NATIONALUM

National Aluminium Co Ltd

278.15 +13.85 (5.24%)

L: 266.35 H: 279.75

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Historical option data for NATIONALUM
12 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 270 CE
Delta: 0.75 Vega: 0.20 Theta: -0.19 Gamma: 0.02
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
12 Dec	278.15	12.05 ₹ 45,187.5	6.95 26062.50	25.01	4,659 1,74,71,250	-702 -26,32,500	598 22,42,500
11 Dec	264.30	5.15 ₹ 19,312.5	0.3 1125.00	28.99	1,664 62,40,000	208 7,80,000	1,305 48,93,750
10 Dec	263.00	4.75 ₹ 17,812.5	-0.85 -3187.50	28.59	1,489 55,83,750	68 2,55,000	1,105 41,43,750
9 Dec	265.65	5.55 ₹ 20,812.5	-1.65 -6187.50	28.00	1,785 66,93,750	211 7,91,250	1,040 39,00,000
8 Dec	268.35	7.2 ₹ 27,000	-2.65 -9937.50	28.89	1,016 38,10,000	45 1,68,750	829 31,08,750
5 Dec	273.15	9.75 ₹ 36,562.5	1.95 7312.50	24.44	3,312 1,24,20,000	-490 -18,37,500	784 29,40,000
4 Dec	269.25	7.7 ₹ 28,875	0.65 2437.50	24.92	2,672 1,00,20,000	84 3,15,000	1,274 47,77,500
3 Dec	266.50	7.25 ₹ 27,187.5	0.6 2250.00	25.22	1,148 43,05,000	109 4,08,750	1,190 44,62,500
2 Dec	265.15	6.5 ₹ 24,375	0.15 562.50	26.78	1,133 42,48,750	31 1,16,250	1,080 40,50,000
1 Dec	263.80	6.25 ₹ 23,437.5	1.05 3937.50	26.57	3,014 1,13,02,500	148 5,55,000	1,055 39,56,250
28 Nov	259.98	5.27 ₹ 19,762.5	-0.49 -1837.50	26.94	1,147 43,01,250	34 1,27,500	907 34,01,250
27 Nov	261.33	5.7 ₹ 21,375	1.21 4537.50	27.10	1,927 72,26,250	158 5,92,500	861 32,28,750
26 Nov	258.18	4.47 ₹ 16,762.5	0.88 3300.00	26.16	1,047 39,26,250	122 4,57,500	698 26,17,500
25 Nov	253.97	3.5 ₹ 13,125	0.47 1762.50	26.28	581 21,78,750	71 2,66,250	575 21,56,250
24 Nov	251.06	3.1 ₹ 11,625	-0.03 -112.50	28.05	380 14,25,000	18 67,500	500 18,75,000

21 Nov	250.68	3.1 ₹ 11,625	-2.96 -11100.00	26.99	491 18,41,250	78 2,92,500	481 18,03,750
20 Nov	257.62	6.4 ₹ 24,000	1.27 4762.50	28.96	721 27,03,750	105 3,93,750	340 12,75,000
19 Nov	256.60	5.25 ₹ 19,687.5	-0.13 -487.50	26.67	199 7,46,250	47 1,76,250	236 8,85,000
18 Nov	257.30	5.33 ₹ 19,987.5	-1.95 -7312.50	26.40	146 5,47,500	33 1,23,750	189 7,08,750
17 Nov	260.76	7.3 ₹ 27,375	-1.05 -3937.50	27.08	121 4,53,750	56 2,10,000	155 5,81,250
14 Nov	262.57	8.46 ₹ 31,725	-1.15 -4312.50	26.51	82 3,07,500	30 1,12,500	99 3,71,250
13 Nov	268.67	9.83 ₹ 36,862.5	1.37 5137.50	23.18	52 1,95,000	17 63,750	69 2,58,750
12 Nov	266.95	8.4 ₹ 31,500	-0.13 -487.50	22.29	63 2,36,250	5 18,750	57 2,13,750
11 Nov	265.66	8.36 ₹ 31,350	2.7 10125.00	22.65	142 5,32,500	26 97,500	52 1,95,000
10 Nov	257.36	5.7 ₹ 21,375	2.05 7687.50	24.70	46 1,72,500	26 97,500	27 1,01,250
29 Oct	238.10	3.65 ₹ 13,687.5	0.75 2812.50	31.26	1 3,750	0 0	1 3,750

