Historical option data for NATIONALUM
17 Jun 2026 10:55 AM IST
| NATIONALUM 30-Jun-2026 (13d) 390 CE | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Delta: 0.21
Vega: 0
Theta: -0.31
Gamma: 0.01048
|
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| Date | Close | Ltp | Change | IV | Volume | OI Chg | OI | |||||||||
| 17 Jun | 365.35 | 3.2 | -0.8 (-20.00%) | 39.28 | 1,290 | 163 | 1,477 | |||||||||
| 16 Jun | 366.65 | 3.7 | -4.3 (-53.75%) | 38.88 | 3,903 | 232 | 1,314 | |||||||||
| 15 Jun | 382.35 | 8.45 | 1.45 (20.71%) | 35.12 | 3,790 | 334 | 1,081 | |||||||||
| 12 Jun | 376.85 | 7 | 1 (16.67%) | 36.29 | 1,676 | 93 | 749 | |||||||||
| 11 Jun | 370.60 | 6.45 | -1.55 (-19.37%) | 37.77 | 1,168 | 134 | 658 | |||||||||
| 10 Jun | 376.15 | 8.5 | -3.5 (-29.17%) | 38.12 | 1,277 | 19 | 524 | |||||||||
| 9 Jun | 383.90 | 12.05 | 2.05 (20.50%) | 37.37 | 1,806 | 110 | 512 | |||||||||
| 8 Jun | 378.20 | 10.1 | -8.9 (-46.84%) | 41.12 | 1,448 | 189 | 379 | |||||||||
| 5 Jun | 395.70 | 18.85 | -13.15 (-41.09%) | 36.08 | 336 | 152 | 189 | |||||||||
| 4 Jun | 414.00 | 31.9 | -17 (-34.76%) | 38.47 | 3 | 1 | 36 | |||||||||
| 3 Jun | 436.90 | 53.2 | 0 (0.00%) | 43.49 | 4 | 0 | 35 | |||||||||
| 2 Jun | 434.40 | 48.9 | -1.95 (-3.83%) | 43.49 | 4 | -1 | 35 | |||||||||
| 1 Jun | 434.20 | 50.8 | 9.15 (21.97%) | 39.22 | 16 | 3 | 34 | |||||||||
| 29 May | 424.45 | 39.95 | -10.4 (-20.66%) | 35.04 | 5 | -1 | 31 | |||||||||
| 27 May | 433.05 | 50.35 | 20.35 (67.83%) | 33.22 | 18 | -3 | 32 | |||||||||
| 26 May | 416.20 | 30 | 4.95 (19.76%) | 32.51 | 2 | -1 | 35 | |||||||||
| 25 May | 403.00 | 25.05 | -2.95 (-10.54%) | 33.01 | 29 | 13 | 35 | |||||||||
| 22 May | 409.25 | 28.3 | 0.3 (1.07%) | 32.73 | 13 | 5 | 21 | |||||||||
| 21 May | 406.40 | 27.8 | 0.8 (2.96%) | 32.17 | 10 | 4 | 14 | |||||||||
| 20 May | 402.40 | 26.65 | 2.65 (11.04%) | 33.93 | 14 | 6 | 10 | |||||||||
| 19 May | 398.95 | 23.55 | -4.45 (-15.89%) | 35.07 | 2 | 1 | 4 | |||||||||
| 18 May | 400.45 | 28.5 | 0.5 (1.79%) | - | 0 | 0 | 3 | |||||||||
| 15 May | 403.60 | 28.5 | -6.5 (-18.57%) | 33.58 | 2 | 2 | 3 | |||||||||
| 14 May | 416.45 | 35 | 3 (9.38%) | 0 | 1 | 0 | 1 | |||||||||
| 13 May | 408.25 | 32 | 0 (0.00%) | 0 | 0 | 0 | 1 | |||||||||
| 12 May | 394.05 | 32 | 0 (0.00%) | 0 | 0 | 0 | 1 | |||||||||
| 11 May | 393.05 | 32 | 0 (0.00%) | 0 | 0 | 0 | 1 | |||||||||
| 8 May | 401.95 | 32 | -10.95 (-25.49%) | - | 0 | 0 | 1 | |||||||||
| 7 May | 403.50 | 32 | -10.95 (-25.49%) | 32.71 | 0 | 0 | 1 | |||||||||
| 6 May | 406.55 | 32 | -9.65 (-23.17%) | 32.71 | 1 | 0 | 0 | |||||||||
| 5 May | 413.60 | 0 | 0 | - | 0 | 0 | 0 | |||||||||
| 4 May | 407.80 | 0 | 0 | - | 0 | 0 | 0 | |||||||||
| 30 Apr | 399.30 | 0 | 0 | - | 0 | 0 | 0 | |||||||||
| 29 Apr | 433.30 | - | - | - | 0 | 0 | 0 | |||||||||
| 28 Apr | 441.50 | - | - | - | 0 | 0 | 0 | |||||||||
| 27 Apr | 441.00 | - | - | - | 0 | 0 | 0 | |||||||||
| 24 Apr | 437.05 | - | - | - | 0 | 0 | 0 | |||||||||
| 23 Apr | 439.25 | - | - | - | 0 | 0 | 0 | |||||||||
| 22 Apr | 435.95 | 0 | 0 | - | 0 | 0 | 0 | |||||||||
| 21 Apr | 422.95 | 0 | 0 | - | 0 | 0 | 0 | |||||||||
| 20 Apr | 426.65 | 0 | 0 | - | 0 | 0 | 0 | |||||||||
| 17 Apr | 438.75 | 0 | 0 | - | 0 | 0 | 0 | |||||||||
| 16 Apr | 432.70 | 0 | 0 | - | 0 | 0 | 0 | |||||||||
| 15 Apr | 423.90 | 0 | 0 | - | 0 | 0 | 0 | |||||||||
| 13 Apr | 418.05 | 0 | 0 | - | 0 | 0 | 0 | |||||||||
| 10 Apr | 417.00 | 0 | 0 (0.00%) | - | 0 | 0 | 0 | |||||||||
| 9 Apr | 412.35 | 0 | 0 (0.00%) | - | 0 | 0 | 0 | |||||||||
| 8 Apr | 400.15 | 0 | 0 (0.00%) | - | 0 | 0 | 0 | |||||||||
| 7 Apr | 411.75 | 0 | 0 (0.00%) | - | 0 | 0 | 0 | |||||||||
| 6 Apr | 407.85 | 0 | 0 (0.00%) | - | 0 | 0 | 0 | |||||||||
