[--[65.84.65.76]--]
NATIONALUM
National Aluminium Co Ltd

210.94 -0.66 (-0.31%)

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Historical option data for NATIONALUM

22 Sep 2025 08:01 PM IST
NATIONALUM 30SEP2025 205 CE
Delta: 0.76
Vega: 0.10
Theta: -0.24
Gamma: 0.03
Date Close Ltp Change IV Volume Change OI OI
22 Sept 210.94 8.35 -0.65 32.85 139 -10 367
21 Sept 211.60 9 -0.2 29.41 85 4 377
18 Sept 213.80 9.5 0.45 - 186 -20 374
14 Sept 218.30 12.95 2.6 - 312 -87 457
17 Aug 187.58 8.7 0 6.47 0 0 0


For National Aluminium Co Ltd - strike price 205 expiring on 30SEP2025

Delta for 205 CE is 0.76

Historical price for 205 CE is as follows

On 22 Sept NATIONALUM was trading at 210.94. The strike last trading price was 8.35, which was -0.65 lower than the previous day. The implied volatity was 32.85, the open interest changed by -10 which decreased total open position to 367


On 21 Sept NATIONALUM was trading at 211.60. The strike last trading price was 9, which was -0.2 lower than the previous day. The implied volatity was 29.41, the open interest changed by 4 which increased total open position to 377


On 18 Sept NATIONALUM was trading at 213.80. The strike last trading price was 9.5, which was 0.45 higher than the previous day. The implied volatity was -, the open interest changed by -20 which decreased total open position to 374


On 14 Sept NATIONALUM was trading at 218.30. The strike last trading price was 12.95, which was 2.6 higher than the previous day. The implied volatity was -, the open interest changed by -87 which decreased total open position to 457


On 17 Aug NATIONALUM was trading at 187.58. The strike last trading price was 8.7, which was 0 lower than the previous day. The implied volatity was 6.47, the open interest changed by 0 which decreased total open position to 0


NATIONALUM 30SEP2025 205 PE
Delta: -0.21
Vega: 0.09
Theta: -0.15
Gamma: 0.03
Date Close Ltp Change IV Volume Change OI OI
22 Sept 210.94 1.1 -0.85 28.60 701 -26 444
21 Sept 211.60 1.8 -0.15 32.00 540 -6 474
18 Sept 213.80 2.05 -0.2 36.89 643 78 474
14 Sept 218.30 1.5 -1 32.59 917 -49 430
17 Aug 187.58 26.55 0 - 0 0 0


For National Aluminium Co Ltd - strike price 205 expiring on 30SEP2025

Delta for 205 PE is -0.21

Historical price for 205 PE is as follows

On 22 Sept NATIONALUM was trading at 210.94. The strike last trading price was 1.1, which was -0.85 lower than the previous day. The implied volatity was 28.60, the open interest changed by -26 which decreased total open position to 444


On 21 Sept NATIONALUM was trading at 211.60. The strike last trading price was 1.8, which was -0.15 lower than the previous day. The implied volatity was 32.00, the open interest changed by -6 which decreased total open position to 474


On 18 Sept NATIONALUM was trading at 213.80. The strike last trading price was 2.05, which was -0.2 lower than the previous day. The implied volatity was 36.89, the open interest changed by 78 which increased total open position to 474


On 14 Sept NATIONALUM was trading at 218.30. The strike last trading price was 1.5, which was -1 lower than the previous day. The implied volatity was 32.59, the open interest changed by -49 which decreased total open position to 430


On 17 Aug NATIONALUM was trading at 187.58. The strike last trading price was 26.55, 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