For National Aluminium Co Ltd - strike price 270 expiring on 30DEC2025

Delta for 270 CE is 0.75

Historical price for 270 CE is as follows

On 12 Dec NATIONALUM was trading at 278.15. The strike last trading price was 12.05, which was 6.95 higher than the previous day. The implied volatity was 25.01, the open interest changed by -702 which decreased total open position to 598

On 11 Dec NATIONALUM was trading at 264.30. The strike last trading price was 5.15, which was 0.3 higher than the previous day. The implied volatity was 28.99, the open interest changed by 208 which increased total open position to 1305

On 10 Dec NATIONALUM was trading at 263.00. The strike last trading price was 4.75, which was -0.85 lower than the previous day. The implied volatity was 28.59, the open interest changed by 68 which increased total open position to 1105

On 9 Dec NATIONALUM was trading at 265.65. The strike last trading price was 5.55, which was -1.65 lower than the previous day. The implied volatity was 28.00, the open interest changed by 211 which increased total open position to 1040

On 8 Dec NATIONALUM was trading at 268.35. The strike last trading price was 7.2, which was -2.65 lower than the previous day. The implied volatity was 28.89, the open interest changed by 45 which increased total open position to 829

On 5 Dec NATIONALUM was trading at 273.15. The strike last trading price was 9.75, which was 1.95 higher than the previous day. The implied volatity was 24.44, the open interest changed by -490 which decreased total open position to 784

On 4 Dec NATIONALUM was trading at 269.25. The strike last trading price was 7.7, which was 0.65 higher than the previous day. The implied volatity was 24.92, the open interest changed by 84 which increased total open position to 1274

On 3 Dec NATIONALUM was trading at 266.50. The strike last trading price was 7.25, which was 0.6 higher than the previous day. The implied volatity was 25.22, the open interest changed by 109 which increased total open position to 1190

On 2 Dec NATIONALUM was trading at 265.15. The strike last trading price was 6.5, which was 0.15 higher than the previous day. The implied volatity was 26.78, the open interest changed by 31 which increased total open position to 1080

On 1 Dec NATIONALUM was trading at 263.80. The strike last trading price was 6.25, which was 1.05 higher than the previous day. The implied volatity was 26.57, the open interest changed by 148 which increased total open position to 1055

On 28 Nov NATIONALUM was trading at 259.98. The strike last trading price was 5.27, which was -0.49 lower than the previous day. The implied volatity was 26.94, the open interest changed by 34 which increased total open position to 907

On 27 Nov NATIONALUM was trading at 261.33. The strike last trading price was 5.7, which was 1.21 higher than the previous day. The implied volatity was 27.10, the open interest changed by 158 which increased total open position to 861

On 26 Nov NATIONALUM was trading at 258.18. The strike last trading price was 4.47, which was 0.88 higher than the previous day. The implied volatity was 26.16, the open interest changed by 122 which increased total open position to 698

On 25 Nov NATIONALUM was trading at 253.97. The strike last trading price was 3.5, which was 0.47 higher than the previous day. The implied volatity was 26.28, the open interest changed by 71 which increased total open position to 575

On 24 Nov NATIONALUM was trading at 251.06. The strike last trading price was 3.1, which was -0.03 lower than the previous day. The implied volatity was 28.05, the open interest changed by 18 which increased total open position to 500

On 21 Nov NATIONALUM was trading at 250.68. The strike last trading price was 3.1, which was -2.96 lower than the previous day. The implied volatity was 26.99, the open interest changed by 78 which increased total open position to 481