| 2 Apr | 401.80 | 0 | 0 (0.00%) | - | 0 | 0 | 0 | |||||||||
For National Aluminium Co Ltd - strike price 390 expiring on 30JUN2026
Delta for 390 CE is 0.21
Historical price for 390 CE is as follows
On 17 Jun NATIONALUM was trading at 365.35. The strike last trading price was 3.2, which was -0.8 lower than the previous day. The implied volatity was 39.28, the open interest changed by 163 which increased total open position to 1477
On 16 Jun NATIONALUM was trading at 366.65. The strike last trading price was 3.7, which was -4.3 lower than the previous day. The implied volatity was 38.88, the open interest changed by 232 which increased total open position to 1314
On 15 Jun NATIONALUM was trading at 382.35. The strike last trading price was 8.45, which was 1.45 higher than the previous day. The implied volatity was 35.12, the open interest changed by 334 which increased total open position to 1081
On 12 Jun NATIONALUM was trading at 376.85. The strike last trading price was 7, which was 1 higher than the previous day. The implied volatity was 36.29, the open interest changed by 93 which increased total open position to 749
On 11 Jun NATIONALUM was trading at 370.60. The strike last trading price was 6.45, which was -1.55 lower than the previous day. The implied volatity was 37.77, the open interest changed by 134 which increased total open position to 658
On 10 Jun NATIONALUM was trading at 376.15. The strike last trading price was 8.5, which was -3.5 lower than the previous day. The implied volatity was 38.12, the open interest changed by 19 which increased total open position to 524
On 9 Jun NATIONALUM was trading at 383.90. The strike last trading price was 12.05, which was 2.05 higher than the previous day. The implied volatity was 37.37, the open interest changed by 110 which increased total open position to 512
On 8 Jun NATIONALUM was trading at 378.20. The strike last trading price was 10.1, which was -8.9 lower than the previous day. The implied volatity was 41.12, the open interest changed by 189 which increased total open position to 379
On 5 Jun NATIONALUM was trading at 395.70. The strike last trading price was 18.85, which was -13.15 lower than the previous day. The implied volatity was 36.08, the open interest changed by 152 which increased total open position to 189
On 4 Jun NATIONALUM was trading at 414.00. The strike last trading price was 31.9, which was -17 lower than the previous day. The implied volatity was 38.47, the open interest changed by 1 which increased total open position to 36
On 3 Jun NATIONALUM was trading at 436.90. The strike last trading price was 53.2, which was 0 lower than the previous day. The implied volatity was 43.49, the open interest changed by 0 which decreased total open position to 35
On 2 Jun NATIONALUM was trading at 434.40. The strike last trading price was 48.9, which was -1.95 lower than the previous day. The implied volatity was 43.49, the open interest changed by -1 which decreased total open position to 35
On 1 Jun NATIONALUM was trading at 434.20. The strike last trading price was 50.8, which was 9.15 higher than the previous day. The implied volatity was 39.22, the open interest changed by 3 which increased total open position to 34
On 29 May NATIONALUM was trading at 424.45. The strike last trading price was 39.95, which was -10.4 lower than the previous day. The implied volatity was 35.04, the open interest changed by -1 which decreased total open position to 31
On 27 May NATIONALUM was trading at 433.05. The strike last trading price was 50.35, which was 20.35 higher than the previous day. The implied volatity was 33.22, the open interest changed by -3 which decreased total open position to 32
