NATIONALUM

National Aluminium Co Ltd

295.3 +5.15 (1.77%)

L: 290.35 H: 298.6

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Historical option data for NATIONALUM
24 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 27-JAN-2026 290 CE
Delta: 0.64 Vega: 0.34 Theta: -0.19 Gamma: 0.01
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
24 Dec	295.30	14.9 ₹ 55,875	3.4 12750.00	29.02	219 8,21,250	20 75,000	174 6,52,500
23 Dec	290.15	11.35 ₹ 42,562.5	-0.05 -187.50	27.31	259 9,71,250	-10 -37,500	154 5,77,500
22 Dec	290.30	11.35 ₹ 42,562.5	4.9 18375.00	26.49	496 18,60,000	76 2,85,000	164 6,15,000
19 Dec	278.50	6.35 ₹ 23,812.5	-0.55 -2062.50	27.14	60 2,25,000	15 56,250	89 3,33,750

18 Dec	279.25	6.4 ₹ 24,000	-0.8 -3000.00	26.58	73 2,73,750	19 71,250	74 2,77,500
17 Dec	279.45	7.2 ₹ 27,000	0.35 1312.50	28.18	31 1,16,250	11 41,250	55 2,06,250
16 Dec	276.85	6.95 ₹ 26,062.5	-1.05 -3937.50	30.25	10 37,500	2 7,500	44 1,65,000
15 Dec	278.70	8 ₹ 30,000	0.55 2062.50	29.95	16 60,000	-2 -7,500	41 1,53,750
12 Dec	278.15	7.3 ₹ 27,375	3.75 14062.50	27.17	43 1,61,250	14 52,500	43 1,61,250
11 Dec	264.30	3.55 ₹ 13,312.5	-1.45 -5437.50	28.58	3 11,250	1 3,750	28 1,05,000
10 Dec	263.00	5 ₹ 18,750	-1.75 -6562.50	-	0 0	0 0	27 1,01,250
9 Dec	265.65	5 ₹ 18,750	-1.75 -6562.50	-	0 0	6 22,500	0 0
8 Dec	268.35	5 ₹ 18,750	-1.75 -6562.50	29.07	21 78,750	6 22,500	27 1,01,250
5 Dec	273.15	6.75 ₹ 25,312.5	1.35 5062.50	28.26	13 48,750	5 18,750	24 90,000
4 Dec	269.25	5.4 ₹ 20,250	0.6 2250.00	27.93	8 30,000	3 11,250	19 71,250
3 Dec	266.50	4.75 ₹ 17,812.5	0.34 1275.00	-	0 0	0 0	0 0
2 Dec	265.15	4.75 ₹ 17,812.5	0.34 1275.00	-	0 0	7 26,250	0 0
1 Dec	263.80	4.75 ₹ 17,812.5	0.34 1275.00	29.23	13 48,750	4 15,000	13 48,750
28 Nov	259.98	4.41 ₹ 16,537.5	0.41 1537.50	30.20	1 3,750	0 0	8 30,000
27 Nov	261.33	4 ₹ 15,000	-0.49 -1837.50	-	0 0	4 15,000	0 0
26 Nov	258.18	4 ₹ 15,000	-0.49 -1837.50	-	4 15,000	0 0	4 15,000
21 Nov	250.68	4.49 ₹ 16,837.5	-2.86 -10725.00	-	0 0	0 0	0 0
19 Nov	256.60	4.49 ₹ 16,837.5	-2.86 -10725.00	30.16	4 15,000	3 11,250	3 11,250
13 Nov	268.67	7.35 ₹ 27,562.5	0 0.00	-	0 0	0 0	0 0
12 Nov	266.95	7.35 ₹ 27,562.5	0 0.00	4.30	0 0	0 0	0 0

For National Aluminium Co Ltd - strike price 290 expiring on 27JAN2026

Delta for 290 CE is 0.64

Historical price for 290 CE is as follows

On 24 Dec NATIONALUM was trading at 295.30. The strike last trading price was 14.9, which was 3.4 higher than the previous day. The implied volatity was 29.02, the open interest changed by 20 which increased total open position to 174

On 23 Dec NATIONALUM was trading at 290.15. The strike last trading price was 11.35, which was -0.05 lower than the previous day. The implied volatity was 27.31, the open interest changed by -10 which decreased total open position to 154

On 22 Dec NATIONALUM was trading at 290.30. The strike last trading price was 11.35, which was 4.9 higher than the previous day. The implied volatity was 26.49, the open interest changed by 76 which increased total open position to 164

On 19 Dec NATIONALUM was trading at 278.50. The strike last trading price was 6.35, which was -0.55 lower than the previous day. The implied volatity was 27.14, the open interest changed by 15 which increased total open position to 89

