Historical option data for NATIONALUM
23 Jun 2026 04:10 PM IST
| NATIONALUM 30-Jun-2026 (6d) 430 CE | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Delta: 0.01
Vega: 0
Theta: -0.08
Gamma: 0.0012
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| Date | Close | Ltp | Change | IV | Volume | OI Chg | OI | |||||||||
| 23 Jun | 355.40 | 0.15 | 0.15 | 60.35 | 331 | -157 | 1,020 | |||||||||
| 22 Jun | 377.95 | 0.35 | 0.35 | 45.67 | 506 | -123 | 1,177 | |||||||||
| 19 Jun | 376.00 | 0.45 | 0.45 (-60.00%) | 42.26 | 745 | 23 | 1,335 | |||||||||
| 18 Jun | 367.75 | 0.4 | -0.6 (-60.00%) | 45.03 | 607 | -18 | 1,314 | |||||||||
| 17 Jun | 370.00 | 0.65 | -0.35 (-35.00%) | 45.05 | 867 | -8 | 1,345 | |||||||||
| 16 Jun | 366.65 | 0.65 | -0.35 (-35.00%) | 46.42 | 1,256 | 101 | 1,354 | |||||||||
| 15 Jun | 382.35 | 1.4 | 0.4 (40.00%) | 40.81 | 759 | 83 | 1,253 | |||||||||
| 12 Jun | 376.85 | 1.4 | 0.4 (40.00%) | 42.03 | 563 | -15 | 1,172 | |||||||||
| 11 Jun | 370.60 | 1.35 | -0.65 (-32.50%) | 43.6 | 498 | -10 | 1,186 | |||||||||
| 10 Jun | 376.15 | 1.7 | -1.3 (-43.33%) | 41.2 | 628 | 42 | 1,195 | |||||||||
| 9 Jun | 383.90 | 2.6 | -0.4 (-13.33%) | 39.94 | 912 | 35 | 1,195 | |||||||||
| 8 Jun | 378.20 | 2.45 | -2.55 (-51.00%) | 43.86 | 1,482 | 174 | 1,160 | |||||||||
| 5 Jun | 395.70 | 5.3 | -5.55 (-51.15%) | 38.74 | 2,211 | 258 | 986 | |||||||||
| 4 Jun | 414.00 | 10.5 | -11 (-51.16%) | 37.62 | 1,671 | 214 | 729 | |||||||||
| 3 Jun | 436.90 | 21.4 | 0.55 (2.64%) | 36.56 | 397 | -17 | 517 | |||||||||
| 2 Jun | 434.40 | 20.6 | -0.5 (-2.37%) | 35.93 | 1,385 | -63 | 535 | |||||||||
| 1 Jun | 434.20 | 21.9 | 7.05 (47.47%) | 35.63 | 1,799 | -58 | 618 | |||||||||
| 29 May | 424.45 | 14.6 | -5.2 (-26.26%) | 33.36 | 1,428 | 116 | 673 | |||||||||
| 27 May | 433.05 | 20.35 | 8.7 (74.68%) | 33.14 | 5,067 | 91 | 557 | |||||||||
| 26 May | 416.20 | 12 | 4.3 (55.84%) | 31.47 | 1,163 | -61 | 416 | |||||||||
| 25 May | 403.00 | 7.7 | -2.3 (-23.00%) | 32.79 | 451 | 251 | 449 | |||||||||
| 22 May | 409.25 | 10.1 | 0.1 (1.00%) | 32.57 | 243 | 96 | 208 | |||||||||
| 21 May | 406.40 | 9.45 | 0.45 (5.00%) | 32.58 | 107 | 37 | 110 | |||||||||
| 20 May | 402.40 | 8.75 | 0.75 (9.38%) | 33.43 | 43 | 15 | 73 | |||||||||
| 19 May | 398.95 | 8.45 | -0.55 (-6.11%) | 34.49 | 32 | 6 | 57 | |||||||||
| 18 May | 400.45 | 9.25 | -1.75 (-15.91%) | 35.13 | 39 | 10 | 50 | |||||||||
| 15 May | 403.60 | 10.45 | -6.4 (-37.98%) | 33.93 | 28 | 7 | 39 | |||||||||
| 14 May | 416.45 | 16.5 | 1.4 (9.27%) | 34.94 | 35 | 18 | 33 | |||||||||
| 13 May | 408.25 | 15.1 | 5.3 (54.08%) | 0 | 15 | 3 | 15 | |||||||||
| 12 May | 394.05 | 9.8 | 0 (0.00%) | 0 | 0 | 0 | 12 | |||||||||
| 11 May | 393.05 | 9.8 | -1.25 (-11.31%) | 0 | 5 | 2 | 12 | |||||||||
| 8 May | 401.95 | 11.05 | -1.95 (-15.00%) | 32.87 | 4 | -1 | 9 | |||||||||
| 7 May | 403.50 | 13 | -1.15 (-8.13%) | 34.19 | 3 | 0 | 8 | |||||||||
| 6 May | 406.55 | 14.15 | -0.25 (-1.74%) | 33.82 | 3 | 0 | 7 | |||||||||
| 5 May | 413.60 | 14.4 | 0 (0.00%) | 33.65 | 0 | 0 | 7 | |||||||||
| 4 May | 407.80 | 14.4 | 1.4 (10.77%) | 33.65 | 1 | 6 | 7 | |||||||||
| 30 Apr | 399.30 | 13 | -15 (-53.57%) | 37.64 | 9 | 6 | 7 | |||||||||
| 13 Apr | 418.05 | - | - | - | 0 | 0 | 0 | |||||||||
| 10 Apr | 417.00 | 0 | 0 (0.00%) | 0.95 | 0 | 0 | 0 | |||||||||
| 9 Apr | 412.35 | 0 | 0 (0.00%) | 1.27 | 0 | 0 | 0 | |||||||||
| 8 Apr | 400.15 | 0 | 0 (0.00%) | 2.68 | 0 | 0 | 0 | |||||||||
| 7 Apr | 411.75 | 0 | 0 (0.00%) | - | 0 | 0 | 0 | |||||||||
| 6 Apr | 407.85 | 0 | 0 (0.00%) | 1.86 | 0 | 0 | 0 | |||||||||
| 2 Apr | 401.80 | 0 | 0 (0.00%) | 2.74 | 0 | 0 | 0 | |||||||||
For National Aluminium Co Ltd - strike price 430 expiring on 30JUN2026
Delta for 430 CE is 0.01
Historical price for 430 CE is as follows
On 23 Jun NATIONALUM was trading at 355.40. The strike last trading price was 0.15, which was 0.15 higher than the previous day. The implied volatity was 60.35, the open interest changed by -157 which decreased total open position to 1020
