NATIONALUM

National Aluminium Co Ltd

273.15 +3.90 (1.45%)

L: 266.65 H: 274.5

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Historical option data for NATIONALUM
05 Dec 2025 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 30-DEC-2025 260 CE
Delta: 0.83 Vega: 0.18 Theta: -0.14 Gamma: 0.02
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
5 Dec	273.15	16.65 ₹ 62,437.5	2.9 10875.00	23.74	324 12,15,000	-2 -7,500	479 17,96,250
4 Dec	269.25	13.65 ₹ 51,187.5	1.35 5062.50	24.00	396 14,85,000	-32 -1,20,000	481 18,03,750
3 Dec	266.50	12.9 ₹ 48,375	1.3 4875.00	24.38	426 15,97,500	4 15,000	502 18,82,500
2 Dec	265.15	11.5 ₹ 43,125	0.05 187.50	25.94	230 8,62,500	-43 -1,61,250	498 18,67,500
1 Dec	263.80	11.3 ₹ 42,375	1.84 6900.00	26.49	792 29,70,000	-62 -2,32,500	548 20,55,000
28 Nov	259.98	9.6 ₹ 36,000	-0.72 -2700.00	26.79	818 30,67,500	40 1,50,000	612 22,95,000
27 Nov	261.33	10.3 ₹ 38,625	1.92 7200.00	27.42	1,991 74,66,250	-150 -5,62,500	571 21,41,250
26 Nov	258.18	8.36 ₹ 31,350	1.51 5662.50	25.93	1,809 67,83,750	109 4,08,750	719 26,96,250
25 Nov	253.97	6.74 ₹ 25,275	0.92 3450.00	25.96	1,177 44,13,750	87 3,26,250	618 23,17,500
24 Nov	251.06	5.87 ₹ 22,012.5	0.03 112.50	27.75	657 24,63,750	81 3,03,750	530 19,87,500
21 Nov	250.68	5.75 ₹ 21,562.5	-3.82 -14325.00	26.33	445 16,68,750	106 3,97,500	446 16,72,500
20 Nov	257.62	10.4 ₹ 39,000	1.7 6375.00	28.17	500 18,75,000	126 4,72,500	336 12,60,000
19 Nov	256.60	8.8 ₹ 33,000	-0.36 -1350.00	25.46	152 5,70,000	14 52,500	211 7,91,250
18 Nov	257.30	9.04 ₹ 33,900	-2.53 -9487.50	25.59	486 18,22,500	119 4,46,250	198 7,42,500
17 Nov	260.76	11.7 ₹ 43,875	-1.48 -5550.00	26.27	46 1,72,500	15 56,250	79 2,96,250
14 Nov	262.57	13.4 ₹ 50,250	-1.2 -4500.00	26.22	33 1,23,750	1 3,750	64 2,40,000
13 Nov	268.67	14.6 ₹ 54,750	1.04 3900.00	19.39	29 1,08,750	-3 -11,250	66 2,47,500
12 Nov	266.95	13.56 ₹ 50,850	0.76 2850.00	20.96	17 63,750	-4 -15,000	69 2,58,750
11 Nov	265.66	12.8 ₹ 48,000	3.5 13125.00	19.60	101 3,78,750	5 18,750	74 2,77,500
10 Nov	257.36	9.2 ₹ 34,500	5.35 20062.50	23.15	153 5,73,750	55 2,06,250	68 2,55,000