On 18 Dec NATIONALUM was trading at 279.25. The strike last trading price was 6.4, which was -0.8 lower than the previous day. The implied volatity was 26.58, the open interest changed by 19 which increased total open position to 74

On 17 Dec NATIONALUM was trading at 279.45. The strike last trading price was 7.2, which was 0.35 higher than the previous day. The implied volatity was 28.18, the open interest changed by 11 which increased total open position to 55

On 16 Dec NATIONALUM was trading at 276.85. The strike last trading price was 6.95, which was -1.05 lower than the previous day. The implied volatity was 30.25, the open interest changed by 2 which increased total open position to 44

On 15 Dec NATIONALUM was trading at 278.70. The strike last trading price was 8, which was 0.55 higher than the previous day. The implied volatity was 29.95, the open interest changed by -2 which decreased total open position to 41

On 12 Dec NATIONALUM was trading at 278.15. The strike last trading price was 7.3, which was 3.75 higher than the previous day. The implied volatity was 27.17, the open interest changed by 14 which increased total open position to 43

On 11 Dec NATIONALUM was trading at 264.30. The strike last trading price was 3.55, which was -1.45 lower than the previous day. The implied volatity was 28.58, the open interest changed by 1 which increased total open position to 28

On 10 Dec NATIONALUM was trading at 263.00. The strike last trading price was 5, which was -1.75 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 27

On 9 Dec NATIONALUM was trading at 265.65. The strike last trading price was 5, which was -1.75 lower than the previous day. The implied volatity was -, the open interest changed by 6 which increased total open position to 0

On 8 Dec NATIONALUM was trading at 268.35. The strike last trading price was 5, which was -1.75 lower than the previous day. The implied volatity was 29.07, the open interest changed by 6 which increased total open position to 27

On 5 Dec NATIONALUM was trading at 273.15. The strike last trading price was 6.75, which was 1.35 higher than the previous day. The implied volatity was 28.26, the open interest changed by 5 which increased total open position to 24

On 4 Dec NATIONALUM was trading at 269.25. The strike last trading price was 5.4, which was 0.6 higher than the previous day. The implied volatity was 27.93, the open interest changed by 3 which increased total open position to 19

On 3 Dec NATIONALUM was trading at 266.50. The strike last trading price was 4.75, which was 0.34 higher than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0

On 2 Dec NATIONALUM was trading at 265.15. The strike last trading price was 4.75, which was 0.34 higher than the previous day. The implied volatity was -, the open interest changed by 7 which increased total open position to 0

On 1 Dec NATIONALUM was trading at 263.80. The strike last trading price was 4.75, which was 0.34 higher than the previous day. The implied volatity was 29.23, the open interest changed by 4 which increased total open position to 13

On 28 Nov NATIONALUM was trading at 259.98. The strike last trading price was 4.41, which was 0.41 higher than the previous day. The implied volatity was 30.20, the open interest changed by 0 which decreased total open position to 8

On 27 Nov NATIONALUM was trading at 261.33. The strike last trading price was 4, which was -0.49 lower than the previous day. The implied volatity was -, the open interest changed by 4 which increased total open position to 0

On 26 Nov NATIONALUM was trading at 258.18. The strike last trading price was 4, which was -0.49 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 4

On 21 Nov NATIONALUM was trading at 250.68. The strike last trading price was 4.49, which was -2.86 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0

On 19 Nov NATIONALUM was trading at 256.60. The strike last trading price was 4.49, which was -2.86 lower than the previous day. The implied volatity was 30.16, the open interest changed by 3 which increased total open position to 3

On 13 Nov NATIONALUM was trading at 268.67. The strike last trading price was 7.35, 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 12 Nov NATIONALUM was trading at 266.95. The strike last trading price was 7.35, which was 0 lower than the previous day. The implied volatity was 4.30, the open interest changed by 0 which decreased total open position to 0

