NATIONALUM

National Aluminium Co Ltd

277.4 -1.85 (-0.66%)

L: 276.7 H: 281.45

Back to Option Chain

Historical option data for NATIONALUM
19 Dec 2025 02:35 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 272.5 CE
Delta: 0.70 Vega: 0.17 Theta: -0.24 Gamma: 0.03
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
19 Dec	277.50	8.15 ₹ 30,562.5	-1.35 -5062.50	24.53	72 2,70,000	15 56,250	203 7,61,250
18 Dec	279.25	9.1 ₹ 34,125	-1.15 -4312.50	23.55	27 1,01,250	-12 -45,000	188 7,05,000
17 Dec	279.45	10.25 ₹ 38,437.5	1.6 6000.00	28.00	45 1,68,750	-7 -26,250	200 7,50,000
16 Dec	276.85	8.1 ₹ 30,375	-2.2 -8250.00	25.88	64 2,40,000	-13 -48,750	208 7,80,000
15 Dec	278.70	10.4 ₹ 39,000	0.1 375.00	27.21	40 1,50,000	-5 -18,750	223 8,36,250
12 Dec	278.15	10.1 ₹ 37,875	5.85 21937.50	24.04	1,311 49,16,250	-154 -5,77,500	230 8,62,500
11 Dec	264.30	4.15 ₹ 15,562.5	0.1 375.00	28.61	222 8,32,500	22 82,500	386 14,47,500

10 Dec	263.00	4.1 ₹ 15,375	-0.6 -2250.00	29.50	329 12,33,750	35 1,31,250	365 13,68,750
9 Dec	265.65	4.45 ₹ 16,687.5	-1.65 -6187.50	27.39	305 11,43,750	44 1,65,000	336 12,60,000
8 Dec	268.35	6 ₹ 22,500	-2.55 -9562.50	28.52	193 7,23,750	24 90,000	292 10,95,000
5 Dec	273.15	8.45 ₹ 31,687.5	1.9 7125.00	24.90	809 30,33,750	-90 -3,37,500	271 10,16,250
4 Dec	269.25	6.45 ₹ 24,187.5	0.6 2250.00	24.76	316 11,85,000	119 4,46,250	364 13,65,000
3 Dec	266.50	6.15 ₹ 23,062.5	0.55 2062.50	25.33	260 9,75,000	51 1,91,250	270 10,12,500
2 Dec	265.15	5.55 ₹ 20,812.5	0.15 562.50	26.94	142 5,32,500	28 1,05,000	219 8,21,250
1 Dec	263.80	5.45 ₹ 20,437.5	1.03 3862.50	27.15	242 9,07,500	24 90,000	188 7,05,000
28 Nov	259.98	4.45 ₹ 16,687.5	-0.45 -1687.50	26.93	119 4,46,250	69 2,58,750	169 6,33,750
27 Nov	261.33	4.82 ₹ 18,075	1.07 4012.50	26.89	205 7,68,750	59 2,21,250	99 3,71,250
26 Nov	258.18	3.73 ₹ 13,987.5	0.8 3000.00	26.09	29 1,08,750	4 15,000	39 1,46,250
25 Nov	253.97	2.93 ₹ 10,987.5	-0.33 -1237.50	26.36	13 48,750	5 18,750	32 1,20,000
24 Nov	251.06	3.26 ₹ 12,225	-2.33 -8737.50	-	0 0	8 30,000	0 0
21 Nov	250.68	3.26 ₹ 12,225	-2.33 -8737.50	29.69	11 41,250	8 30,000	27 1,01,250
20 Nov	257.62	5.59 ₹ 20,962.5	1.23 4612.50	29.01	17 63,750	11 41,250	19 71,250
19 Nov	256.60	4.36 ₹ 16,350	-0.24 -900.00	26.21	6 22,500	1 3,750	8 30,000
18 Nov	257.30	4.6 ₹ 17,250	-2.4 -9000.00	26.49	5 18,750	1 3,750	6 22,500
17 Nov	260.76	7 ₹ 26,250	-0.5 -1875.00	28.89	6 22,500	5 18,750	5 18,750
14 Nov	262.57	7.5 ₹ 28,125	0 0.00	2.01	0 0	0 0	0 0
13 Nov	268.67	7.5 ₹ 28,125	0 0.00	0.24	0 0	0 0	0 0
12 Nov	266.95	7.5 ₹ 28,125	0 0.00	1.00	0 0	0 0	0 0
11 Nov	265.66	7.5 ₹ 28,125	0 0.00	1.18	0 0	0 0	0 0
10 Nov	257.36	7.5 ₹ 28,125	0 0.00	3.58	0 0	0 0	0 0