On 26 May NATIONALUM was trading at 416.20. The strike last trading price was 30, which was 4.95 higher than the previous day. The implied volatity was 32.51, the open interest changed by -1 which decreased total open position to 35
On 25 May NATIONALUM was trading at 403.00. The strike last trading price was 25.05, which was -2.95 lower than the previous day. The implied volatity was 33.01, the open interest changed by 13 which increased total open position to 35
On 22 May NATIONALUM was trading at 409.25. The strike last trading price was 28.3, which was 0.3 higher than the previous day. The implied volatity was 32.73, the open interest changed by 5 which increased total open position to 21
On 21 May NATIONALUM was trading at 406.40. The strike last trading price was 27.8, which was 0.8 higher than the previous day. The implied volatity was 32.17, the open interest changed by 4 which increased total open position to 14
On 20 May NATIONALUM was trading at 402.40. The strike last trading price was 26.65, which was 2.65 higher than the previous day. The implied volatity was 33.93, the open interest changed by 6 which increased total open position to 10
On 19 May NATIONALUM was trading at 398.95. The strike last trading price was 23.55, which was -4.45 lower than the previous day. The implied volatity was 35.07, the open interest changed by 1 which increased total open position to 4
On 18 May NATIONALUM was trading at 400.45. The strike last trading price was 28.5, which was 0.5 higher than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 3
On 15 May NATIONALUM was trading at 403.60. The strike last trading price was 28.5, which was -6.5 lower than the previous day. The implied volatity was 33.58, the open interest changed by 2 which increased total open position to 3
On 14 May NATIONALUM was trading at 416.45. The strike last trading price was 35, which was 3 higher than the previous day. The implied volatity was 0, the open interest changed by 0 which decreased total open position to 1
On 13 May NATIONALUM was trading at 408.25. The strike last trading price was 32, 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 1
On 12 May NATIONALUM was trading at 394.05. The strike last trading price was 32, 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 1
On 11 May NATIONALUM was trading at 393.05. The strike last trading price was 32, 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 1
On 8 May NATIONALUM was trading at 401.95. The strike last trading price was 32, which was -10.95 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 1
On 7 May NATIONALUM was trading at 403.50. The strike last trading price was 32, which was -10.95 lower than the previous day. The implied volatity was 32.71, the open interest changed by 0 which decreased total open position to 1
On 6 May NATIONALUM was trading at 406.55. The strike last trading price was 32, which was -9.65 lower than the previous day. The implied volatity was 32.71, the open interest changed by 0 which decreased total open position to 0
On 5 May NATIONALUM was trading at 413.60. 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 4 May NATIONALUM was trading at 407.80. 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 30 Apr NATIONALUM was trading at 399.30. 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 29 Apr NATIONALUM was trading at 433.30. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0