7 Nov	234.73	3.85 ₹ 14,437.5	1.37 5137.50	31.12	6 22,500	2 7,500	12 45,000
6 Nov	230.59	2.48 ₹ 9,300	-1.52 -5700.00	28.70	4 15,000	1 3,750	9 33,750
3 Nov	238.66	4 ₹ 15,000	0.45 1687.50	27.15	1 3,750	0 0	7 26,250
31 Oct	234.14	3.55 ₹ 13,312.5	0 0.00	-	1 3,750	0 0	6 22,500
30 Oct	238.08	3.55 ₹ 13,312.5	-2.1 -7875.00	24.22	1 3,750	0 0	5 18,750
29 Oct	238.10	5.65 ₹ 21,187.5	0.15 562.50	-	0 0	-1 -3,750	0 0
28 Oct	236.76	5.65 ₹ 21,187.5	0.15 562.50	31.31	1 3,750	0 0	6 22,500
27 Oct	237.87	5.5 ₹ 20,625	0.7 2625.00	29.77	1 3,750	0 0	6 22,500
24 Oct	236.10	4.8 ₹ 18,000	-2.65 -9937.50	28.61	8 30,000	3 11,250	3 11,250

For National Aluminium Co Ltd - strike price 260 expiring on 30DEC2025

Delta for 260 CE is 0.83

Historical price for 260 CE is as follows

On 5 Dec NATIONALUM was trading at 273.15. The strike last trading price was 16.65, which was 2.9 higher than the previous day. The implied volatity was 23.74, the open interest changed by -2 which decreased total open position to 479

On 4 Dec NATIONALUM was trading at 269.25. The strike last trading price was 13.65, which was 1.35 higher than the previous day. The implied volatity was 24.00, the open interest changed by -32 which decreased total open position to 481

On 3 Dec NATIONALUM was trading at 266.50. The strike last trading price was 12.9, which was 1.3 higher than the previous day. The implied volatity was 24.38, the open interest changed by 4 which increased total open position to 502

On 2 Dec NATIONALUM was trading at 265.15. The strike last trading price was 11.5, which was 0.05 higher than the previous day. The implied volatity was 25.94, the open interest changed by -43 which decreased total open position to 498

On 1 Dec NATIONALUM was trading at 263.80. The strike last trading price was 11.3, which was 1.84 higher than the previous day. The implied volatity was 26.49, the open interest changed by -62 which decreased total open position to 548

On 28 Nov NATIONALUM was trading at 259.98. The strike last trading price was 9.6, which was -0.72 lower than the previous day. The implied volatity was 26.79, the open interest changed by 40 which increased total open position to 612

On 27 Nov NATIONALUM was trading at 261.33. The strike last trading price was 10.3, which was 1.92 higher than the previous day. The implied volatity was 27.42, the open interest changed by -150 which decreased total open position to 571

On 26 Nov NATIONALUM was trading at 258.18. The strike last trading price was 8.36, which was 1.51 higher than the previous day. The implied volatity was 25.93, the open interest changed by 109 which increased total open position to 719

On 25 Nov NATIONALUM was trading at 253.97. The strike last trading price was 6.74, which was 0.92 higher than the previous day. The implied volatity was 25.96, the open interest changed by 87 which increased total open position to 618

On 24 Nov NATIONALUM was trading at 251.06. The strike last trading price was 5.87, which was 0.03 higher than the previous day. The implied volatity was 27.75, the open interest changed by 81 which increased total open position to 530

On 21 Nov NATIONALUM was trading at 250.68. The strike last trading price was 5.75, which was -3.82 lower than the previous day. The implied volatity was 26.33, the open interest changed by 106 which increased total open position to 446

On 20 Nov NATIONALUM was trading at 257.62. The strike last trading price was 10.4, which was 1.7 higher than the previous day. The implied volatity was 28.17, the open interest changed by 126 which increased total open position to 336

On 19 Nov NATIONALUM was trading at 256.60. The strike last trading price was 8.8, which was -0.36 lower than the previous day. The implied volatity was 25.46, the open interest changed by 14 which increased total open position to 211

On 18 Nov NATIONALUM was trading at 257.30. The strike last trading price was 9.04, which was -2.53 lower than the previous day. The implied volatity was 25.59, the open interest changed by 119 which increased total open position to 198

On 17 Nov NATIONALUM was trading at 260.76. The strike last trading price was 11.7, which was -1.48 lower than the previous day. The implied volatity was 26.27, the open interest changed by 15 which increased total open position to 79

