NATIONALUM

National Aluminium Co Ltd

272.9 +3.65 (1.36%)

L: 266.65 H: 274.5

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Historical option data for NATIONALUM
05 Dec 2025 02:50 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 30-DEC-2025 265 CE
Delta: 0.72 Vega: 0.24 Theta: -0.17 Gamma: 0.02
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
5 Dec	272.60	12.55 ₹ 47,062.5	2.05 7687.50	24.14	512 19,20,000	-120 -4,50,000	511 19,16,250
4 Dec	269.25	10.4 ₹ 39,000	1.15 4312.50	24.49	680 25,50,000	-105 -3,93,750	631 23,66,250
3 Dec	266.50	9.9 ₹ 37,125	1.05 3937.50	25.17	1,381 51,78,750	-182 -6,82,500	736 27,60,000
2 Dec	265.15	8.7 ₹ 32,625	0.05 187.50	26.22	861 32,28,750	-35 -1,31,250	918 34,42,500
1 Dec	263.80	8.7 ₹ 32,625	1.6 6000.00	27.12	2,885 1,08,18,750	8 30,000	946 35,47,500
28 Nov	259.98	7.18 ₹ 26,925	-0.63 -2362.50	26.79	1,234 46,27,500	22 82,500	940 35,25,000
27 Nov	261.33	7.75 ₹ 29,062.5	1.54 5775.00	27.18	2,687 1,00,76,250	393 14,73,750	916 34,35,000
26 Nov	258.18	6.17 ₹ 23,137.5	1.17 4387.50	25.98	525 19,68,750	77 2,88,750	521 19,53,750
25 Nov	253.97	4.91 ₹ 18,412.5	0.64 2400.00	26.10	281 10,53,750	68 2,55,000	445 16,68,750
24 Nov	251.06	4.27 ₹ 16,012.5	0.05 187.50	27.76	139 5,21,250	15 56,250	378 14,17,500
21 Nov	250.68	4.29 ₹ 16,087.5	-3.48 -13050.00	26.79	203 7,61,250	25 93,750	363 13,61,250
20 Nov	257.62	8.3 ₹ 31,125	1.63 6112.50	28.90	492 18,45,000	231 8,66,250	336 12,60,000
19 Nov	256.60	6.61 ₹ 24,787.5	-0.42 -1575.00	25.43	45 1,68,750	8 30,000	105 3,93,750
18 Nov	257.30	7 ₹ 26,250	-2.22 -8325.00	26.04	34 1,27,500	12 45,000	94 3,52,500

17 Nov	260.76	9.22 ₹ 34,575	-0.78 -2925.00	26.46	67 2,51,250	22 82,500	82 3,07,500
14 Nov	262.57	10 ₹ 37,500	-2.5 -9375.00	24.39	8 30,000	-1 -3,750	60 2,25,000
13 Nov	268.67	12.5 ₹ 46,875	1.63 6112.50	22.73	7 26,250	-2 -7,500	60 2,25,000
12 Nov	266.95	10.87 ₹ 40,762.5	0.57 2137.50	21.99	11 41,250	3 11,250	61 2,28,750
11 Nov	265.66	10.3 ₹ 38,625	2.9 10875.00	21.10	93 3,48,750	38 1,42,500	56 2,10,000
10 Nov	257.36	7.25 ₹ 27,187.5	4.15 15562.50	23.92	20 75,000	6 22,500	18 67,500
30 Oct	238.08	3.1 ₹ 11,625	-1 -3750.00	26.13	8 30,000	5 18,750	9 33,750
29 Oct	238.10	4.1 ₹ 15,375	-2.45 -9187.50	29.52	4 15,000	0 0	0 0

For National Aluminium Co Ltd - strike price 265 expiring on 30DEC2025

Delta for 265 CE is 0.72

Historical price for 265 CE is as follows

On 5 Dec NATIONALUM was trading at 272.60. The strike last trading price was 12.55, which was 2.05 higher than the previous day. The implied volatity was 24.14, the open interest changed by -120 which decreased total open position to 511