On 28 Apr NATIONALUM was trading at 441.50. The strike last trading price was -, which was - 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 NATIONALUM was trading at 441.00. The strike last trading price was -, which was - 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 NATIONALUM was trading at 437.05. The strike last trading price was -, which was - 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 NATIONALUM was trading at 439.25. The strike last trading price was -, which was - 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 NATIONALUM was trading at 435.95. 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 NATIONALUM was trading at 422.95. 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 NATIONALUM was trading at 426.65. 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 NATIONALUM was trading at 438.75. 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 NATIONALUM was trading at 432.70. 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 15 Apr NATIONALUM was trading at 423.90. 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 NATIONALUM was trading at 418.05. 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 NATIONALUM was trading at 417.00. 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 NATIONALUM was trading at 412.35. 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 8 Apr NATIONALUM was trading at 400.15. 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 NATIONALUM was trading at 411.75. 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 NATIONALUM was trading at 407.85. 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 NATIONALUM was trading at 401.80. 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
| NATIONALUM 30-Jun-2026 (13d) 390 PE | |||||||
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Delta: -0.81
Vega: 0
Theta: -0.19
Gamma: 0.01141
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| Date | Close | Ltp | Change | IV | Volume | OI Chg | OI |
| 17 Jun | 365.35 | 24.7 | -0.35 (-1.40%) | 33.57 | 23 | -1 | 433 |
| 16 Jun | 366.65 | 25.35 | 10.95 (76.04%) | 35.42 | 216 | -35 | 433 |
| 15 Jun | 382.35 | 14.3 | -4.3 (-23.12%) | 34.79 | 511 | -196 | 470 |
| 12 Jun | 376.85 | 19.6 | -3.2 (-14.04%) | 35.05 | 215 | -29 | 665 |
| 11 Jun | 370.60 | 22.5 | 1.95 (9.49%) | 34.9 | 106 | -19 | 694 |
| 10 Jun | 376.15 | 20.3 | 5.15 (33.99%) | 35.64 | 223 | 70 | 714 |
| 9 Jun | 383.90 | 15.1 | -4.55 (-23.16%) | 34.94 | 261 | -4 | 643 |
| 8 Jun | 378.20 | 21.45 | 10.25 (91.52%) | 38.21 | 914 | 107 | 647 |
| 5 Jun | 395.70 | 11.2 | 5.35 (91.45%) | 35.47 | 1,324 | 56 | 540 |
| 4 Jun | 414.00 | 5.95 | 3.6 (153.19%) | 35.69 | 409 | 44 | 483 |
| 3 Jun | 436.90 | 2.35 | 0.05 (2.17%) | 36.01 | 131 | 6 | 440 |
| 2 Jun | 434.40 | 2.25 | -0.3 (-11.76%) | 34.11 | 598 | 141 | 433 |
| 1 Jun | 434.20 | 2.45 | -1.35 (-35.53%) | 34.85 | 262 | 31 | 295 |
| 29 May | 424.45 | 4 | 1.4 (53.85%) | 33.02 | 479 | 48 | 264 |
| 27 May | 433.05 | 2.7 | -3.05 (-53.04%) | 32.51 | 454 | 33 | 215 |
| 26 May | 416.20 | 5.65 | -4 (-41.45%) | 32.75 | 296 | 50 | 181 |
| 25 May | 403.00 | 9.75 | 0.85 (9.55%) | 32.93 | 76 | 11 | 130 |
| 22 May | 409.25 | 8.8 | -1.15 (-11.56%) | 33.41 | 83 | 34 | 117 |
| 21 May | 406.40 | 9.7 | -1.95 (-16.74%) | 33.53 | 48 | 9 | 83 |
| 20 May | 402.40 | 11.65 | -1.85 (-13.70%) | 34.12 | 32 | 8 | 74 |
| 19 May | 398.95 | 13.5 | -0.5 (-3.57%) | 34.8 | 86 | 39 | 66 |
| 18 May | 400.45 | 14 | 0.8 (6.06%) | 35.94 | 20 | 9 | 26 |
| 15 May | 403.60 | 13.2 | 4.25 (47.49%) | 36.19 | 18 | 4 | 16 |
| 14 May | 416.45 | 8.85 | -2.75 (-23.71%) | 35.21 | 12 | 4 | 11 |
| 13 May | 408.25 | 11.6 | -7.45 (-39.11%) | 0 | 6 | 5 | 7 |
| 12 May | 394.05 | 19.05 | 0 (0.00%) | 0 | 0 | 0 | 2 |
| 11 May | 393.05 | 19.05 | 5.05 (36.07%) | 0 | 1 | 0 | 2 |