On 14 Nov NATIONALUM was trading at 262.57. The strike last trading price was 13.4, which was -1.2 lower than the previous day. The implied volatity was 26.22, the open interest changed by 1 which increased total open position to 64

On 13 Nov NATIONALUM was trading at 268.67. The strike last trading price was 14.6, which was 1.04 higher than the previous day. The implied volatity was 19.39, the open interest changed by -3 which decreased total open position to 66

On 12 Nov NATIONALUM was trading at 266.95. The strike last trading price was 13.56, which was 0.76 higher than the previous day. The implied volatity was 20.96, the open interest changed by -4 which decreased total open position to 69

On 11 Nov NATIONALUM was trading at 265.66. The strike last trading price was 12.8, which was 3.5 higher than the previous day. The implied volatity was 19.60, the open interest changed by 5 which increased total open position to 74

On 10 Nov NATIONALUM was trading at 257.36. The strike last trading price was 9.2, which was 5.35 higher than the previous day. The implied volatity was 23.15, the open interest changed by 55 which increased total open position to 68

On 7 Nov NATIONALUM was trading at 234.73. The strike last trading price was 3.85, which was 1.37 higher than the previous day. The implied volatity was 31.12, the open interest changed by 2 which increased total open position to 12

On 6 Nov NATIONALUM was trading at 230.59. The strike last trading price was 2.48, which was -1.52 lower than the previous day. The implied volatity was 28.70, the open interest changed by 1 which increased total open position to 9

On 3 Nov NATIONALUM was trading at 238.66. The strike last trading price was 4, which was 0.45 higher than the previous day. The implied volatity was 27.15, the open interest changed by 0 which decreased total open position to 7

On 31 Oct NATIONALUM was trading at 234.14. The strike last trading price was 3.55, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 6

On 30 Oct NATIONALUM was trading at 238.08. The strike last trading price was 3.55, which was -2.1 lower than the previous day. The implied volatity was 24.22, the open interest changed by 0 which decreased total open position to 5

On 29 Oct NATIONALUM was trading at 238.10. The strike last trading price was 5.65, which was 0.15 higher than the previous day. The implied volatity was -, the open interest changed by -1 which decreased total open position to 0

On 28 Oct NATIONALUM was trading at 236.76. The strike last trading price was 5.65, which was 0.15 higher than the previous day. The implied volatity was 31.31, the open interest changed by 0 which decreased total open position to 6

On 27 Oct NATIONALUM was trading at 237.87. The strike last trading price was 5.5, which was 0.7 higher than the previous day. The implied volatity was 29.77, the open interest changed by 0 which decreased total open position to 6

On 24 Oct NATIONALUM was trading at 236.10. The strike last trading price was 4.8, which was -2.65 lower than the previous day. The implied volatity was 28.61, the open interest changed by 3 which increased total open position to 3