On 22 Jun NATIONALUM was trading at 377.95. The strike last trading price was 0.35, which was 0.35 higher than the previous day. The implied volatity was 45.67, the open interest changed by -123 which decreased total open position to 1177
On 19 Jun NATIONALUM was trading at 376.00. The strike last trading price was 0.45, which was 0.45 higher than the previous day. The implied volatity was 42.26, the open interest changed by 23 which increased total open position to 1335
On 18 Jun NATIONALUM was trading at 367.75. The strike last trading price was 0.4, which was -0.6 lower than the previous day. The implied volatity was 45.03, the open interest changed by -18 which decreased total open position to 1314
On 17 Jun NATIONALUM was trading at 370.00. The strike last trading price was 0.65, which was -0.35 lower than the previous day. The implied volatity was 45.05, the open interest changed by -8 which decreased total open position to 1345
On 16 Jun NATIONALUM was trading at 366.65. The strike last trading price was 0.65, which was -0.35 lower than the previous day. The implied volatity was 46.42, the open interest changed by 101 which increased total open position to 1354
On 15 Jun NATIONALUM was trading at 382.35. The strike last trading price was 1.4, which was 0.4 higher than the previous day. The implied volatity was 40.81, the open interest changed by 83 which increased total open position to 1253
On 12 Jun NATIONALUM was trading at 376.85. The strike last trading price was 1.4, which was 0.4 higher than the previous day. The implied volatity was 42.03, the open interest changed by -15 which decreased total open position to 1172
On 11 Jun NATIONALUM was trading at 370.60. The strike last trading price was 1.35, which was -0.65 lower than the previous day. The implied volatity was 43.6, the open interest changed by -10 which decreased total open position to 1186
On 10 Jun NATIONALUM was trading at 376.15. The strike last trading price was 1.7, which was -1.3 lower than the previous day. The implied volatity was 41.2, the open interest changed by 42 which increased total open position to 1195
On 9 Jun NATIONALUM was trading at 383.90. The strike last trading price was 2.6, which was -0.4 lower than the previous day. The implied volatity was 39.94, the open interest changed by 35 which increased total open position to 1195
On 8 Jun NATIONALUM was trading at 378.20. The strike last trading price was 2.45, which was -2.55 lower than the previous day. The implied volatity was 43.86, the open interest changed by 174 which increased total open position to 1160
On 5 Jun NATIONALUM was trading at 395.70. The strike last trading price was 5.3, which was -5.55 lower than the previous day. The implied volatity was 38.74, the open interest changed by 258 which increased total open position to 986
On 4 Jun NATIONALUM was trading at 414.00. The strike last trading price was 10.5, which was -11 lower than the previous day. The implied volatity was 37.62, the open interest changed by 214 which increased total open position to 729
On 3 Jun NATIONALUM was trading at 436.90. The strike last trading price was 21.4, which was 0.55 higher than the previous day. The implied volatity was 36.56, the open interest changed by -17 which decreased total open position to 517
On 2 Jun NATIONALUM was trading at 434.40. The strike last trading price was 20.6, which was -0.5 lower than the previous day. The implied volatity was 35.93, the open interest changed by -63 which decreased total open position to 535
On 1 Jun NATIONALUM was trading at 434.20. The strike last trading price was 21.9, which was 7.05 higher than the previous day. The implied volatity was 35.63, the open interest changed by -58 which decreased total open position to 618
On 29 May NATIONALUM was trading at 424.45. The strike last trading price was 14.6, which was -5.2 lower than the previous day. The implied volatity was 33.36, the open interest changed by 116 which increased total open position to 673