For National Aluminium Co Ltd - strike price 272.5 expiring on 30DEC2025

Delta for 272.5 CE is 0.70

Historical price for 272.5 CE is as follows

On 19 Dec NATIONALUM was trading at 277.50. The strike last trading price was 8.15, which was -1.35 lower than the previous day. The implied volatity was 24.53, the open interest changed by 15 which increased total open position to 203

On 18 Dec NATIONALUM was trading at 279.25. The strike last trading price was 9.1, which was -1.15 lower than the previous day. The implied volatity was 23.55, the open interest changed by -12 which decreased total open position to 188

On 17 Dec NATIONALUM was trading at 279.45. The strike last trading price was 10.25, which was 1.6 higher than the previous day. The implied volatity was 28.00, the open interest changed by -7 which decreased total open position to 200

On 16 Dec NATIONALUM was trading at 276.85. The strike last trading price was 8.1, which was -2.2 lower than the previous day. The implied volatity was 25.88, the open interest changed by -13 which decreased total open position to 208

On 15 Dec NATIONALUM was trading at 278.70. The strike last trading price was 10.4, which was 0.1 higher than the previous day. The implied volatity was 27.21, the open interest changed by -5 which decreased total open position to 223

On 12 Dec NATIONALUM was trading at 278.15. The strike last trading price was 10.1, which was 5.85 higher than the previous day. The implied volatity was 24.04, the open interest changed by -154 which decreased total open position to 230

On 11 Dec NATIONALUM was trading at 264.30. The strike last trading price was 4.15, which was 0.1 higher than the previous day. The implied volatity was 28.61, the open interest changed by 22 which increased total open position to 386

On 10 Dec NATIONALUM was trading at 263.00. The strike last trading price was 4.1, which was -0.6 lower than the previous day. The implied volatity was 29.50, the open interest changed by 35 which increased total open position to 365

On 9 Dec NATIONALUM was trading at 265.65. The strike last trading price was 4.45, which was -1.65 lower than the previous day. The implied volatity was 27.39, the open interest changed by 44 which increased total open position to 336

On 8 Dec NATIONALUM was trading at 268.35. The strike last trading price was 6, which was -2.55 lower than the previous day. The implied volatity was 28.52, the open interest changed by 24 which increased total open position to 292

On 5 Dec NATIONALUM was trading at 273.15. The strike last trading price was 8.45, which was 1.9 higher than the previous day. The implied volatity was 24.90, the open interest changed by -90 which decreased total open position to 271

On 4 Dec NATIONALUM was trading at 269.25. The strike last trading price was 6.45, which was 0.6 higher than the previous day. The implied volatity was 24.76, the open interest changed by 119 which increased total open position to 364

On 3 Dec NATIONALUM was trading at 266.50. The strike last trading price was 6.15, which was 0.55 higher than the previous day. The implied volatity was 25.33, the open interest changed by 51 which increased total open position to 270

On 2 Dec NATIONALUM was trading at 265.15. The strike last trading price was 5.55, which was 0.15 higher than the previous day. The implied volatity was 26.94, the open interest changed by 28 which increased total open position to 219

On 1 Dec NATIONALUM was trading at 263.80. The strike last trading price was 5.45, which was 1.03 higher than the previous day. The implied volatity was 27.15, the open interest changed by 24 which increased total open position to 188

On 28 Nov NATIONALUM was trading at 259.98. The strike last trading price was 4.45, which was -0.45 lower than the previous day. The implied volatity was 26.93, the open interest changed by 69 which increased total open position to 169

