position to 0
On 4 Nov GAIL was trading at 196.19. The strike last trading price was 44.55, which was 44.55 higher than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0
On 1 Nov GAIL was trading at 200.16. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0
On 31 Oct GAIL was trading at 199.99. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to
On 30 Oct GAIL was trading at 203.73. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to
On 22 Oct GAIL was trading at 212.13. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to
On 21 Oct GAIL was trading at 219.65. The strike last trading price was 0, which was lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to
GAIL 26DEC2024 195 PE | |||||||
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Delta: -0.59
Vega: 0.10
Theta: -0.20
Gamma: 0.05
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Date | Close | Ltp | Change | IV | Volume | Change OI | OI |
20 Dec | 192.42 | 3.9 | 0.40 | 29.44 | 10,068.894 | -73.979 | 622.979 |
19 Dec | 193.62 | 3.5 | 0.05 | 26.07 | 4,680.128 | -79.819 | 708.638 |
18 Dec | 193.54 | 3.45 | 1.60 | 27.95 | 6,381.638 | -110.968 | 792.351 |
17 Dec | 199.57 | 1.85 | 1.00 | 28.31 | 2,129.809 | 110.968 | 915 |
16 Dec | 203.82 | 0.85 | 0.20 | 28.79 | 1,222.596 | 62.298 | 802.085 |
13 Dec | 204.90 | 0.65 | -0.15 | 25.03 | 2,223.255 | -15.574 | 739.787 |
12 Dec | 205.22 | 0.8 | -0.15 | 28.19 | 1,012.34 | 21.415 | 753.415 |
11 Dec | 205.82 | 0.95 | 0.10 | 27.99 | 619.085 | -58.404 | 726.16 |
10 Dec | 207.54 | 0.85 | 0.05 | 29.21 | 549 | 21.415 | 790.404 |
9 Dec | 208.67 | 0.8 | 0.00 | 29.43 | 695.011 | -38.936 | 770.936 |
6 Dec | 210.41 | 0.8 | -0.35 | 29.47 | 1,154.457 | -52.564 | 809.872 |
5 Dec | 208.87 | 1.15 | -0.30 | 30.21 | 1,648.947 | -35.043 | 864.383 |
4 Dec | 206.73 | 1.45 | -1.50 | 30.27 | 1,779.383 | 13.628 | 901.372 |
3 Dec | 199.99 | 2.95 | -0.50 | 28.07 | 747.574 | 144.064 | 889.691 |
2 Dec | 198.54 | 3.45 | -0.25 | 27.69 | 1,066.851 | 97.34 | 745.628 |
29 Nov | 199.46 | 3.7 | -1.20 | 28.82 | 1,343.298 | 91.5 | 626.872 |
28 Nov | 196.70 | 4.9 | -1.25 | 31.62 | 1,818.319 | 149.904 | 533.426 |
27 Nov | 194.88 | 6.15 | -0.75 | 31.74 | 473.074 | 134.33 | 383.521 |
26 Nov | 193.97 | 6.9 | 2.35 | 32.38 | 434.138 | 118.755 | 249.191 |
25 Nov | 199.19 | 4.55 | -2.95 | 31.51 | 270.606 | 109.021 | 130.436 |
22 Nov | 192.61 | 7.5 | -2.95 | 31.09 | 64.245 | 46.723 | 68.138 |
21 Nov | 188.30 | 10.45 | 0.45 | 34.31 | 7.787 | 0 | 21.415 |
20 Nov | 186.68 | 10 | 0.00 | 24.22 | 1.947 | 0 | 21.415 |
19 Nov | 186.68 | 10 | -2.45 | 24.22 | 1.947 | 0 | 21.415 |
18 Nov | 185.46 | 12.45 | 2.15 | 32.59 | 3.894 | 1.947 | 23.362 |
14 Nov | 188.89 | 10.3 | 0.00 | 32.07 | 1.947 | 0 | 21.415 |
13 Nov | 189.47 | 10.3 | 2.80 | 33.88 | 23.362 | 1.947 | 21.415 |
12 Nov | 194.15 | 7.5 | 3.40 | 30.71 | 19.468 | 11.681 | 17.521 |
11 Nov | 202.93 | 4.1 | 1.40 | 29.90 | 3.894 | 1.947 | 5.84 |
8 Nov | 204.17 | 2.7 | 0.00 | 0.00 | 0 | 1.947 | 0 |
7 Nov | 210.43 | 2.7 | -1.25 | 30.92 | 3.894 | 1.947 | 3.894 |
6 Nov | 208.92 | 3.95 | -1.50 | 34.41 | 1.947 | 0 | 0 |
5 Nov | 196.41 | 5.45 | 0.00 | 2.10 | 0 | 0 | 0 |
4 Nov | 196.19 | 5.45 | 0.00 | 1.84 | 0 | 0 | 0 |
1 Nov | 200.16 | 5.45 | 0.00 | 3.29 | 0 | 0 | 0 |
31 Oct | 199.99 | 5.45 | 0.00 | - | 0 | 0 | 0 |
30 Oct | 203.73 | 5.45 | 5.45 | - | 0 | 0 | 0 |
22 Oct | 212.13 | 0 | 0.00 | - | 0 | 0 | 0 |
21 Oct | 219.65 | 0 | - | 0 | 0 | 0 |
For Gail (India) Ltd - strike price 195 expiring on 26DEC2024
Delta for 195 PE is -0.59
Historical price for 195 PE is as follows
On 20 Dec GAIL was trading at 192.42. The strike last trading price was 3.9, which was 0.40 higher than the previous day. The implied volatity was 29.44, the open interest changed by -38 which decreased total open position to 320
On 19 Dec GAIL was trading at 193.62. The strike last trading price was 3.5, which was 0.05 higher than the previous day. The implied volatity was 26.07, the open interest changed by -41 which decreased total open position to 364