On 27 May NATIONALUM was trading at 433.05. The strike last trading price was 20.35, which was 8.7 higher than the previous day. The implied volatity was 33.14, the open interest changed by 91 which increased total open position to 557
On 26 May NATIONALUM was trading at 416.20. The strike last trading price was 12, which was 4.3 higher than the previous day. The implied volatity was 31.47, the open interest changed by -61 which decreased total open position to 416
On 25 May NATIONALUM was trading at 403.00. The strike last trading price was 7.7, which was -2.3 lower than the previous day. The implied volatity was 32.79, the open interest changed by 251 which increased total open position to 449
On 22 May NATIONALUM was trading at 409.25. The strike last trading price was 10.1, which was 0.1 higher than the previous day. The implied volatity was 32.57, the open interest changed by 96 which increased total open position to 208
On 21 May NATIONALUM was trading at 406.40. The strike last trading price was 9.45, which was 0.45 higher than the previous day. The implied volatity was 32.58, the open interest changed by 37 which increased total open position to 110
On 20 May NATIONALUM was trading at 402.40. The strike last trading price was 8.75, which was 0.75 higher than the previous day. The implied volatity was 33.43, the open interest changed by 15 which increased total open position to 73
On 19 May NATIONALUM was trading at 398.95. The strike last trading price was 8.45, which was -0.55 lower than the previous day. The implied volatity was 34.49, the open interest changed by 6 which increased total open position to 57
On 18 May NATIONALUM was trading at 400.45. The strike last trading price was 9.25, which was -1.75 lower than the previous day. The implied volatity was 35.13, the open interest changed by 10 which increased total open position to 50
On 15 May NATIONALUM was trading at 403.60. The strike last trading price was 10.45, which was -6.4 lower than the previous day. The implied volatity was 33.93, the open interest changed by 7 which increased total open position to 39
On 14 May NATIONALUM was trading at 416.45. The strike last trading price was 16.5, which was 1.4 higher than the previous day. The implied volatity was 34.94, the open interest changed by 18 which increased total open position to 33
On 13 May NATIONALUM was trading at 408.25. The strike last trading price was 15.1, which was 5.3 higher than the previous day. The implied volatity was 0, the open interest changed by 3 which increased total open position to 15
On 12 May NATIONALUM was trading at 394.05. The strike last trading price was 9.8, 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 12
On 11 May NATIONALUM was trading at 393.05. The strike last trading price was 9.8, which was -1.25 lower than the previous day. The implied volatity was 0, the open interest changed by 2 which increased total open position to 12
On 8 May NATIONALUM was trading at 401.95. The strike last trading price was 11.05, which was -1.95 lower than the previous day. The implied volatity was 32.87, the open interest changed by -1 which decreased total open position to 9
On 7 May NATIONALUM was trading at 403.50. The strike last trading price was 13, which was -1.15 lower than the previous day. The implied volatity was 34.19, the open interest changed by 0 which decreased total open position to 8
On 6 May NATIONALUM was trading at 406.55. The strike last trading price was 14.15, which was -0.25 lower than the previous day. The implied volatity was 33.82, the open interest changed by 0 which decreased total open position to 7
On 5 May NATIONALUM was trading at 413.60. The strike last trading price was 14.4, which was 0 lower than the previous day. The implied volatity was 33.65, the open interest changed by 0 which decreased total open position to 7
On 4 May NATIONALUM was trading at 407.80. The strike last trading price was 14.4, which was 1.4 higher than the previous day. The implied volatity was 33.65, the open interest changed by 6 which increased total open position to 7