| 8 May | 401.95 | 14 | 14 | - | 0 | 0 | 2 |
| 7 May | 403.50 | 14 | 14 (-63.73%) | 36.98 | 0 | 0 | 2 |
| 6 May | 406.55 | 14 | -24.6 (-63.73%) | 36.98 | 3 | 2 | 2 |
| 5 May | 413.60 | 0 | 0 | - | 0 | 0 | 0 |
| 4 May | 407.80 | 0 | 0 | - | 0 | 0 | 0 |
| 30 Apr | 399.30 | 0 | 0 | - | 0 | 0 | 0 |
| 29 Apr | 433.30 | - | - | - | 0 | 0 | 0 |
| 28 Apr | 441.50 | - | - | - | 0 | 0 | 0 |
| 27 Apr | 441.00 | - | - | - | 0 | 0 | 0 |
| 24 Apr | 437.05 | - | - | - | 0 | 0 | 0 |
| 23 Apr | 439.25 | - | - | - | 0 | 0 | 0 |
| 22 Apr | 435.95 | 0 | 0 | - | 0 | 0 | 0 |
| 21 Apr | 422.95 | 0 | 0 | - | 0 | 0 | 0 |
| 20 Apr | 426.65 | 0 | 0 | - | 0 | 0 | 0 |
| 17 Apr | 438.75 | 0 | 0 | - | 0 | 0 | 0 |
| 16 Apr | 432.70 | 0 | 0 | - | 0 | 0 | 0 |
| 15 Apr | 423.90 | 0 | 0 | - | 0 | 0 | 0 |
| 13 Apr | 418.05 | 0 | 0 | - | 0 | 0 | 0 |
| 10 Apr | 417.00 | 38.6 | 0 (0.00%) | 5.24 | 0 | 0 | 0 |
| 9 Apr | 412.35 | 38.6 | 0 (0.00%) | 4.93 | 0 | 0 | 0 |
| 8 Apr | 400.15 | 38.6 | 0 (0.00%) | 3.07 | 0 | 0 | 0 |
| 7 Apr | 411.75 | 0 | 0 (0.00%) | 4.85 | 0 | 0 | 0 |
| 6 Apr | 407.85 | 0 | 0 (0.00%) | 4.27 | 0 | 0 | 0 |
| 2 Apr | 401.80 | 0 | 0 (0.00%) | 3.29 | 0 | 0 | 0 |
For National Aluminium Co Ltd - strike price 390 expiring on 30JUN2026
Delta for 390 PE is -0.81
Historical price for 390 PE is as follows
On 17 Jun NATIONALUM was trading at 365.35. The strike last trading price was 24.7, which was -0.35 lower than the previous day. The implied volatity was 33.57, the open interest changed by -1 which decreased total open position to 433
On 16 Jun NATIONALUM was trading at 366.65. The strike last trading price was 25.35, which was 10.95 higher than the previous day. The implied volatity was 35.42, the open interest changed by -35 which decreased total open position to 433
On 15 Jun NATIONALUM was trading at 382.35. The strike last trading price was 14.3, which was -4.3 lower than the previous day. The implied volatity was 34.79, the open interest changed by -196 which decreased total open position to 470
On 12 Jun NATIONALUM was trading at 376.85. The strike last trading price was 19.6, which was -3.2 lower than the previous day. The implied volatity was 35.05, the open interest changed by -29 which decreased total open position to 665
On 11 Jun NATIONALUM was trading at 370.60. The strike last trading price was 22.5, which was 1.95 higher than the previous day. The implied volatity was 34.9, the open interest changed by -19 which decreased total open position to 694
On 10 Jun NATIONALUM was trading at 376.15. The strike last trading price was 20.3, which was 5.15 higher than the previous day. The implied volatity was 35.64, the open interest changed by 70 which increased total open position to 714
On 9 Jun NATIONALUM was trading at 383.90. The strike last trading price was 15.1, which was -4.55 lower than the previous day. The implied volatity was 34.94, the open interest changed by -4 which decreased total open position to 643
On 8 Jun NATIONALUM was trading at 378.20. The strike last trading price was 21.45, which was 10.25 higher than the previous day. The implied volatity was 38.21, the open interest changed by 107 which increased total open position to 647
On 5 Jun NATIONALUM was trading at 395.70. The strike last trading price was 11.2, which was 5.35 higher than the previous day. The implied volatity was 35.47, the open interest changed by 56 which increased total open position to 540
On 4 Jun NATIONALUM was trading at 414.00. The strike last trading price was 5.95, which was 3.6 higher than the previous day. The implied volatity was 35.69, the open interest changed by 44 which increased total open position to 483