On 4 Dec NATIONALUM was trading at 269.25. The strike last trading price was 10.4, which was 1.15 higher than the previous day. The implied volatity was 24.49, the open interest changed by -105 which decreased total open position to 631

On 3 Dec NATIONALUM was trading at 266.50. The strike last trading price was 9.9, which was 1.05 higher than the previous day. The implied volatity was 25.17, the open interest changed by -182 which decreased total open position to 736

On 2 Dec NATIONALUM was trading at 265.15. The strike last trading price was 8.7, which was 0.05 higher than the previous day. The implied volatity was 26.22, the open interest changed by -35 which decreased total open position to 918

On 1 Dec NATIONALUM was trading at 263.80. The strike last trading price was 8.7, which was 1.6 higher than the previous day. The implied volatity was 27.12, the open interest changed by 8 which increased total open position to 946

On 28 Nov NATIONALUM was trading at 259.98. The strike last trading price was 7.18, which was -0.63 lower than the previous day. The implied volatity was 26.79, the open interest changed by 22 which increased total open position to 940

On 27 Nov NATIONALUM was trading at 261.33. The strike last trading price was 7.75, which was 1.54 higher than the previous day. The implied volatity was 27.18, the open interest changed by 393 which increased total open position to 916

On 26 Nov NATIONALUM was trading at 258.18. The strike last trading price was 6.17, which was 1.17 higher than the previous day. The implied volatity was 25.98, the open interest changed by 77 which increased total open position to 521

On 25 Nov NATIONALUM was trading at 253.97. The strike last trading price was 4.91, which was 0.64 higher than the previous day. The implied volatity was 26.10, the open interest changed by 68 which increased total open position to 445

On 24 Nov NATIONALUM was trading at 251.06. The strike last trading price was 4.27, which was 0.05 higher than the previous day. The implied volatity was 27.76, the open interest changed by 15 which increased total open position to 378

On 21 Nov NATIONALUM was trading at 250.68. The strike last trading price was 4.29, which was -3.48 lower than the previous day. The implied volatity was 26.79, the open interest changed by 25 which increased total open position to 363

On 20 Nov NATIONALUM was trading at 257.62. The strike last trading price was 8.3, which was 1.63 higher than the previous day. The implied volatity was 28.90, the open interest changed by 231 which increased total open position to 336

On 19 Nov NATIONALUM was trading at 256.60. The strike last trading price was 6.61, which was -0.42 lower than the previous day. The implied volatity was 25.43, the open interest changed by 8 which increased total open position to 105

On 18 Nov NATIONALUM was trading at 257.30. The strike last trading price was 7, which was -2.22 lower than the previous day. The implied volatity was 26.04, the open interest changed by 12 which increased total open position to 94

On 17 Nov NATIONALUM was trading at 260.76. The strike last trading price was 9.22, which was -0.78 lower than the previous day. The implied volatity was 26.46, the open interest changed by 22 which increased total open position to 82

On 14 Nov NATIONALUM was trading at 262.57. The strike last trading price was 10, which was -2.5 lower than the previous day. The implied volatity was 24.39, the open interest changed by -1 which decreased total open position to 60

On 13 Nov NATIONALUM was trading at 268.67. The strike last trading price was 12.5, which was 1.63 higher than the previous day. The implied volatity was 22.73, the open interest changed by -2 which decreased total open position to 60

On 12 Nov NATIONALUM was trading at 266.95. The strike last trading price was 10.87, which was 0.57 higher than the previous day. The implied volatity was 21.99, the open interest changed by 3 which increased total open position to 61

On 11 Nov NATIONALUM was trading at 265.66. The strike last trading price was 10.3, which was 2.9 higher than the previous day. The implied volatity was 21.10, the open interest changed by 38 which increased total open position to 56

On 10 Nov NATIONALUM was trading at 257.36. The strike last trading price was 7.25, which was 4.15 higher than the previous day. The implied volatity was 23.92, the open interest changed by 6 which increased total open position to 18