On 30 Apr NATIONALUM was trading at 399.30. The strike last trading price was 13, which was -15 lower than the previous day. The implied volatity was 37.64, the open interest changed by 6 which increased total open position to 7
On 13 Apr NATIONALUM was trading at 418.05. 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 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 0.95, 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 1.27, 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 2.68, 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 1.86, 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 2.74, the open interest changed by 0 which decreased total open position to 0
| NATIONALUM 30-Jun-2026 (6d) 430 PE | |||||||
|---|---|---|---|---|---|---|---|
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Delta: -0.98
Vega: 0
Theta: -0.1
Gamma: 0.00134
|
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| Date | Close | Ltp | Change | IV | Volume | OI Chg | OI |
| 23 Jun | 355.40 | 77 | 24.55 (46.81%) | 64.49 | 12 | -1 | 490 |
| 22 Jun | 377.95 | 52.45 | -2.2 (-4.03%) | 57.83 | 14 | -8 | 491 |
| 19 Jun | 376.00 | 54.25 | -6.95 (-11.36%) | 51.47 | 32 | -4 | 500 |
| 18 Jun | 367.75 | 61.2 | 2 (3.38%) | 45.36 | 2 | -1 | 503 |
| 17 Jun | 370.00 | 59.2 | -2.35 (-3.82%) | 45.78 | 6 | 1 | 504 |
| 16 Jun | 366.65 | 61.55 | 14.05 (29.58%) | 46.85 | 42 | -13 | 503 |
| 15 Jun | 382.35 | 47.5 | -5.5 (-10.38%) | 35.36 | 55 | -6 | 523 |
| 12 Jun | 376.85 | 53 | -5 (-8.62%) | 41.36 | 45 | -21 | 529 |
| 11 Jun | 370.60 | 58 | 4.75 (8.92%) | 43.47 | 6 | -2 | 550 |
| 10 Jun | 376.15 | 52.95 | 4.75 (9.85%) | 38.27 | 14 | -1 | 551 |
| 9 Jun | 383.90 | 48.2 | -2.35 (-4.65%) | 33.29 | 56 | 2 | 552 |
| 8 Jun | 378.20 | 51.15 | 13.1 (34.43%) | 35.34 | 56 | 4 | 548 |
| 5 Jun | 395.70 | 38.05 | 14.3 (60.21%) | 38.07 | 100 | -37 | 547 |
| 4 Jun | 414.00 | 24.3 | 12.4 (104.20%) | 35.08 | 1,147 | 87 | 585 |
| 3 Jun | 436.90 | 11.85 | -0.15 (-1.25%) | 32.7 | 554 | 2 | 500 |
| 2 Jun | 434.40 | 12.1 | -0.8 (-6.20%) | 31.19 | 1,288 | 15 | 498 |
| 1 Jun | 434.20 | 12.1 | -5.7 (-32.02%) | 32.59 | 1,025 | 100 | 483 |
| 29 May | 424.45 | 19.35 | 5.9 (43.87%) | 31.62 | 1,098 | 58 | 384 |
| 27 May | 433.05 | 13.8 | -9.05 (-39.61%) | 31.33 | 1,135 | 241 | 326 |
| 26 May | 416.20 | 22.65 | -11.15 (-32.99%) | 32.54 | 76 | 28 | 85 |
| 25 May | 403.00 | 30 | 30 (12.67%) | 33.82 | 11 | 0 | 49 |
| 22 May | 409.25 | 30 | -0.5 (-1.64%) | 33.38 | 11 | 3 | 41 |
| 21 May | 406.40 | 30.5 | -4 (-11.59%) | 32.81 | 22 | 19 | 36 |
| 20 May | 402.40 | 34.5 | -3.3 (-8.73%) | 34.57 | 2 | 2 | 17 |
| 19 May | 398.95 | 37.8 | 2.6 (7.39%) | 33.25 | 1 | -1 | 15 |
| 18 May | 400.45 | 35.2 | -0.85 (-2.36%) | 34.69 | 1 | 0 | 15 |
| 15 May | 403.60 | 36.05 | 8.55 (31.09%) | 36.37 | 3 | 3 | 15 |
| 14 May | 416.45 | 27.5 | -6.7 (-19.59%) | 35.86 | 8 | 7 | 11 |
| 13 May | 408.25 | 34.2 | -5.4 (-13.64%) | 0 | 2 | 2 | 4 |
| 12 May | 394.05 | 39.6 | 0 (0.00%) | 0 | 0 | 0 | 2 |
| 11 May | 393.05 | 39.6 | -3.25 (-7.58%) | 29.48 | 2 | 2 | 2 |
| 8 May | 401.95 | 42.85 | 42.85 | - | 0 | 0 | 0 |
| 7 May | 403.50 | 42.85 | 42.85 | - | 0 | 0 | 0 |
| 6 May | 406.55 | 42.85 | 42.85 | - | 0 | 0 | 0 |
| 5 May | 413.60 | 42.85 | 42.85 (87.94%) | 38.62 | 0 | 0 | 0 |
| 4 May | 407.80 | 42.85 | 20.05 (87.94%) | 38.62 | 1 | 0 | 1 |
| 30 Apr | 399.30 | 22.8 | 22.8 (-63.64%) | 36.98 | 0 | 0 | 1 |
| 13 Apr | 418.05 | - | - | - | 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 430 expiring on 30JUN2026
Delta for 430 PE is -0.98
Historical price for 430 PE is as follows
On 23 Jun NATIONALUM was trading at 355.40. The strike last trading price was 77, which was 24.55 higher than the previous day. The implied volatity was 64.49, the open interest changed by -1 which decreased total open position to 490
