NATIONALUM

National Aluminium Co Ltd

278.5 -0.75 (-0.27%)

L: 276.7 H: 281.45

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Historical option data for NATIONALUM
21 Dec 2025 04:11 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 280 CE
Delta: - Vega: - Theta: - Gamma: -
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
21 Dec	278.50	10.45 ₹ 39,187.5	-0.35 -1312.50	-	169 6,33,750	43 1,61,250	333 12,48,750
20 Dec	278.50	10.45 ₹ 39,187.5	-0.35 -1312.50	-	169 6,33,750	43 1,61,250	333 12,48,750
14 Dec	278.15	11.55 ₹ 43,312.5	5.55 20812.50	-	142 5,32,500	5 18,750	72 2,70,000
13 Dec	278.15	11.55 ₹ 43,312.5	5.55 20812.50	-	142 5,32,500	5 18,750	72 2,70,000
7 Dec	273.15	10.1 ₹ 37,875	2.3 8625.00	-	31 1,16,250	7 26,250	46 1,72,500
5 Dec	273.15	10.1 ₹ 37,875	2.3 8625.00	27.33	31 1,16,250	6 22,500	46 1,72,500
30 Nov	259.98	6.93 ₹ 25,987.5	0.23 862.50	-	7 26,250	2 7,500	27 1,01,250
29 Nov	259.98	6.93 ₹ 25,987.5	0.23 862.50	-	7 26,250	2 7,500	27 1,01,250

23 Nov	250.68	4.25 ₹ 15,937.5	-2.62 -9825.00	-	1 3,750	0 0	6 22,500
22 Nov	250.68	4.25 ₹ 15,937.5	-2.62 -9825.00	-	1 3,750	0 0	6 22,500
16 Nov	262.57	10.25 ₹ 38,437.5	2.25 8437.50	-	0 0	0 0	0 0
15 Nov	262.57	10.25 ₹ 38,437.5	2.25 8437.50	-	0 0	0 0	0 0
14 Nov	262.57	10.25 ₹ 38,437.5	2.25 8437.50	-	0 0	1 3,750	0 0
13 Nov	268.67	10.25 ₹ 38,437.5	2.25 8437.50	-	1 3,750	0 0	4 15,000

For National Aluminium Co Ltd - strike price 280 expiring on 27JAN2026

Delta for 280 CE is -

Historical price for 280 CE is as follows

On 21 Dec NATIONALUM was trading at 278.50. The strike last trading price was 10.45, which was -0.35 lower than the previous day. The implied volatity was -, the open interest changed by 43 which increased total open position to 333

On 20 Dec NATIONALUM was trading at 278.50. The strike last trading price was 10.45, which was -0.35 lower than the previous day. The implied volatity was -, the open interest changed by 43 which increased total open position to 333

On 14 Dec NATIONALUM was trading at 278.15. The strike last trading price was 11.55, which was 5.55 higher than the previous day. The implied volatity was -, the open interest changed by 5 which increased total open position to 72

On 13 Dec NATIONALUM was trading at 278.15. The strike last trading price was 11.55, which was 5.55 higher than the previous day. The implied volatity was -, the open interest changed by 5 which increased total open position to 72

On 7 Dec NATIONALUM was trading at 273.15. The strike last trading price was 10.1, which was 2.3 higher than the previous day. The implied volatity was -, the open interest changed by 7 which increased total open position to 46

On 5 Dec NATIONALUM was trading at 273.15. The strike last trading price was 10.1, which was 2.3 higher than the previous day. The implied volatity was 27.33, the open interest changed by 6 which increased total open position to 46

On 30 Nov NATIONALUM was trading at 259.98. The strike last trading price was 6.93, which was 0.23 higher than the previous day. The implied volatity was -, the open interest changed by 2 which increased total open position to 27

On 29 Nov NATIONALUM was trading at 259.98. The strike last trading price was 6.93, which was 0.23 higher than the previous day. The implied volatity was -, the open interest changed by 2 which increased total open position to 27

On 23 Nov NATIONALUM was trading at 250.68. The strike last trading price was 4.25, which was -2.62 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 6

On 22 Nov NATIONALUM was trading at 250.68. The strike last trading price was 4.25, which was -2.62 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 6

On 16 Nov NATIONALUM was trading at 262.57. The strike last trading price was 10.25, which was 2.25 higher than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0

On 15 Nov NATIONALUM was trading at 262.57. The strike last trading price was 10.25, which was 2.25 higher than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0

