NATIONALUM

National Aluminium Co Ltd

348.05 +14.55 (4.36%)

L: 328.85 H: 349.4

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Historical option data for NATIONALUM
09 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 27-JAN-2026 330 CE
Delta: 0.80 Vega: 0.21 Theta: -0.27 Gamma: 0.01
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
9 Jan	348.05	23.55 ₹ 88,312.5	9.35 35062.50	33.50	463 17,36,250	-16 -60,000	479 17,96,250
8 Jan	333.50	14 ₹ 52,500	-12 -45000.00	38.29	1,035 38,81,250	48 1,80,000	488 18,30,000
7 Jan	352.60	26.05 ₹ 97,687.5	3.15 11812.50	27.04	381 14,28,750	-34 -1,27,500	440 16,50,000
6 Jan	346.70	23.8 ₹ 89,250	11.7 43875.00	33.20	1,781 66,78,750	-342 -12,82,500	475 17,81,250
5 Jan	330.80	12.15 ₹ 45,562.5	0.3 1125.00	32.21	2,397 89,88,750	-102 -3,82,500	816 30,60,000

2 Jan	330.30	11.2 ₹ 42,000	5.5 20625.00	29.95	4,913 1,84,23,750	290 10,87,500	919 34,46,250
1 Jan	314.60	5.8 ₹ 21,750	-0.35 -1312.50	32.13	715 26,81,250	-39 -1,46,250	628 23,55,000
31 Dec	314.30	5.9 ₹ 22,125	-0.4 -1500.00	31.76	2,115 79,31,250	-80 -3,00,000	667 25,01,250
30 Dec	316.60	6.35 ₹ 23,812.5	3.4 12750.00	30.31	2,932 1,09,95,000	157 5,88,750	756 28,35,000
29 Dec	300.90	2.9 ₹ 10,875	-1.1 -4125.00	32.95	1,621 60,78,750	366 13,72,500	603 22,61,250
26 Dec	306.85	4 ₹ 15,000	2.1 7875.00	31.49	1,238 46,42,500	197 7,38,750	233 8,73,750
24 Dec	295.30	1.9 ₹ 7,125	0.65 2437.50	29.83	76 2,85,000	34 1,27,500	36 1,35,000

For National Aluminium Co Ltd - strike price 330 expiring on 27JAN2026

Delta for 330 CE is 0.80

Historical price for 330 CE is as follows

On 9 Jan NATIONALUM was trading at 348.05. The strike last trading price was 23.55, which was 9.35 higher than the previous day. The implied volatity was 33.50, the open interest changed by -16 which decreased total open position to 479

On 8 Jan NATIONALUM was trading at 333.50. The strike last trading price was 14, which was -12 lower than the previous day. The implied volatity was 38.29, the open interest changed by 48 which increased total open position to 488

On 7 Jan NATIONALUM was trading at 352.60. The strike last trading price was 26.05, which was 3.15 higher than the previous day. The implied volatity was 27.04, the open interest changed by -34 which decreased total open position to 440

On 6 Jan NATIONALUM was trading at 346.70. The strike last trading price was 23.8, which was 11.7 higher than the previous day. The implied volatity was 33.20, the open interest changed by -342 which decreased total open position to 475

On 5 Jan NATIONALUM was trading at 330.80. The strike last trading price was 12.15, which was 0.3 higher than the previous day. The implied volatity was 32.21, the open interest changed by -102 which decreased total open position to 816

On 2 Jan NATIONALUM was trading at 330.30. The strike last trading price was 11.2, which was 5.5 higher than the previous day. The implied volatity was 29.95, the open interest changed by 290 which increased total open position to 919

On 1 Jan NATIONALUM was trading at 314.60. The strike last trading price was 5.8, which was -0.35 lower than the previous day. The implied volatity was 32.13, the open interest changed by -39 which decreased total open position to 628

On 31 Dec NATIONALUM was trading at 314.30. The strike last trading price was 5.9, which was -0.4 lower than the previous day. The implied volatity was 31.76, the open interest changed by -80 which decreased total open position to 667

On 30 Dec NATIONALUM was trading at 316.60. The strike last trading price was 6.35, which was 3.4 higher than the previous day. The implied volatity was 30.31, the open interest changed by 157 which increased total open position to 756

On 29 Dec NATIONALUM was trading at 300.90. The strike last trading price was 2.9, which was -1.1 lower than the previous day. The implied volatity was 32.95, the open interest changed by 366 which increased total open position to 603

On 26 Dec NATIONALUM was trading at 306.85. The strike last trading price was 4, which was 2.1 higher than the previous day. The implied volatity was 31.49, the open interest changed by 197 which increased total open position to 233