On 30 Oct NATIONALUM was trading at 238.08. The strike last trading price was 3.1, which was -1 lower than the previous day. The implied volatity was 26.13, the open interest changed by 5 which increased total open position to 9

On 29 Oct NATIONALUM was trading at 238.10. The strike last trading price was 4.1, which was -2.45 lower than the previous day. The implied volatity was 29.52, the open interest changed by 0 which decreased total open position to 0

NATIONALUM 30DEC2025 265 PE
Delta: -0.29 Vega: 0.25 Theta: -0.11 Gamma: 0.02
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
5 Dec	272.60	3.7 ₹ 13,875	-1.6 -6000.00	26.87	588 22,05,000	39 1,46,250	459 17,21,250
4 Dec	269.25	5.4 ₹ 20,250	-1.3 -4875.00	28.52	507 19,01,250	25 93,750	420 15,75,000
3 Dec	266.50	6.2 ₹ 23,250	-1.35 -5062.50	29.12	420 15,75,000	30 1,12,500	393 14,73,750
2 Dec	265.15	7.55 ₹ 28,312.5	-0.5 -1875.00	29.23	366 13,72,500	27 1,01,250	374 14,02,500
1 Dec	263.80	7.8 ₹ 29,250	-2.25 -8437.50	28.46	872 32,70,000	-6 -22,500	352 13,20,000
28 Nov	259.98	10 ₹ 37,500	0.32 1200.00	28.52	100 3,75,000	23 86,250	357 13,38,750
27 Nov	261.33	9.69 ₹ 36,337.5	-1.4 -5250.00	28.22	421 15,78,750	170 6,37,500	334 12,52,500
26 Nov	258.18	11.09 ₹ 41,587.5	-2.96 -11100.00	27.29	36 1,35,000	16 60,000	165 6,18,750
25 Nov	253.97	14.21 ₹ 53,287.5	-1.48 -5550.00	30.21	20 75,000	9 33,750	147 5,51,250
24 Nov	251.06	15.69 ₹ 58,837.5	-0.99 -3712.50	26.83	17 63,750	4 15,000	137 5,13,750
21 Nov	250.68	17.02 ₹ 63,825	4.89 18337.50	30.26	23 86,250	-3 -11,250	132 4,95,000
20 Nov	257.62	11.89 ₹ 44,587.5	-2.03 -7612.50	29.28	123 4,61,250	67 2,51,250	135 5,06,250
19 Nov	256.60	13.92 ₹ 52,200	1.16 4350.00	32.66	8 30,000	3 11,250	67 2,51,250
18 Nov	257.30	12.76 ₹ 47,850	2.03 7612.50	29.21	20 75,000	13 48,750	62 2,32,500
17 Nov	260.76	10.67 ₹ 40,012.5	-0.78 -2925.00	29.07	73 2,73,750	43 1,61,250	47 1,76,250
14 Nov	262.57	11.45 ₹ 42,937.5	1.77 6637.50	33.18	5 18,750	3 11,250	5 18,750
13 Nov	268.67	9.68 ₹ 36,300	-43.97 -164887.50	34.00	3 11,250	2 7,500	2 7,500
12 Nov	266.95	53.65 ₹ 2,01,187.5	0 0.00	1.62	0 0	0 0	0 0
11 Nov	265.66	53.65 ₹ 2,01,187.5	0 0.00	1.39	0 0	0 0	0 0
10 Nov	257.36	53.65 ₹ 2,01,187.5	0 0.00	-	0 0	0 0	0 0
30 Oct	238.08	53.65 ₹ 2,01,187.5	0 0.00	-	0 0	0 0	0 0
29 Oct	238.10	53.65 ₹ 2,01,187.5	0 0.00	-	0 0	0 0	0 0

For National Aluminium Co Ltd - strike price 265 expiring on 30DEC2025

Delta for 265 PE is -0.29

Historical price for 265 PE is as follows

On 5 Dec NATIONALUM was trading at 272.60. The strike last trading price was 3.7, which was -1.6 lower than the previous day. The implied volatity was 26.87, the open interest changed by 39 which increased total open position to 459