On 20 Nov NATIONALUM was trading at 257.62. The strike last trading price was 6.4, which was 1.27 higher than the previous day. The implied volatity was 28.96, the open interest changed by 105 which increased total open position to 340

On 19 Nov NATIONALUM was trading at 256.60. The strike last trading price was 5.25, which was -0.13 lower than the previous day. The implied volatity was 26.67, the open interest changed by 47 which increased total open position to 236

On 18 Nov NATIONALUM was trading at 257.30. The strike last trading price was 5.33, which was -1.95 lower than the previous day. The implied volatity was 26.40, the open interest changed by 33 which increased total open position to 189

On 17 Nov NATIONALUM was trading at 260.76. The strike last trading price was 7.3, which was -1.05 lower than the previous day. The implied volatity was 27.08, the open interest changed by 56 which increased total open position to 155

On 14 Nov NATIONALUM was trading at 262.57. The strike last trading price was 8.46, which was -1.15 lower than the previous day. The implied volatity was 26.51, the open interest changed by 30 which increased total open position to 99

On 13 Nov NATIONALUM was trading at 268.67. The strike last trading price was 9.83, which was 1.37 higher than the previous day. The implied volatity was 23.18, the open interest changed by 17 which increased total open position to 69

On 12 Nov NATIONALUM was trading at 266.95. The strike last trading price was 8.4, which was -0.13 lower than the previous day. The implied volatity was 22.29, the open interest changed by 5 which increased total open position to 57

On 11 Nov NATIONALUM was trading at 265.66. The strike last trading price was 8.36, which was 2.7 higher than the previous day. The implied volatity was 22.65, the open interest changed by 26 which increased total open position to 52

On 10 Nov NATIONALUM was trading at 257.36. The strike last trading price was 5.7, which was 2.05 higher than the previous day. The implied volatity was 24.70, the open interest changed by 26 which increased total open position to 27

On 29 Oct NATIONALUM was trading at 238.10. The strike last trading price was 3.65, which was 0.75 higher than the previous day. The implied volatity was 31.26, the open interest changed by 0 which decreased total open position to 1