On 3 Jun NATIONALUM was trading at 436.90. The strike last trading price was 2.35, which was 0.05 higher than the previous day. The implied volatity was 36.01, the open interest changed by 6 which increased total open position to 440
On 2 Jun NATIONALUM was trading at 434.40. The strike last trading price was 2.25, which was -0.3 lower than the previous day. The implied volatity was 34.11, the open interest changed by 141 which increased total open position to 433
On 1 Jun NATIONALUM was trading at 434.20. The strike last trading price was 2.45, which was -1.35 lower than the previous day. The implied volatity was 34.85, the open interest changed by 31 which increased total open position to 295
On 29 May NATIONALUM was trading at 424.45. The strike last trading price was 4, which was 1.4 higher than the previous day. The implied volatity was 33.02, the open interest changed by 48 which increased total open position to 264
On 27 May NATIONALUM was trading at 433.05. The strike last trading price was 2.7, which was -3.05 lower than the previous day. The implied volatity was 32.51, the open interest changed by 33 which increased total open position to 215
On 26 May NATIONALUM was trading at 416.20. The strike last trading price was 5.65, which was -4 lower than the previous day. The implied volatity was 32.75, the open interest changed by 50 which increased total open position to 181
On 25 May NATIONALUM was trading at 403.00. The strike last trading price was 9.75, which was 0.85 higher than the previous day. The implied volatity was 32.93, the open interest changed by 11 which increased total open position to 130
On 22 May NATIONALUM was trading at 409.25. The strike last trading price was 8.8, which was -1.15 lower than the previous day. The implied volatity was 33.41, the open interest changed by 34 which increased total open position to 117
On 21 May NATIONALUM was trading at 406.40. The strike last trading price was 9.7, which was -1.95 lower than the previous day. The implied volatity was 33.53, the open interest changed by 9 which increased total open position to 83
On 20 May NATIONALUM was trading at 402.40. The strike last trading price was 11.65, which was -1.85 lower than the previous day. The implied volatity was 34.12, the open interest changed by 8 which increased total open position to 74
On 19 May NATIONALUM was trading at 398.95. The strike last trading price was 13.5, which was -0.5 lower than the previous day. The implied volatity was 34.8, the open interest changed by 39 which increased total open position to 66
On 18 May NATIONALUM was trading at 400.45. The strike last trading price was 14, which was 0.8 higher than the previous day. The implied volatity was 35.94, the open interest changed by 9 which increased total open position to 26
On 15 May NATIONALUM was trading at 403.60. The strike last trading price was 13.2, which was 4.25 higher than the previous day. The implied volatity was 36.19, the open interest changed by 4 which increased total open position to 16
On 14 May NATIONALUM was trading at 416.45. The strike last trading price was 8.85, which was -2.75 lower than the previous day. The implied volatity was 35.21, the open interest changed by 4 which increased total open position to 11
On 13 May NATIONALUM was trading at 408.25. The strike last trading price was 11.6, which was -7.45 lower than the previous day. The implied volatity was 0, the open interest changed by 5 which increased total open position to 7
On 12 May NATIONALUM was trading at 394.05. The strike last trading price was 19.05, 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 2