NATIONALUM 30DEC2025 260 PE
Delta: -0.20 Vega: 0.20 Theta: -0.09 Gamma: 0.01
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
5 Dec	273.15	2.25 ₹ 8,437.5	-1.35 -5062.50	26.98	950 35,62,500	71 2,66,250	571 21,41,250
4 Dec	269.25	3.6 ₹ 13,500	-1.1 -4125.00	28.25	499 18,71,250	2 7,500	500 18,75,000
3 Dec	266.50	4.15 ₹ 15,562.5	-1.25 -4687.50	28.45	501 18,78,750	34 1,27,500	493 18,48,750
2 Dec	265.15	5.5 ₹ 20,625	-0.35 -1312.50	29.57	396 14,85,000	12 45,000	460 17,25,000
1 Dec	263.80	5.65 ₹ 21,187.5	-1.8 -6750.00	28.66	830 31,12,500	12 45,000	449 16,83,750
28 Nov	259.98	7.25 ₹ 27,187.5	0.07 262.50	27.84	363 13,61,250	32 1,20,000	438 16,42,500
27 Nov	261.33	7.23 ₹ 27,112.5	-1.13 -4237.50	28.30	866 32,47,500	-40 -1,50,000	409 15,33,750
26 Nov	258.18	8.29 ₹ 31,087.5	-2.6 -9750.00	27.11	258 9,67,500	62 2,32,500	451 16,91,250
25 Nov	253.97	11.07 ₹ 41,512.5	-1.48 -5550.00	29.83	132 4,95,000	50 1,87,500	391 14,66,250
24 Nov	251.06	12.53 ₹ 46,987.5	-0.64 -2400.00	27.52	228 8,55,000	144 5,40,000	341 12,78,750
21 Nov	250.68	13.5 ₹ 50,625	3.91 14662.50	29.47	70 2,62,500	10 37,500	198 7,42,500
20 Nov	257.62	9.38 ₹ 35,175	-0.39 -1462.50	29.68	157 5,88,750	11 41,250	188 7,05,000
19 Nov	256.60	9.6 ₹ 36,000	-0.34 -1275.00	28.07	48 1,80,000	13 48,750	177 6,63,750
18 Nov	257.30	10.05 ₹ 37,687.5	1.54 5775.00	29.28	159 5,96,250	105 3,93,750	163 6,11,250
17 Nov	260.76	8.46 ₹ 31,725	0.21 787.50	29.67	46 1,72,500	14 52,500	57 2,13,750
14 Nov	262.57	8.23 ₹ 30,862.5	0.42 1575.00	30.65	31 1,16,250	-2 -7,500	44 1,65,000
13 Nov	268.67	7.81 ₹ 29,287.5	-0.99 -3712.50	34.16	35 1,31,250	9 33,750	45 1,68,750
12 Nov	266.95	8.8 ₹ 33,000	-0.7 -2625.00	34.41	43 1,61,250	15 56,250	35 1,31,250
11 Nov	265.66	9.5 ₹ 35,625	-4 -15000.00	35.45	16 60,000	14 52,500	19 71,250
10 Nov	257.36	13.5 ₹ 50,625	-36.15 -135562.50	36.70	6 22,500	5 18,750	5 18,750
7 Nov	234.73	49.65 ₹ 1,86,187.5	0 0.00	-	0 0	0 0	0 0
6 Nov	230.59	49.65 ₹ 1,86,187.5	0 0.00	-	0 0	0 0	0 0
3 Nov	238.66	49.65 ₹ 1,86,187.5	0 0.00	-	0 0	0 0	0 0
31 Oct	234.14	49.65 ₹ 1,86,187.5	0 0.00	-	0 0	0 0	0 0
30 Oct	238.08	49.65 ₹ 1,86,187.5	0 0.00	-	0 0	0 0	0 0
29 Oct	238.10	49.65 ₹ 1,86,187.5	0 0.00	-	0 0	0 0	0 0
28 Oct	236.76	0 ₹ 0	0 0.00	-	0 0	0 0	0 0
27 Oct	237.87	0 ₹ 0	0 0.00	-	0 0	0 0	0 0
24 Oct	236.10	0 ₹ 0	0 0.00	-	0 0	0 0	0 0

For National Aluminium Co Ltd - strike price 260 expiring on 30DEC2025

Delta for 260 PE is -0.20

Historical price for 260 PE is as follows

On 5 Dec NATIONALUM was trading at 273.15. The strike last trading price was 2.25, which was -1.35 lower than the previous day. The implied volatity was 26.98, the open interest changed by 71 which increased total open position to 571

On 4 Dec NATIONALUM was trading at 269.25. The strike last trading price was 3.6, which was -1.1 lower than the previous day. The implied volatity was 28.25, the open interest changed by 2 which increased total open position to 500

On 3 Dec NATIONALUM was trading at 266.50. The strike last trading price was 4.15, which was -1.25 lower than the previous day. The implied volatity was 28.45, the open interest changed by 34 which increased total open position to 493

On 2 Dec NATIONALUM was trading at 265.15. The strike last trading price was 5.5, which was -0.35 lower than the previous day. The implied volatity was 29.57, the open interest changed by 12 which increased total open position to 460