NATIONALUM 30DEC2025 270 PE
Delta: -0.28 Vega: 0.21 Theta: -0.14 Gamma: 0.02
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
12 Dec	278.15	3.1 ₹ 11,625	-6.15 -23062.50	28.35	2,399 89,96,250	433 16,23,750	902 33,82,500
11 Dec	264.30	9.25 ₹ 34,687.5	-1.4 -5250.00	28.78	136 5,10,000	12 45,000	471 17,66,250
10 Dec	263.00	10.6 ₹ 39,750	1.5 5625.00	30.80	171 6,41,250	-9 -33,750	459 17,21,250
9 Dec	265.65	9.5 ₹ 35,625	2.1 7875.00	29.98	376 14,10,000	-40 -1,50,000	472 17,70,000
8 Dec	268.35	7.5 ₹ 28,125	2.3 8625.00	27.07	919 34,46,250	27 1,01,250	513 19,23,750
5 Dec	273.15	5.1 ₹ 19,125	-2.5 -9375.00	26.08	1,779 66,71,250	-276 -10,35,000	496 18,60,000
4 Dec	269.25	7.55 ₹ 28,312.5	-1.55 -5812.50	28.31	769 28,83,750	28 1,05,000	773 28,98,750
3 Dec	266.50	8.6 ₹ 32,250	-1.7 -6375.00	29.31	199 7,46,250	62 2,32,500	741 27,78,750
2 Dec	265.15	10.4 ₹ 39,000	-0.2 -750.00	30.08	167 6,26,250	8 30,000	680 25,50,000
1 Dec	263.80	10.4 ₹ 39,000	-2.61 -9787.50	28.23	973 36,48,750	230 8,62,500	672 25,20,000
28 Nov	259.98	13.07 ₹ 49,012.5	0.51 1912.50	28.83	92 3,45,000	52 1,95,000	442 16,57,500
27 Nov	261.33	12.49 ₹ 46,837.5	-1.87 -7012.50	27.83	117 4,38,750	53 1,98,750	390 14,62,500
26 Nov	258.18	14.34 ₹ 53,775	-3.14 -11775.00	27.55	38 1,42,500	13 48,750	338 12,67,500
25 Nov	253.97	17.78 ₹ 66,675	-1.66 -6225.00	30.86	70 2,62,500	7 26,250	325 12,18,750
24 Nov	251.06	19.43 ₹ 72,862.5	-1.1 -4125.00	26.83	17 63,750	-2 -7,500	318 11,92,500
21 Nov	250.68	20.55 ₹ 77,062.5	5.33 19987.50	30.01	39 1,46,250	0 0	322 12,07,500
20 Nov	257.62	15.18 ₹ 56,925	-1.97 -7387.50	30.10	73 2,73,750	7 26,250	322 12,07,500
19 Nov	256.60	17.15 ₹ 64,312.5	1.04 3900.00	33.13	19 71,250	3 11,250	315 11,81,250
18 Nov	257.30	16.11 ₹ 60,412.5	2.41 9037.50	29.96	60 2,25,000	2 7,500	312 11,70,000
17 Nov	260.76	13.43 ₹ 50,362.5	-0.7 -2625.00	28.98	307 11,51,250	227 8,51,250	311 11,66,250
14 Nov	262.57	14.13 ₹ 52,987.5	1.15 4312.50	33.33	57 2,13,750	21 78,750	85 3,18,750
13 Nov	268.67	12.7 ₹ 47,625	-1.05 -3937.50	35.56	48 1,80,000	14 52,500	65 2,43,750
12 Nov	266.95	13.75 ₹ 51,562.5	-1.15 -4312.50	35.23	55 2,06,250	34 1,27,500	51 1,91,250
11 Nov	265.66	14.9 ₹ 55,875	-5.1 -19125.00	37.19	23 86,250	10 37,500	16 60,000
10 Nov	257.36	20 ₹ 75,000	-37.8 -141750.00	38.97	6 22,500	5 18,750	5 18,750
29 Oct	238.10	57.8 ₹ 2,16,750	0 0.00	-	0 0	0 0	0 0

For National Aluminium Co Ltd - strike price 270 expiring on 30DEC2025

Delta for 270 PE is -0.28

Historical price for 270 PE is as follows

On 12 Dec NATIONALUM was trading at 278.15. The strike last trading price was 3.1, which was -6.15 lower than the previous day. The implied volatity was 28.35, the open interest changed by 433 which increased total open position to 902

On 11 Dec NATIONALUM was trading at 264.30. The strike last trading price was 9.25, which was -1.4 lower than the previous day. The implied volatity was 28.78, the open interest changed by 12 which increased total open position to 471

On 10 Dec NATIONALUM was trading at 263.00. The strike last trading price was 10.6, which was 1.5 higher than the previous day. The implied volatity was 30.80, the open interest changed by -9 which decreased total open position to 459

On 9 Dec NATIONALUM was trading at 265.65. The strike last trading price was 9.5, which was 2.1 higher than the previous day. The implied volatity was 29.98, the open interest changed by -40 which decreased total open position to 472

On 8 Dec NATIONALUM was trading at 268.35. The strike last trading price was 7.5, which was 2.3 higher than the previous day. The implied volatity was 27.07, the open interest changed by 27 which increased total open position to 513

On 5 Dec NATIONALUM was trading at 273.15. The strike last trading price was 5.1, which was -2.5 lower than the previous day. The implied volatity was 26.08, the open interest changed by -276 which decreased total open position to 496

On 4 Dec NATIONALUM was trading at 269.25. The strike last trading price was 7.55, which was -1.55 lower than the previous day. The implied volatity was 28.31, the open interest changed by 28 which increased total open position to 773