NATIONALUM 27JAN2026 290 PE
Delta: -0.36 Vega: 0.34 Theta: -0.11 Gamma: 0.01
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
24 Dec	295.30	6.8 ₹ 25,500	-1.95 -7312.50	29.28	381 14,28,750	-1 -3,750	216 8,10,000
23 Dec	290.15	8.85 ₹ 33,187.5	-0.2 -750.00	28.91	258 9,67,500	56 2,10,000	217 8,13,750
22 Dec	290.30	9.3 ₹ 34,875	-6.7 -25125.00	30.11	272 10,20,000	89 3,33,750	161 6,03,750
19 Dec	278.50	16 ₹ 60,000	0.8 3000.00	30.65	13 48,750	6 22,500	72 2,70,000
18 Dec	279.25	15.2 ₹ 57,000	-0.4 -1500.00	28.58	81 3,03,750	58 2,17,500	65 2,43,750
17 Dec	279.45	15.6 ₹ 58,500	-2.75 -10312.50	29.80	6 22,500	4 15,000	6 22,500
16 Dec	276.85	18.35 ₹ 68,812.5	0.85 3187.50	32.26	1 3,750	0 0	2 7,500
15 Dec	278.70	17.5 ₹ 65,625	-38.7 -145125.00	-	0 0	0 0	0 0
12 Dec	278.15	17.5 ₹ 65,625	-38.7 -145125.00	32.71	3 11,250	2 7,500	2 7,500
11 Dec	264.30	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
10 Dec	263.00	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
9 Dec	265.65	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
8 Dec	268.35	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
5 Dec	273.15	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
4 Dec	269.25	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
3 Dec	266.50	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
2 Dec	265.15	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
1 Dec	263.80	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
28 Nov	259.98	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
27 Nov	261.33	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
26 Nov	258.18	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
21 Nov	250.68	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
19 Nov	256.60	56.2 ₹ 2,10,750	0 0.00	-	0 0	0 0	0 0
13 Nov	268.67	0 ₹ 0	0 0.00	-	0 0	0 0	0 0
12 Nov	266.95	0 ₹ 0	0 0.00	-	0 0	0 0	0 0

For National Aluminium Co Ltd - strike price 290 expiring on 27JAN2026

Delta for 290 PE is -0.36

Historical price for 290 PE is as follows

On 24 Dec NATIONALUM was trading at 295.30. The strike last trading price was 6.8, which was -1.95 lower than the previous day. The implied volatity was 29.28, the open interest changed by -1 which decreased total open position to 216

On 23 Dec NATIONALUM was trading at 290.15. The strike last trading price was 8.85, which was -0.2 lower than the previous day. The implied volatity was 28.91, the open interest changed by 56 which increased total open position to 217

On 22 Dec NATIONALUM was trading at 290.30. The strike last trading price was 9.3, which was -6.7 lower than the previous day. The implied volatity was 30.11, the open interest changed by 89 which increased total open position to 161

On 19 Dec NATIONALUM was trading at 278.50. The strike last trading price was 16, which was 0.8 higher than the previous day. The implied volatity was 30.65, the open interest changed by 6 which increased total open position to 72

On 18 Dec NATIONALUM was trading at 279.25. The strike last trading price was 15.2, which was -0.4 lower than the previous day. The implied volatity was 28.58, the open interest changed by 58 which increased total open position to 65

On 17 Dec NATIONALUM was trading at 279.45. The strike last trading price was 15.6, which was -2.75 lower than the previous day. The implied volatity was 29.80, the open interest changed by 4 which increased total open position to 6

On 16 Dec NATIONALUM was trading at 276.85. The strike last trading price was 18.35, which was 0.85 higher than the previous day. The implied volatity was 32.26, the open interest changed by 0 which decreased total open position to 2

On 15 Dec NATIONALUM was trading at 278.70. The strike last trading price was 17.5, which was -38.7 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0

On 12 Dec NATIONALUM was trading at 278.15. The strike last trading price was 17.5, which was -38.7 lower than the previous day. The implied volatity was 32.71, the open interest changed by 2 which increased total open position to 2

On 11 Dec NATIONALUM was trading at 264.30. The strike last trading price was 56.2, 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 10 Dec NATIONALUM was trading at 263.00. The strike last trading price was 56.2, 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 9 Dec NATIONALUM was trading at 265.65. The strike last trading price was 56.2, 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 8 Dec NATIONALUM was trading at 268.35. The strike last trading price was 56.2, 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 5 Dec NATIONALUM was trading at 273.15. The strike last trading price was 56.2, 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 4 Dec NATIONALUM was trading at 269.25. The strike last trading price was 56.2, 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 Dec NATIONALUM was trading at 266.50. The strike last trading price was 56.2, 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 2 Dec NATIONALUM was trading at 265.15. The strike last trading price was 56.2, 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 1 Dec NATIONALUM was trading at 263.80. The strike last trading price was 56.2, 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 Nov NATIONALUM was trading at 259.98. The strike last trading price was 56.2, 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 Nov NATIONALUM was trading at 261.33. The strike last trading price was 56.2, 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 26 Nov NATIONALUM was trading at 258.18. The strike last trading price was 56.2, 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 21 Nov NATIONALUM was trading at 250.68. The strike last trading price was 56.2, 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 19 Nov NATIONALUM was trading at 256.60. The strike last trading price was 56.2, 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 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 12 Nov NATIONALUM was trading at 266.95. 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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