On 18 Dec GAIL was trading at 193.54. The strike last trading price was 3.45, which was 1.60 higher than the previous day. The implied volatity was 27.95, the open interest changed by -57 which decreased total open position to 407
On 17 Dec GAIL was trading at 199.57. The strike last trading price was 1.85, which was 1.00 higher than the previous day. The implied volatity was 28.31, the open interest changed by 57 which increased total open position to 470
On 16 Dec GAIL was trading at 203.82. The strike last trading price was 0.85, which was 0.20 higher than the previous day. The implied volatity was 28.79, the open interest changed by 32 which increased total open position to 412
On 13 Dec GAIL was trading at 204.90. The strike last trading price was 0.65, which was -0.15 lower than the previous day. The implied volatity was 25.03, the open interest changed by -8 which decreased total open position to 380
On 12 Dec GAIL was trading at 205.22. The strike last trading price was 0.8, which was -0.15 lower than the previous day. The implied volatity was 28.19, the open interest changed by 11 which increased total open position to 387
On 11 Dec GAIL was trading at 205.82. The strike last trading price was 0.95, which was 0.10 higher than the previous day. The implied volatity was 27.99, the open interest changed by -30 which decreased total open position to 373
On 10 Dec GAIL was trading at 207.54. The strike last trading price was 0.85, which was 0.05 higher than the previous day. The implied volatity was 29.21, the open interest changed by 11 which increased total open position to 406
On 9 Dec GAIL was trading at 208.67. The strike last trading price was 0.8, which was 0.00 lower than the previous day. The implied volatity was 29.43, the open interest changed by -20 which decreased total open position to 396
On 6 Dec GAIL was trading at 210.41. The strike last trading price was 0.8, which was -0.35 lower than the previous day. The implied volatity was 29.47, the open interest changed by -27 which decreased total open position to 416
On 5 Dec GAIL was trading at 208.87. The strike last trading price was 1.15, which was -0.30 lower than the previous day. The implied volatity was 30.21, the open interest changed by -18 which decreased total open position to 444
On 4 Dec GAIL was trading at 206.73. The strike last trading price was 1.45, which was -1.50 lower than the previous day. The implied volatity was 30.27, the open interest changed by 7 which increased total open position to 463
On 3 Dec GAIL was trading at 199.99. The strike last trading price was 2.95, which was -0.50 lower than the previous day. The implied volatity was 28.07, the open interest changed by 74 which increased total open position to 457
On 2 Dec GAIL was trading at 198.54. The strike last trading price was 3.45, which was -0.25 lower than the previous day. The implied volatity was 27.69, the open interest changed by 50 which increased total open position to 383
On 29 Nov GAIL was trading at 199.46. The strike last trading price was 3.7, which was -1.20 lower than the previous day. The implied volatity was 28.82, the open interest changed by 47 which increased total open position to 322
On 28 Nov GAIL was trading at 196.70. The strike last trading price was 4.9, which was -1.25 lower than the previous day. The implied volatity was 31.62, the open interest changed by 77 which increased total open position to 274
On 27 Nov GAIL was trading at 194.88. The strike last trading price was 6.15, which was -0.75 lower than the previous day. The implied volatity was 31.74, the open interest changed by 69 which increased total open position to 197
On 26 Nov GAIL was trading at 193.97. The strike last trading price was 6.9, which was 2.35 higher than the previous day. The implied volatity was 32.38, the open interest changed by 61 which increased total open position to 128