On 4 Dec NATIONALUM was trading at 269.25. The strike last trading price was 5.4, which was -1.3 lower than the previous day. The implied volatity was 28.52, the open interest changed by 25 which increased total open position to 420

On 3 Dec NATIONALUM was trading at 266.50. The strike last trading price was 6.2, which was -1.35 lower than the previous day. The implied volatity was 29.12, the open interest changed by 30 which increased total open position to 393

On 2 Dec NATIONALUM was trading at 265.15. The strike last trading price was 7.55, which was -0.5 lower than the previous day. The implied volatity was 29.23, the open interest changed by 27 which increased total open position to 374

On 1 Dec NATIONALUM was trading at 263.80. The strike last trading price was 7.8, which was -2.25 lower than the previous day. The implied volatity was 28.46, the open interest changed by -6 which decreased total open position to 352

On 28 Nov NATIONALUM was trading at 259.98. The strike last trading price was 10, which was 0.32 higher than the previous day. The implied volatity was 28.52, the open interest changed by 23 which increased total open position to 357

On 27 Nov NATIONALUM was trading at 261.33. The strike last trading price was 9.69, which was -1.4 lower than the previous day. The implied volatity was 28.22, the open interest changed by 170 which increased total open position to 334

On 26 Nov NATIONALUM was trading at 258.18. The strike last trading price was 11.09, which was -2.96 lower than the previous day. The implied volatity was 27.29, the open interest changed by 16 which increased total open position to 165

On 25 Nov NATIONALUM was trading at 253.97. The strike last trading price was 14.21, which was -1.48 lower than the previous day. The implied volatity was 30.21, the open interest changed by 9 which increased total open position to 147

On 24 Nov NATIONALUM was trading at 251.06. The strike last trading price was 15.69, which was -0.99 lower than the previous day. The implied volatity was 26.83, the open interest changed by 4 which increased total open position to 137

On 21 Nov NATIONALUM was trading at 250.68. The strike last trading price was 17.02, which was 4.89 higher than the previous day. The implied volatity was 30.26, the open interest changed by -3 which decreased total open position to 132

On 20 Nov NATIONALUM was trading at 257.62. The strike last trading price was 11.89, which was -2.03 lower than the previous day. The implied volatity was 29.28, the open interest changed by 67 which increased total open position to 135

On 19 Nov NATIONALUM was trading at 256.60. The strike last trading price was 13.92, which was 1.16 higher than the previous day. The implied volatity was 32.66, the open interest changed by 3 which increased total open position to 67

On 18 Nov NATIONALUM was trading at 257.30. The strike last trading price was 12.76, which was 2.03 higher than the previous day. The implied volatity was 29.21, the open interest changed by 13 which increased total open position to 62

On 17 Nov NATIONALUM was trading at 260.76. The strike last trading price was 10.67, which was -0.78 lower than the previous day. The implied volatity was 29.07, the open interest changed by 43 which increased total open position to 47

On 14 Nov NATIONALUM was trading at 262.57. The strike last trading price was 11.45, which was 1.77 higher than the previous day. The implied volatity was 33.18, the open interest changed by 3 which increased total open position to 5

On 13 Nov NATIONALUM was trading at 268.67. The strike last trading price was 9.68, which was -43.97 lower than the previous day. The implied volatity was 34.00, the open interest changed by 2 which increased total open position to 2

On 12 Nov NATIONALUM was trading at 266.95. The strike last trading price was 53.65, which was 0 lower than the previous day. The implied volatity was 1.62, the open interest changed by 0 which decreased total open position to 0

On 11 Nov NATIONALUM was trading at 265.66. The strike last trading price was 53.65, which was 0 lower than the previous day. The implied volatity was 1.39, the open interest changed by 0 which decreased total open position to 0

On 10 Nov NATIONALUM was trading at 257.36. The strike last trading price was 53.65, 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 Oct NATIONALUM was trading at 238.08. The strike last trading price was 53.65, 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 Oct NATIONALUM was trading at 238.10. The strike last trading price was 53.65, 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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