On 27 Nov NATIONALUM was trading at 261.33. The strike last trading price was 4.82, which was 1.07 higher than the previous day. The implied volatity was 26.89, the open interest changed by 59 which increased total open position to 99

On 26 Nov NATIONALUM was trading at 258.18. The strike last trading price was 3.73, which was 0.8 higher than the previous day. The implied volatity was 26.09, the open interest changed by 4 which increased total open position to 39

On 25 Nov NATIONALUM was trading at 253.97. The strike last trading price was 2.93, which was -0.33 lower than the previous day. The implied volatity was 26.36, the open interest changed by 5 which increased total open position to 32

On 24 Nov NATIONALUM was trading at 251.06. The strike last trading price was 3.26, which was -2.33 lower than the previous day. The implied volatity was -, the open interest changed by 8 which increased total open position to 0

On 21 Nov NATIONALUM was trading at 250.68. The strike last trading price was 3.26, which was -2.33 lower than the previous day. The implied volatity was 29.69, the open interest changed by 8 which increased total open position to 27

On 20 Nov NATIONALUM was trading at 257.62. The strike last trading price was 5.59, which was 1.23 higher than the previous day. The implied volatity was 29.01, the open interest changed by 11 which increased total open position to 19

On 19 Nov NATIONALUM was trading at 256.60. The strike last trading price was 4.36, which was -0.24 lower than the previous day. The implied volatity was 26.21, the open interest changed by 1 which increased total open position to 8

On 18 Nov NATIONALUM was trading at 257.30. The strike last trading price was 4.6, which was -2.4 lower than the previous day. The implied volatity was 26.49, the open interest changed by 1 which increased total open position to 6

On 17 Nov NATIONALUM was trading at 260.76. The strike last trading price was 7, which was -0.5 lower than the previous day. The implied volatity was 28.89, the open interest changed by 5 which increased total open position to 5

On 14 Nov NATIONALUM was trading at 262.57. The strike last trading price was 7.5, which was 0 lower than the previous day. The implied volatity was 2.01, 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 7.5, which was 0 lower than the previous day. The implied volatity was 0.24, 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 7.5, which was 0 lower than the previous day. The implied volatity was 1.00, the open interest changed by 0 which decreased total open position to 0

On 11 Nov NATIONALUM was trading at 265.66. The strike last trading price was 7.5, which was 0 lower than the previous day. The implied volatity was 1.18, the open interest changed by 0 which decreased total open position to 0

On 10 Nov NATIONALUM was trading at 257.36. The strike last trading price was 7.5, which was 0 lower than the previous day. The implied volatity was 3.58, the open interest changed by 0 which decreased total open position to 0

