NATIONALUM

National Aluminium Co Ltd

385.45 -43.40 (-10.12%)

L: 380.15 H: 413.9

Back to Option Chain

Historical option data for NATIONALUM
30 Jan 2026 04:10 PM IST

Strike Price

Expiry

Ltp Ltp OI Open Interest (OI) OI Chg Change Open Interest Volume Volume IV IV

Call
Put

Per Lot

NATIONALUM 24-FEB-2026 390 CE
Delta: 0.48 Vega: 0.4 Theta: -0.39 Gamma: 0.01
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI

30 Jan	385.45	15.4 ₹ 57,750	-28.05 -105187.50	43.5	3,152 1,18,20,000	238 8,92,500	533 19,98,750
29 Jan	428.85	42.5 ₹ 1,59,375	15.85 59437.50	28.53	269 10,08,750	-25 -93,750	295 11,06,250
28 Jan	406.15	27.4 ₹ 1,02,750	13 48750.00	34.6	2,437 91,38,750	-95 -3,56,250	320 12,00,000
27 Jan	384.60	14.3 ₹ 53,625	4.7 17625.00	36.33	1,245 46,68,750	111 4,16,250	406 15,22,500
23 Jan	370.65	9.75 ₹ 36,562.5	2.6 9750.00	36.18	920 34,50,000	112 4,20,000	294 11,02,500
22 Jan	364.60	7.25 ₹ 27,187.5	0 0.00	34.93	188 7,05,000	-2 -7,500	182 6,82,500
21 Jan	361.50	7.3 ₹ 27,375	0.5 1875.00	36.08	107 4,01,250	-7 -26,250	183 6,86,250
20 Jan	358.95	6.6 ₹ 24,750	-2.65 -9937.50	36.8	87 3,26,250	15 56,250	191 7,16,250
19 Jan	368.65	9.15 ₹ 34,312.5	0.95 3562.50	34.81	100 3,75,000	21 78,750	176 6,60,000
16 Jan	361.60	8.1 ₹ 30,375	-4 -15000.00	36.3	111 4,16,250	26 97,500	156 5,85,000
14 Jan	373.55	12.15 ₹ 45,562.5	4.95 18562.50	34.41	247 9,26,250	62 2,32,500	128 4,80,000
13 Jan	357.40	7.3 ₹ 27,375	0.95 3562.50	36.1	44 1,65,000	4 15,000	67 2,51,250
12 Jan	350.05	6.3 ₹ 23,625	0.6 2250.00	37.11	28 1,05,000	-1 -3,750	61 2,28,750
9 Jan	348.05	5.7 ₹ 21,375	2.5 9375.00	35.42	29 1,08,750	5 18,750	61 2,28,750
8 Jan	333.50	3.2 ₹ 12,000	-3.1 -11625.00	36.66	21 78,750	11 41,250	56 2,10,000
7 Jan	352.60	6.3 ₹ 23,625	0.65 2437.50	33.66	59 2,21,250	16 60,000	45 1,68,750
6 Jan	346.70	5.65 ₹ 21,187.5	3.4 12750.00	34.39	57 2,13,750	29 1,08,750	29 1,08,750

For National Aluminium Co Ltd - strike price 390 expiring on 24FEB2026

Delta for 390 CE is 0.48

Historical price for 390 CE is as follows

On 30 Jan NATIONALUM was trading at 385.45. The strike last trading price was 15.4, which was -28.05 lower than the previous day. The implied volatity was 43.5, the open interest changed by 238 which increased total open position to 533

On 29 Jan NATIONALUM was trading at 428.85. The strike last trading price was 42.5, which was 15.85 higher than the previous day. The implied volatity was 28.53, the open interest changed by -25 which decreased total open position to 295

On 28 Jan NATIONALUM was trading at 406.15. The strike last trading price was 27.4, which was 13 higher than the previous day. The implied volatity was 34.6, the open interest changed by -95 which decreased total open position to 320

On 27 Jan NATIONALUM was trading at 384.60. The strike last trading price was 14.3, which was 4.7 higher than the previous day. The implied volatity was 36.33, the open interest changed by 111 which increased total open position to 406

On 23 Jan NATIONALUM was trading at 370.65. The strike last trading price was 9.75, which was 2.6 higher than the previous day. The implied volatity was 36.18, the open interest changed by 112 which increased total open position to 294

On 22 Jan NATIONALUM was trading at 364.60. The strike last trading price was 7.25, which was 0 lower than the previous day. The implied volatity was 34.93, the open interest changed by -2 which decreased total open position to 182

On 21 Jan NATIONALUM was trading at 361.50. The strike last trading price was 7.3, which was 0.5 higher than the previous day. The implied volatity was 36.08, the open interest changed by -7 which decreased total open position to 183

On 20 Jan NATIONALUM was trading at 358.95. The strike last trading price was 6.6, which was -2.65 lower than the previous day. The implied volatity was 36.8, the open interest changed by 15 which increased total open position to 191

On 19 Jan NATIONALUM was trading at 368.65. The strike last trading price was 9.15, which was 0.95 higher than the previous day. The implied volatity was 34.81, the open interest changed by 21 which increased total open position to 176

On 16 Jan NATIONALUM was trading at 361.60. The strike last trading price was 8.1, which was -4 lower than the previous day. The implied volatity was 36.3, the open interest changed by 26 which increased total open position to 156

On 14 Jan NATIONALUM was trading at 373.55. The strike last trading price was 12.15, which was 4.95 higher than the previous day. The implied volatity was 34.41, the open interest changed by 62 which increased total open position to 128

On 13 Jan NATIONALUM was trading at 357.40. The strike last trading price was 7.3, which was 0.95 higher than the previous day. The implied volatity was 36.1, the open interest changed by 4 which increased total open position to 67