On 11 May NATIONALUM was trading at 393.05. The strike last trading price was 19.05, which was 5.05 higher than the previous day. The implied volatity was 0, the open interest changed by 0 which decreased total open position to 2
On 8 May NATIONALUM was trading at 401.95. The strike last trading price was 14, which was 14 higher than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 2
On 7 May NATIONALUM was trading at 403.50. The strike last trading price was 14, which was 14 higher than the previous day. The implied volatity was 36.98, the open interest changed by 0 which decreased total open position to 2
On 6 May NATIONALUM was trading at 406.55. The strike last trading price was 14, which was -24.6 lower than the previous day. The implied volatity was 36.98, the open interest changed by 2 which increased total open position to 2
On 5 May NATIONALUM was trading at 413.60. 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 4 May NATIONALUM was trading at 407.80. 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 30 Apr NATIONALUM was trading at 399.30. 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 29 Apr NATIONALUM was trading at 433.30. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0
On 28 Apr NATIONALUM was trading at 441.50. The strike last trading price was -, which was - 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 NATIONALUM was trading at 441.00. The strike last trading price was -, which was - 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 NATIONALUM was trading at 437.05. The strike last trading price was -, which was - 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 NATIONALUM was trading at 439.25. The strike last trading price was -, which was - 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 NATIONALUM was trading at 435.95. 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 NATIONALUM was trading at 422.95. 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 NATIONALUM was trading at 426.65. 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 NATIONALUM was trading at 438.75. 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 NATIONALUM was trading at 432.70. 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 15 Apr NATIONALUM was trading at 423.90. 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 NATIONALUM was trading at 418.05. 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 NATIONALUM was trading at 417.00. The strike last trading price was 38.6, which was 0 lower than the previous day. The implied volatity was 5.24, the open interest changed by 0 which decreased total open position to 0
On 9 Apr NATIONALUM was trading at 412.35. The strike last trading price was 38.6, which was 0 lower than the previous day. The implied volatity was 4.93, the open interest changed by 0 which decreased total open position to 0
On 8 Apr NATIONALUM was trading at 400.15. The strike last trading price was 38.6, which was 0 lower than the previous day. The implied volatity was 3.07, the open interest changed by 0 which decreased total open position to 0
On 7 Apr NATIONALUM was trading at 411.75. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was 4.85, the open interest changed by 0 which decreased total open position to 0
On 6 Apr NATIONALUM was trading at 407.85. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was 4.27, the open interest changed by 0 which decreased total open position to 0
On 2 Apr NATIONALUM was trading at 401.80. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was 3.29, the open interest changed by 0 which decreased total open position to 0