NATIONALUM 30DEC2025 272.5 PE
Delta: -0.30 Vega: 0.17 Theta: -0.17 Gamma: 0.03
Date	Close	Ltp	Change	IV	Volume	OI Chg	OI
19 Dec	277.50	2.4 ₹ 9,000	0 0.00	24.96	241 9,03,750	12 45,000	208 7,80,000
18 Dec	279.25	2.55 ₹ 9,562.5	-0.3 -1125.00	27.06	527 19,76,250	5 18,750	198 7,42,500
17 Dec	279.45	2.8 ₹ 10,500	-1.15 -4312.50	27.83	644 24,15,000	33 1,23,750	218 8,17,500
16 Dec	276.85	3.85 ₹ 14,437.5	0.3 1125.00	27.32	327 12,26,250	10 37,500	181 6,78,750
15 Dec	278.70	3.65 ₹ 13,687.5	-0.55 -2062.50	30.04	178 6,67,500	38 1,42,500	171 6,41,250
12 Dec	278.15	4.05 ₹ 15,187.5	-7.5 -28125.00	28.99	490 18,37,500	77 2,88,750	133 4,98,750
11 Dec	264.30	11.55 ₹ 43,312.5	-1.65 -6187.50	31.96	13 48,750	-4 -15,000	57 2,13,750
10 Dec	263.00	13.2 ₹ 49,500	2.35 8812.50	35.07	21 78,750	-4 -15,000	61 2,28,750
9 Dec	265.65	10.4 ₹ 39,000	1.7 6375.00	27.45	54 2,02,500	-18 -67,500	65 2,43,750
8 Dec	268.35	8.7 ₹ 32,625	2.4 9000.00	26.35	198 7,42,500	28 1,05,000	84 3,15,000
5 Dec	273.15	6.15 ₹ 23,062.5	-5.55 -20812.50	26.00	166 6,22,500	42 1,57,500	54 2,02,500
4 Dec	269.25	11.7 ₹ 43,875	0.4 1500.00	-	0 0	1 3,750	0 0
3 Dec	266.50	11.7 ₹ 43,875	0.4 1500.00	35.37	5 18,750	0 0	11 41,250
2 Dec	265.15	11.3 ₹ 42,375	-0.3 -1125.00	28.11	9 33,750	0 0	10 37,500
1 Dec	263.80	11.6 ₹ 43,500	-2.32 -8700.00	27.17	10 37,500	-1 -3,750	9 33,750
28 Nov	259.98	13.92 ₹ 52,200	-5.68 -21300.00	-	0 0	6 22,500	0 0
27 Nov	261.33	13.92 ₹ 52,200	-5.68 -21300.00	27.38	32 1,20,000	6 22,500	10 37,500
26 Nov	258.18	19.6 ₹ 73,500	-2.1 -7875.00	-	0 0	0 0	0 0
25 Nov	253.97	19.6 ₹ 73,500	-2.1 -7875.00	29.25	3 11,250	0 0	4 15,000
24 Nov	251.06	21.7 ₹ 81,375	6.77 25387.50	-	0 0	0 0	0 0
21 Nov	250.68	21.7 ₹ 81,375	6.77 25387.50	26.92	1 3,750	0 0	4 15,000
20 Nov	257.62	14.93 ₹ 55,987.5	-25.47 -95512.50	-	0 0	0 0	0 0
19 Nov	256.60	14.93 ₹ 55,987.5	-25.47 -95512.50	-	0 0	0 0	0 0
18 Nov	257.30	14.93 ₹ 55,987.5	-25.47 -95512.50	-	0 0	4 15,000	0 0
17 Nov	260.76	14.93 ₹ 55,987.5	-25.47 -95512.50	28.89	6 22,500	2 7,500	2 7,500
14 Nov	262.57	40.4 ₹ 1,51,500	0 0.00	-	0 0	0 0	0 0
13 Nov	268.67	40.4 ₹ 1,51,500	0 0.00	-	0 0	0 0	0 0
12 Nov	266.95	40.4 ₹ 1,51,500	0 0.00	-	0 0	0 0	0 0
11 Nov	265.66	40.4 ₹ 1,51,500	0 0.00	-	0 0	0 0	0 0
10 Nov	257.36	40.4 ₹ 1,51,500	0 0.00	-	0 0	0 0	0 0

For National Aluminium Co Ltd - strike price 272.5 expiring on 30DEC2025

Delta for 272.5 PE is -0.30

Historical price for 272.5 PE is as follows

On 19 Dec NATIONALUM was trading at 277.50. The strike last trading price was 2.4, which was 0 lower than the previous day. The implied volatity was 24.96, the open interest changed by 12 which increased total open position to 208

On 18 Dec NATIONALUM was trading at 279.25. The strike last trading price was 2.55, which was -0.3 lower than the previous day. The implied volatity was 27.06, the open interest changed by 5 which increased total open position to 198

On 17 Dec NATIONALUM was trading at 279.45. The strike last trading price was 2.8, which was -1.15 lower than the previous day. The implied volatity was 27.83, the open interest changed by 33 which increased total open position to 218

On 16 Dec NATIONALUM was trading at 276.85. The strike last trading price was 3.85, which was 0.3 higher than the previous day. The implied volatity was 27.32, the open interest changed by 10 which increased total open position to 181