On 22 Jun NATIONALUM was trading at 377.95. The strike last trading price was 52.45, which was -2.2 lower than the previous day. The implied volatity was 57.83, the open interest changed by -8 which decreased total open position to 491
On 19 Jun NATIONALUM was trading at 376.00. The strike last trading price was 54.25, which was -6.95 lower than the previous day. The implied volatity was 51.47, the open interest changed by -4 which decreased total open position to 500
On 18 Jun NATIONALUM was trading at 367.75. The strike last trading price was 61.2, which was 2 higher than the previous day. The implied volatity was 45.36, the open interest changed by -1 which decreased total open position to 503
On 17 Jun NATIONALUM was trading at 370.00. The strike last trading price was 59.2, which was -2.35 lower than the previous day. The implied volatity was 45.78, the open interest changed by 1 which increased total open position to 504
On 16 Jun NATIONALUM was trading at 366.65. The strike last trading price was 61.55, which was 14.05 higher than the previous day. The implied volatity was 46.85, the open interest changed by -13 which decreased total open position to 503
On 15 Jun NATIONALUM was trading at 382.35. The strike last trading price was 47.5, which was -5.5 lower than the previous day. The implied volatity was 35.36, the open interest changed by -6 which decreased total open position to 523
On 12 Jun NATIONALUM was trading at 376.85. The strike last trading price was 53, which was -5 lower than the previous day. The implied volatity was 41.36, the open interest changed by -21 which decreased total open position to 529
On 11 Jun NATIONALUM was trading at 370.60. The strike last trading price was 58, which was 4.75 higher than the previous day. The implied volatity was 43.47, the open interest changed by -2 which decreased total open position to 550
On 10 Jun NATIONALUM was trading at 376.15. The strike last trading price was 52.95, which was 4.75 higher than the previous day. The implied volatity was 38.27, the open interest changed by -1 which decreased total open position to 551
On 9 Jun NATIONALUM was trading at 383.90. The strike last trading price was 48.2, which was -2.35 lower than the previous day. The implied volatity was 33.29, the open interest changed by 2 which increased total open position to 552
On 8 Jun NATIONALUM was trading at 378.20. The strike last trading price was 51.15, which was 13.1 higher than the previous day. The implied volatity was 35.34, the open interest changed by 4 which increased total open position to 548
On 5 Jun NATIONALUM was trading at 395.70. The strike last trading price was 38.05, which was 14.3 higher than the previous day. The implied volatity was 38.07, the open interest changed by -37 which decreased total open position to 547
On 4 Jun NATIONALUM was trading at 414.00. The strike last trading price was 24.3, which was 12.4 higher than the previous day. The implied volatity was 35.08, the open interest changed by 87 which increased total open position to 585
On 3 Jun NATIONALUM was trading at 436.90. The strike last trading price was 11.85, which was -0.15 lower than the previous day. The implied volatity was 32.7, the open interest changed by 2 which increased total open position to 500
On 2 Jun NATIONALUM was trading at 434.40. The strike last trading price was 12.1, which was -0.8 lower than the previous day. The implied volatity was 31.19, the open interest changed by 15 which increased total open position to 498
On 1 Jun NATIONALUM was trading at 434.20. The strike last trading price was 12.1, which was -5.7 lower than the previous day. The implied volatity was 32.59, the open interest changed by 100 which increased total open position to 483
On 29 May NATIONALUM was trading at 424.45. The strike last trading price was 19.35, which was 5.9 higher than the previous day. The implied volatity was 31.62, the open interest changed by 58 which increased total open position to 384