On 24 Dec NATIONALUM was trading at 295.30. The strike last trading price was 1.9, which was 0.65 higher than the previous day. The implied volatity was 29.83, the open interest changed by 34 which increased total open position to 36

NATIONALUM 27JAN2026 330 PE
Delta: -0.23 Vega: 0.24 Theta: -0.24 Gamma: 0.01
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
9 Jan	348.05	4.35 ₹ 16,312.5	-4.75 -17812.50	39.79	2,000 75,00,000	28 1,05,000	623 23,36,250
8 Jan	333.50	9.35 ₹ 35,062.5	5 18750.00	38.33	3,761 1,41,03,750	-168 -6,30,000	598 22,42,500
7 Jan	352.60	4.25 ₹ 15,937.5	-1.2 -4500.00	41.06	1,645 61,68,750	157 5,88,750	764 28,65,000
6 Jan	346.70	5 ₹ 18,750	-4.45 -16687.50	39.08	3,109 1,16,58,750	104 3,90,000	608 22,80,000
5 Jan	330.80	9.25 ₹ 34,687.5	-0.85 -3187.50	33.56	1,581 59,28,750	241 9,03,750	501 18,78,750
2 Jan	330.30	10.25 ₹ 38,437.5	-8.85 -33187.50	32.44	555 20,81,250	137 5,13,750	272 10,20,000
1 Jan	314.60	19.05 ₹ 71,437.5	-0.75 -2812.50	34.05	45 1,68,750	-21 -78,750	137 5,13,750
31 Dec	314.30	20 ₹ 75,000	0.05 187.50	35.88	278 10,42,500	127 4,76,250	159 5,96,250
30 Dec	316.60	20.1 ₹ 75,375	-10.3 -38625.00	40.05	64 2,40,000	21 78,750	32 1,20,000
29 Dec	300.90	30.4 ₹ 1,14,000	5.3 19875.00	37.47	10 37,500	2 7,500	11 41,250
26 Dec	306.85	25.1 ₹ 94,125	-8.1 -30375.00	30.00	9 33,750	5 18,750	8 30,000
24 Dec	295.30	33.2 ₹ 1,24,500	-57.75 -216562.50	28.91	3 11,250	2 7,500	2 7,500

For National Aluminium Co Ltd - strike price 330 expiring on 27JAN2026

Delta for 330 PE is -0.23

Historical price for 330 PE is as follows

On 9 Jan NATIONALUM was trading at 348.05. The strike last trading price was 4.35, which was -4.75 lower than the previous day. The implied volatity was 39.79, the open interest changed by 28 which increased total open position to 623

On 8 Jan NATIONALUM was trading at 333.50. The strike last trading price was 9.35, which was 5 higher than the previous day. The implied volatity was 38.33, the open interest changed by -168 which decreased total open position to 598

On 7 Jan NATIONALUM was trading at 352.60. The strike last trading price was 4.25, which was -1.2 lower than the previous day. The implied volatity was 41.06, the open interest changed by 157 which increased total open position to 764

On 6 Jan NATIONALUM was trading at 346.70. The strike last trading price was 5, which was -4.45 lower than the previous day. The implied volatity was 39.08, the open interest changed by 104 which increased total open position to 608

On 5 Jan NATIONALUM was trading at 330.80. The strike last trading price was 9.25, which was -0.85 lower than the previous day. The implied volatity was 33.56, the open interest changed by 241 which increased total open position to 501

On 2 Jan NATIONALUM was trading at 330.30. The strike last trading price was 10.25, which was -8.85 lower than the previous day. The implied volatity was 32.44, the open interest changed by 137 which increased total open position to 272

On 1 Jan NATIONALUM was trading at 314.60. The strike last trading price was 19.05, which was -0.75 lower than the previous day. The implied volatity was 34.05, the open interest changed by -21 which decreased total open position to 137

On 31 Dec NATIONALUM was trading at 314.30. The strike last trading price was 20, which was 0.05 higher than the previous day. The implied volatity was 35.88, the open interest changed by 127 which increased total open position to 159

On 30 Dec NATIONALUM was trading at 316.60. The strike last trading price was 20.1, which was -10.3 lower than the previous day. The implied volatity was 40.05, the open interest changed by 21 which increased total open position to 32

On 29 Dec NATIONALUM was trading at 300.90. The strike last trading price was 30.4, which was 5.3 higher than the previous day. The implied volatity was 37.47, the open interest changed by 2 which increased total open position to 11

On 26 Dec NATIONALUM was trading at 306.85. The strike last trading price was 25.1, which was -8.1 lower than the previous day. The implied volatity was 30.00, the open interest changed by 5 which increased total open position to 8

On 24 Dec NATIONALUM was trading at 295.30. The strike last trading price was 33.2, which was -57.75 lower than the previous day. The implied volatity was 28.91, the open interest changed by 2 which increased total open position to 2

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