On 14 Nov NATIONALUM was trading at 262.57. The strike last trading price was 10.25, which was 2.25 higher than the previous day. The implied volatity was -, the open interest changed by 1 which increased total open position to 0

On 13 Nov NATIONALUM was trading at 268.67. The strike last trading price was 10.25, which was 2.25 higher than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 4

NATIONALUM 27JAN2026 280 PE
Delta: - Vega: - Theta: - Gamma: -
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
21 Dec	278.50	8.8 ₹ 33,000	-0.75 -2812.50	-	80 3,00,000	34 1,27,500	336 12,60,000
20 Dec	278.50	8.8 ₹ 33,000	-0.75 -2812.50	-	80 3,00,000	34 1,27,500	336 12,60,000
14 Dec	278.15	11.3 ₹ 42,375	-5.2 -19500.00	-	28 1,05,000	18 67,500	31 1,16,250
13 Dec	278.15	11.3 ₹ 42,375	-5.2 -19500.00	-	28 1,05,000	18 67,500	31 1,16,250
7 Dec	273.15	14 ₹ 52,500	-3.4 -12750.00	-	2 7,500	2 7,500	5 18,750
5 Dec	273.15	14 ₹ 52,500	-3.4 -12750.00	30.19	2 7,500	0 0	5 18,750
30 Nov	259.98	26.53 ₹ 99,487.5	-21.82 -81825.00	-	0 0	0 0	0 0
29 Nov	259.98	26.53 ₹ 99,487.5	-21.82 -81825.00	-	0 0	0 0	0 0
23 Nov	250.68	48.35 ₹ 1,81,312.5	0 0.00	-	0 0	0 0	0 0
22 Nov	250.68	48.35 ₹ 1,81,312.5	0 0.00	-	0 0	0 0	0 0
16 Nov	262.57	48.35 ₹ 1,81,312.5	0 0.00	-	0 0	0 0	0 0
15 Nov	262.57	48.35 ₹ 1,81,312.5	0 0.00	-	0 0	0 0	0 0
14 Nov	262.57	48.35 ₹ 1,81,312.5	0 0.00	-	0 0	0 0	0 0
13 Nov	268.67	48.35 ₹ 1,81,312.5	0 0.00	-	0 0	0 0	0 0

For National Aluminium Co Ltd - strike price 280 expiring on 27JAN2026

Delta for 280 PE is -

Historical price for 280 PE is as follows

On 21 Dec NATIONALUM was trading at 278.50. The strike last trading price was 8.8, which was -0.75 lower than the previous day. The implied volatity was -, the open interest changed by 34 which increased total open position to 336

On 20 Dec NATIONALUM was trading at 278.50. The strike last trading price was 8.8, which was -0.75 lower than the previous day. The implied volatity was -, the open interest changed by 34 which increased total open position to 336

On 14 Dec NATIONALUM was trading at 278.15. The strike last trading price was 11.3, which was -5.2 lower than the previous day. The implied volatity was -, the open interest changed by 18 which increased total open position to 31

On 13 Dec NATIONALUM was trading at 278.15. The strike last trading price was 11.3, which was -5.2 lower than the previous day. The implied volatity was -, the open interest changed by 18 which increased total open position to 31

On 7 Dec NATIONALUM was trading at 273.15. The strike last trading price was 14, which was -3.4 lower than the previous day. The implied volatity was -, the open interest changed by 2 which increased total open position to 5

On 5 Dec NATIONALUM was trading at 273.15. The strike last trading price was 14, which was -3.4 lower than the previous day. The implied volatity was 30.19, the open interest changed by 0 which decreased total open position to 5

On 30 Nov NATIONALUM was trading at 259.98. The strike last trading price was 26.53, which was -21.82 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0

On 29 Nov NATIONALUM was trading at 259.98. The strike last trading price was 26.53, which was -21.82 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0

On 23 Nov NATIONALUM was trading at 250.68. The strike last trading price was 48.35, 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 22 Nov NATIONALUM was trading at 250.68. The strike last trading price was 48.35, 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 Nov NATIONALUM was trading at 262.57. The strike last trading price was 48.35, 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 15 Nov NATIONALUM was trading at 262.57. The strike last trading price was 48.35, 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 Nov NATIONALUM was trading at 262.57. The strike last trading price was 48.35, 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 Nov NATIONALUM was trading at 268.67. The strike last trading price was 48.35, 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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