On 1 Dec NATIONALUM was trading at 263.80. The strike last trading price was 5.65, which was -1.8 lower than the previous day. The implied volatity was 28.66, the open interest changed by 12 which increased total open position to 449

On 28 Nov NATIONALUM was trading at 259.98. The strike last trading price was 7.25, which was 0.07 higher than the previous day. The implied volatity was 27.84, the open interest changed by 32 which increased total open position to 438

On 27 Nov NATIONALUM was trading at 261.33. The strike last trading price was 7.23, which was -1.13 lower than the previous day. The implied volatity was 28.30, the open interest changed by -40 which decreased total open position to 409

On 26 Nov NATIONALUM was trading at 258.18. The strike last trading price was 8.29, which was -2.6 lower than the previous day. The implied volatity was 27.11, the open interest changed by 62 which increased total open position to 451

On 25 Nov NATIONALUM was trading at 253.97. The strike last trading price was 11.07, which was -1.48 lower than the previous day. The implied volatity was 29.83, the open interest changed by 50 which increased total open position to 391

On 24 Nov NATIONALUM was trading at 251.06. The strike last trading price was 12.53, which was -0.64 lower than the previous day. The implied volatity was 27.52, the open interest changed by 144 which increased total open position to 341

On 21 Nov NATIONALUM was trading at 250.68. The strike last trading price was 13.5, which was 3.91 higher than the previous day. The implied volatity was 29.47, the open interest changed by 10 which increased total open position to 198

On 20 Nov NATIONALUM was trading at 257.62. The strike last trading price was 9.38, which was -0.39 lower than the previous day. The implied volatity was 29.68, the open interest changed by 11 which increased total open position to 188

On 19 Nov NATIONALUM was trading at 256.60. The strike last trading price was 9.6, which was -0.34 lower than the previous day. The implied volatity was 28.07, the open interest changed by 13 which increased total open position to 177

On 18 Nov NATIONALUM was trading at 257.30. The strike last trading price was 10.05, which was 1.54 higher than the previous day. The implied volatity was 29.28, the open interest changed by 105 which increased total open position to 163

On 17 Nov NATIONALUM was trading at 260.76. The strike last trading price was 8.46, which was 0.21 higher than the previous day. The implied volatity was 29.67, the open interest changed by 14 which increased total open position to 57

On 14 Nov NATIONALUM was trading at 262.57. The strike last trading price was 8.23, which was 0.42 higher than the previous day. The implied volatity was 30.65, the open interest changed by -2 which decreased total open position to 44

On 13 Nov NATIONALUM was trading at 268.67. The strike last trading price was 7.81, which was -0.99 lower than the previous day. The implied volatity was 34.16, the open interest changed by 9 which increased total open position to 45

On 12 Nov NATIONALUM was trading at 266.95. The strike last trading price was 8.8, which was -0.7 lower than the previous day. The implied volatity was 34.41, the open interest changed by 15 which increased total open position to 35

On 11 Nov NATIONALUM was trading at 265.66. The strike last trading price was 9.5, which was -4 lower than the previous day. The implied volatity was 35.45, the open interest changed by 14 which increased total open position to 19

On 10 Nov NATIONALUM was trading at 257.36. The strike last trading price was 13.5, which was -36.15 lower than the previous day. The implied volatity was 36.70, the open interest changed by 5 which increased total open position to 5

On 7 Nov NATIONALUM was trading at 234.73. The strike last trading price was 49.65, 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 6 Nov NATIONALUM was trading at 230.59. The strike last trading price was 49.65, 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 3 Nov NATIONALUM was trading at 238.66. The strike last trading price was 49.65, 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 31 Oct NATIONALUM was trading at 234.14. The strike last trading price was 49.65, 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 49.65, 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 49.65, 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 28 Oct NATIONALUM was trading at 236.76. 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 27 Oct NATIONALUM was trading at 237.87. 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 24 Oct NATIONALUM was trading at 236.10. 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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