On 3 Dec NATIONALUM was trading at 266.50. The strike last trading price was 8.6, which was -1.7 lower than the previous day. The implied volatity was 29.31, the open interest changed by 62 which increased total open position to 741

On 2 Dec NATIONALUM was trading at 265.15. The strike last trading price was 10.4, which was -0.2 lower than the previous day. The implied volatity was 30.08, the open interest changed by 8 which increased total open position to 680

On 1 Dec NATIONALUM was trading at 263.80. The strike last trading price was 10.4, which was -2.61 lower than the previous day. The implied volatity was 28.23, the open interest changed by 230 which increased total open position to 672

On 28 Nov NATIONALUM was trading at 259.98. The strike last trading price was 13.07, which was 0.51 higher than the previous day. The implied volatity was 28.83, the open interest changed by 52 which increased total open position to 442

On 27 Nov NATIONALUM was trading at 261.33. The strike last trading price was 12.49, which was -1.87 lower than the previous day. The implied volatity was 27.83, the open interest changed by 53 which increased total open position to 390

On 26 Nov NATIONALUM was trading at 258.18. The strike last trading price was 14.34, which was -3.14 lower than the previous day. The implied volatity was 27.55, the open interest changed by 13 which increased total open position to 338

On 25 Nov NATIONALUM was trading at 253.97. The strike last trading price was 17.78, which was -1.66 lower than the previous day. The implied volatity was 30.86, the open interest changed by 7 which increased total open position to 325

On 24 Nov NATIONALUM was trading at 251.06. The strike last trading price was 19.43, which was -1.1 lower than the previous day. The implied volatity was 26.83, the open interest changed by -2 which decreased total open position to 318

On 21 Nov NATIONALUM was trading at 250.68. The strike last trading price was 20.55, which was 5.33 higher than the previous day. The implied volatity was 30.01, the open interest changed by 0 which decreased total open position to 322

On 20 Nov NATIONALUM was trading at 257.62. The strike last trading price was 15.18, which was -1.97 lower than the previous day. The implied volatity was 30.10, the open interest changed by 7 which increased total open position to 322

On 19 Nov NATIONALUM was trading at 256.60. The strike last trading price was 17.15, which was 1.04 higher than the previous day. The implied volatity was 33.13, the open interest changed by 3 which increased total open position to 315

On 18 Nov NATIONALUM was trading at 257.30. The strike last trading price was 16.11, which was 2.41 higher than the previous day. The implied volatity was 29.96, the open interest changed by 2 which increased total open position to 312

On 17 Nov NATIONALUM was trading at 260.76. The strike last trading price was 13.43, which was -0.7 lower than the previous day. The implied volatity was 28.98, the open interest changed by 227 which increased total open position to 311

On 14 Nov NATIONALUM was trading at 262.57. The strike last trading price was 14.13, which was 1.15 higher than the previous day. The implied volatity was 33.33, the open interest changed by 21 which increased total open position to 85

On 13 Nov NATIONALUM was trading at 268.67. The strike last trading price was 12.7, which was -1.05 lower than the previous day. The implied volatity was 35.56, the open interest changed by 14 which increased total open position to 65

On 12 Nov NATIONALUM was trading at 266.95. The strike last trading price was 13.75, which was -1.15 lower than the previous day. The implied volatity was 35.23, the open interest changed by 34 which increased total open position to 51

On 11 Nov NATIONALUM was trading at 265.66. The strike last trading price was 14.9, which was -5.1 lower than the previous day. The implied volatity was 37.19, the open interest changed by 10 which increased total open position to 16

On 10 Nov NATIONALUM was trading at 257.36. The strike last trading price was 20, which was -37.8 lower than the previous day. The implied volatity was 38.97, the open interest changed by 5 which increased total open position to 5

On 29 Oct NATIONALUM was trading at 238.10. The strike last trading price was 57.8, 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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