On 12 Jan NATIONALUM was trading at 350.05. The strike last trading price was 6.3, which was 0.6 higher than the previous day. The implied volatity was 37.11, the open interest changed by -1 which decreased total open position to 61

On 9 Jan NATIONALUM was trading at 348.05. The strike last trading price was 5.7, which was 2.5 higher than the previous day. The implied volatity was 35.42, the open interest changed by 5 which increased total open position to 61

On 8 Jan NATIONALUM was trading at 333.50. The strike last trading price was 3.2, which was -3.1 lower than the previous day. The implied volatity was 36.66, the open interest changed by 11 which increased total open position to 56

On 7 Jan NATIONALUM was trading at 352.60. The strike last trading price was 6.3, which was 0.65 higher than the previous day. The implied volatity was 33.66, the open interest changed by 16 which increased total open position to 45

On 6 Jan NATIONALUM was trading at 346.70. The strike last trading price was 5.65, which was 3.4 higher than the previous day. The implied volatity was 34.39, the open interest changed by 29 which increased total open position to 29

NATIONALUM 24FEB2026 390 PE
Delta: -0.5 Vega: 0.4 Theta: -0.41 Gamma: 0.01
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
30 Jan	385.45	26 ₹ 97,500	16.8 63000.00	59.16	3,525 1,32,18,750	147 5,51,250	405 15,18,750
29 Jan	428.85	9.35 ₹ 35,062.5	-3.4 -12750.00	56.89	613 22,98,750	102 3,82,500	246 9,22,500
28 Jan	406.15	12.45 ₹ 46,687.5	-9.4 -35250.00	49.13	931 34,91,250	94 3,52,500	142 5,32,500
27 Jan	384.60	21.95 ₹ 82,312.5	-6.65 -24937.50	49.55	20 75,000	13 48,750	47 1,76,250
23 Jan	370.65	28.6 ₹ 1,07,250	-6.35 -23812.50	45.06	30 1,12,500	16 60,000	33 1,23,750
22 Jan	364.60	34.95 ₹ 1,31,062.5	-58.05 -217687.50	50.12	21 78,750	13 48,750	13 48,750
21 Jan	361.50	93 ₹ 3,48,750	0 0.00	-	0 0	0 0	0 0
20 Jan	358.95	93 ₹ 3,48,750	0 0.00	-	0 0	0 0	0 0
19 Jan	368.65	93 ₹ 3,48,750	0 0.00	-	0 0	0 0	0 0
16 Jan	361.60	93 ₹ 3,48,750	0 0.00	-	0 0	0 0	0 0
14 Jan	373.55	93 ₹ 3,48,750	0 0.00	-	0 0	0 0	0 0
13 Jan	357.40	93 ₹ 3,48,750	0 0.00	-	0 0	0 0	0 0
12 Jan	350.05	93 ₹ 3,48,750	0 0.00	-	0 0	0 0	0 0
9 Jan	348.05	93 ₹ 3,48,750	0 0.00	-	0 0	0 0	0 0
8 Jan	333.50	93 ₹ 3,48,750	0 0.00	-	0 0	0 0	0 0
7 Jan	352.60	93 ₹ 3,48,750	0 0.00	-	0 0	0 0	0 0
6 Jan	346.70	0 ₹ 0	0 0.00	-	0 0	0 0	0 0

For National Aluminium Co Ltd - strike price 390 expiring on 24FEB2026

Delta for 390 PE is -0.5

Historical price for 390 PE is as follows

On 30 Jan NATIONALUM was trading at 385.45. The strike last trading price was 26, which was 16.8 higher than the previous day. The implied volatity was 59.16, the open interest changed by 147 which increased total open position to 405

On 29 Jan NATIONALUM was trading at 428.85. The strike last trading price was 9.35, which was -3.4 lower than the previous day. The implied volatity was 56.89, the open interest changed by 102 which increased total open position to 246

On 28 Jan NATIONALUM was trading at 406.15. The strike last trading price was 12.45, which was -9.4 lower than the previous day. The implied volatity was 49.13, the open interest changed by 94 which increased total open position to 142

On 27 Jan NATIONALUM was trading at 384.60. The strike last trading price was 21.95, which was -6.65 lower than the previous day. The implied volatity was 49.55, the open interest changed by 13 which increased total open position to 47

On 23 Jan NATIONALUM was trading at 370.65. The strike last trading price was 28.6, which was -6.35 lower than the previous day. The implied volatity was 45.06, the open interest changed by 16 which increased total open position to 33

On 22 Jan NATIONALUM was trading at 364.60. The strike last trading price was 34.95, which was -58.05 lower than the previous day. The implied volatity was 50.12, the open interest changed by 13 which increased total open position to 13

On 21 Jan NATIONALUM was trading at 361.50. The strike last trading price was 93, 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 Jan NATIONALUM was trading at 358.95. The strike last trading price was 93, 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 19 Jan NATIONALUM was trading at 368.65. The strike last trading price was 93, 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 Jan NATIONALUM was trading at 361.60. The strike last trading price was 93, 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 14 Jan NATIONALUM was trading at 373.55. The strike last trading price was 93, 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 Jan NATIONALUM was trading at 357.40. The strike last trading price was 93, 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 12 Jan NATIONALUM was trading at 350.05. The strike last trading price was 93, 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 Jan NATIONALUM was trading at 348.05. The strike last trading price was 93, 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 Jan NATIONALUM was trading at 333.50. The strike last trading price was 93, 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 Jan NATIONALUM was trading at 352.60. The strike last trading price was 93, 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 Jan NATIONALUM was trading at 346.70. 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

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