On 15 Dec NATIONALUM was trading at 278.70. The strike last trading price was 3.65, which was -0.55 lower than the previous day. The implied volatity was 30.04, the open interest changed by 38 which increased total open position to 171

On 12 Dec NATIONALUM was trading at 278.15. The strike last trading price was 4.05, which was -7.5 lower than the previous day. The implied volatity was 28.99, the open interest changed by 77 which increased total open position to 133

On 11 Dec NATIONALUM was trading at 264.30. The strike last trading price was 11.55, which was -1.65 lower than the previous day. The implied volatity was 31.96, the open interest changed by -4 which decreased total open position to 57

On 10 Dec NATIONALUM was trading at 263.00. The strike last trading price was 13.2, which was 2.35 higher than the previous day. The implied volatity was 35.07, the open interest changed by -4 which decreased total open position to 61

On 9 Dec NATIONALUM was trading at 265.65. The strike last trading price was 10.4, which was 1.7 higher than the previous day. The implied volatity was 27.45, the open interest changed by -18 which decreased total open position to 65

On 8 Dec NATIONALUM was trading at 268.35. The strike last trading price was 8.7, which was 2.4 higher than the previous day. The implied volatity was 26.35, the open interest changed by 28 which increased total open position to 84

On 5 Dec NATIONALUM was trading at 273.15. The strike last trading price was 6.15, which was -5.55 lower than the previous day. The implied volatity was 26.00, the open interest changed by 42 which increased total open position to 54

On 4 Dec NATIONALUM was trading at 269.25. The strike last trading price was 11.7, which was 0.4 higher than the previous day. The implied volatity was -, the open interest changed by 1 which increased total open position to 0

On 3 Dec NATIONALUM was trading at 266.50. The strike last trading price was 11.7, which was 0.4 higher than the previous day. The implied volatity was 35.37, the open interest changed by 0 which decreased total open position to 11

On 2 Dec NATIONALUM was trading at 265.15. The strike last trading price was 11.3, which was -0.3 lower than the previous day. The implied volatity was 28.11, the open interest changed by 0 which decreased total open position to 10

On 1 Dec NATIONALUM was trading at 263.80. The strike last trading price was 11.6, which was -2.32 lower than the previous day. The implied volatity was 27.17, the open interest changed by -1 which decreased total open position to 9

On 28 Nov NATIONALUM was trading at 259.98. The strike last trading price was 13.92, which was -5.68 lower than the previous day. The implied volatity was -, the open interest changed by 6 which increased total open position to 0

On 27 Nov NATIONALUM was trading at 261.33. The strike last trading price was 13.92, which was -5.68 lower than the previous day. The implied volatity was 27.38, the open interest changed by 6 which increased total open position to 10

On 26 Nov NATIONALUM was trading at 258.18. The strike last trading price was 19.6, which was -2.1 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0

On 25 Nov NATIONALUM was trading at 253.97. The strike last trading price was 19.6, which was -2.1 lower than the previous day. The implied volatity was 29.25, the open interest changed by 0 which decreased total open position to 4

On 24 Nov NATIONALUM was trading at 251.06. The strike last trading price was 21.7, which was 6.77 higher 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 21.7, which was 6.77 higher than the previous day. The implied volatity was 26.92, the open interest changed by 0 which decreased total open position to 4

On 20 Nov NATIONALUM was trading at 257.62. The strike last trading price was 14.93, which was -25.47 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 14.93, which was -25.47 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0

On 18 Nov NATIONALUM was trading at 257.30. The strike last trading price was 14.93, which was -25.47 lower than the previous day. The implied volatity was -, the open interest changed by 4 which increased total open position to 0

On 17 Nov NATIONALUM was trading at 260.76. The strike last trading price was 14.93, which was -25.47 lower than the previous day. The implied volatity was 28.89, the open interest changed by 2 which increased total open position to 2

On 14 Nov NATIONALUM was trading at 262.57. The strike last trading price was 40.4, 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 40.4, 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 40.4, 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 11 Nov NATIONALUM was trading at 265.66. The strike last trading price was 40.4, 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 Nov NATIONALUM was trading at 257.36. The strike last trading price was 40.4, 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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