On 27 May NATIONALUM was trading at 433.05. The strike last trading price was 13.8, which was -9.05 lower than the previous day. The implied volatity was 31.33, the open interest changed by 241 which increased total open position to 326
On 26 May NATIONALUM was trading at 416.20. The strike last trading price was 22.65, which was -11.15 lower than the previous day. The implied volatity was 32.54, the open interest changed by 28 which increased total open position to 85
On 25 May NATIONALUM was trading at 403.00. The strike last trading price was 30, which was 30 higher than the previous day. The implied volatity was 33.82, the open interest changed by 0 which decreased total open position to 49
On 22 May NATIONALUM was trading at 409.25. The strike last trading price was 30, which was -0.5 lower than the previous day. The implied volatity was 33.38, the open interest changed by 3 which increased total open position to 41
On 21 May NATIONALUM was trading at 406.40. The strike last trading price was 30.5, which was -4 lower than the previous day. The implied volatity was 32.81, the open interest changed by 19 which increased total open position to 36
On 20 May NATIONALUM was trading at 402.40. The strike last trading price was 34.5, which was -3.3 lower than the previous day. The implied volatity was 34.57, the open interest changed by 2 which increased total open position to 17
On 19 May NATIONALUM was trading at 398.95. The strike last trading price was 37.8, which was 2.6 higher than the previous day. The implied volatity was 33.25, the open interest changed by -1 which decreased total open position to 15
On 18 May NATIONALUM was trading at 400.45. The strike last trading price was 35.2, which was -0.85 lower than the previous day. The implied volatity was 34.69, the open interest changed by 0 which decreased total open position to 15
On 15 May NATIONALUM was trading at 403.60. The strike last trading price was 36.05, which was 8.55 higher than the previous day. The implied volatity was 36.37, the open interest changed by 3 which increased total open position to 15
On 14 May NATIONALUM was trading at 416.45. The strike last trading price was 27.5, which was -6.7 lower than the previous day. The implied volatity was 35.86, the open interest changed by 7 which increased total open position to 11
On 13 May NATIONALUM was trading at 408.25. The strike last trading price was 34.2, which was -5.4 lower than the previous day. The implied volatity was 0, the open interest changed by 2 which increased total open position to 4
On 12 May NATIONALUM was trading at 394.05. The strike last trading price was 39.6, 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 39.6, which was -3.25 lower than the previous day. The implied volatity was 29.48, the open interest changed by 2 which increased total open position to 2
On 8 May NATIONALUM was trading at 401.95. The strike last trading price was 42.85, which was 42.85 higher than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0
On 7 May NATIONALUM was trading at 403.50. The strike last trading price was 42.85, which was 42.85 higher than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0
On 6 May NATIONALUM was trading at 406.55. The strike last trading price was 42.85, which was 42.85 higher than the previous day. The implied volatity was -, 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 42.85, which was 42.85 higher than the previous day. The implied volatity was 38.62, 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 42.85, which was 20.05 higher than the previous day. The implied volatity was 38.62, the open interest changed by 0 which decreased total open position to 1
On 30 Apr NATIONALUM was trading at 399.30. The strike last trading price was 22.8, which was 22.8 higher than the previous day. The implied volatity was 36.98, the open interest changed by 0 which decreased total open position to 1
On 13 Apr NATIONALUM was trading at 418.05. 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 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