On 25 Nov GAIL was trading at 199.19. The strike last trading price was 4.55, which was -2.95 lower than the previous day. The implied volatity was 31.51, the open interest changed by 56 which increased total open position to 67
On 22 Nov GAIL was trading at 192.61. The strike last trading price was 7.5, which was -2.95 lower than the previous day. The implied volatity was 31.09, the open interest changed by 24 which increased total open position to 35
On 21 Nov GAIL was trading at 188.30. The strike last trading price was 10.45, which was 0.45 higher than the previous day. The implied volatity was 34.31, the open interest changed by 0 which decreased total open position to 11
On 20 Nov GAIL was trading at 186.68. The strike last trading price was 10, which was 0.00 lower than the previous day. The implied volatity was 24.22, the open interest changed by 0 which decreased total open position to 11
On 19 Nov GAIL was trading at 186.68. The strike last trading price was 10, which was -2.45 lower than the previous day. The implied volatity was 24.22, the open interest changed by 0 which decreased total open position to 11
On 18 Nov GAIL was trading at 185.46. The strike last trading price was 12.45, which was 2.15 higher than the previous day. The implied volatity was 32.59, the open interest changed by 1 which increased total open position to 12
On 14 Nov GAIL was trading at 188.89. The strike last trading price was 10.3, which was 0.00 lower than the previous day. The implied volatity was 32.07, the open interest changed by 0 which decreased total open position to 11
On 13 Nov GAIL was trading at 189.47. The strike last trading price was 10.3, which was 2.80 higher than the previous day. The implied volatity was 33.88, the open interest changed by 1 which increased total open position to 11
On 12 Nov GAIL was trading at 194.15. The strike last trading price was 7.5, which was 3.40 higher than the previous day. The implied volatity was 30.71, the open interest changed by 6 which increased total open position to 9
On 11 Nov GAIL was trading at 202.93. The strike last trading price was 4.1, which was 1.40 higher than the previous day. The implied volatity was 29.90, the open interest changed by 1 which increased total open position to 3
On 8 Nov GAIL was trading at 204.17. The strike last trading price was 2.7, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 1 which increased total open position to 0
On 7 Nov GAIL was trading at 210.43. The strike last trading price was 2.7, which was -1.25 lower than the previous day. The implied volatity was 30.92, the open interest changed by 1 which increased total open position to 2
On 6 Nov GAIL was trading at 208.92. The strike last trading price was 3.95, which was -1.50 lower than the previous day. The implied volatity was 34.41, the open interest changed by 0 which decreased total open position to 0
On 5 Nov GAIL was trading at 196.41. The strike last trading price was 5.45, which was 0.00 lower than the previous day. The implied volatity was 2.10, the open interest changed by 0 which decreased total open position to 0
On 4 Nov GAIL was trading at 196.19. The strike last trading price was 5.45, which was 0.00 lower than the previous day. The implied volatity was 1.84, the open interest changed by 0 which decreased total open position to 0
On 1 Nov GAIL was trading at 200.16. The strike last trading price was 5.45, which was 0.00 lower than the previous day. The implied volatity was 3.29, the open interest changed by 0 which decreased total open position to 0
On 31 Oct GAIL was trading at 199.99. The strike last trading price was 5.45, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to
On 30 Oct GAIL was trading at 203.73. The strike last trading price was 5.45, which was 5.45 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to
On 22 Oct GAIL was trading at 212.13. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to
On 21 Oct GAIL was trading at 219.65. The strike last trading price was 0, which was lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to