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[--[65.84.65.76]--]
LAURUSLABS
Laurus Labs Limited

568.4 -4.35 (-0.76%)

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Historical option data for LAURUSLABS

12 Dec 2024 10:03 AM IST
LAURUSLABS 26DEC2024 480 CE
Delta: 0.00
Vega: 0.00
Theta: 0.00
Gamma: 0.00
Date Close Ltp Change IV Volume Change OI OI
12 Dec 569.15 103 0.00 0.00 0 0 0
11 Dec 572.75 103 0.00 0.00 0 0 0
10 Dec 571.90 103 0.00 0.00 0 0 0
9 Dec 571.90 103 0.00 0.00 0 0 0
6 Dec 589.75 103 0.00 0.00 0 0 0
5 Dec 588.35 103 0.00 0.00 0 0 0
4 Dec 583.45 103 0.00 0.00 0 0 0
3 Dec 580.70 103 0.00 0.00 0 0 0
2 Dec 576.80 103 16.35 52.19 2 0 3
29 Nov 567.15 86.65 51.65 - 2 0 4
28 Nov 551.70 35 0.00 0.00 0 0 0
27 Nov 543.35 35 0.00 0.00 0 0 0
26 Nov 546.25 35 0.00 0.00 0 0 0
25 Nov 532.05 35 0.00 0.00 0 1 0
22 Nov 512.60 35 9.90 - 1 0 4
21 Nov 489.15 25.1 2.85 28.78 3 1 4
20 Nov 489.00 22.25 0.00 25.79 1 0 3
19 Nov 489.00 22.25 0.00 25.79 1 0 3
18 Nov 483.65 22.25 -8.10 28.20 3 2 2
14 Nov 486.00 30.35 0.00 - 0 0 0
13 Nov 476.65 30.35 0.00 - 0 0 0
12 Nov 489.55 30.35 0.00 - 0 0 0
4 Nov 487.45 30.35 0.00 - 0 0 0
1 Nov 499.80 30.35 0.00 - 0 0 0
31 Oct 491.25 30.35 0.00 - 0 0 0
30 Oct 485.30 30.35 0.00 - 0 0 0
29 Oct 488.65 30.35 0.00 - 0 0 0
28 Oct 492.20 30.35 0.00 - 0 0 0
25 Oct 465.80 30.35 0.00 - 0 0 0
24 Oct 447.30 30.35 30.35 - 0 0 0
23 Oct 449.45 0 0.00 - 0 0 0
22 Oct 448.50 0 0.00 - 0 0 0
21 Oct 465.25 0 0.00 - 0 0 0
18 Oct 475.15 0 0.00 - 0 0 0
17 Oct 466.20 0 0.00 - 0 0 0
16 Oct 480.30 0 0.00 - 0 0 0
15 Oct 482.00 0 0.00 - 0 0 0
14 Oct 478.95 0 0.00 - 0 0 0
11 Oct 474.15 0 0.00 - 0 0 0
10 Oct 465.25 0 0.00 - 0 0 0
9 Oct 453.90 0 0.00 - 0 0 0
8 Oct 439.25 0 0.00 - 0 0 0
7 Oct 431.30 0 0.00 - 0 0 0
4 Oct 445.15 0 0.00 - 0 0 0
3 Oct 460.80 0 0.00 - 0 0 0
1 Oct 469.30 0 0.00 - 0 0 0
30 Sept 463.60 0 - 0 0 0


For Laurus Labs Limited - strike price 480 expiring on 26DEC2024

Delta for 480 CE is 0.00

Historical price for 480 CE is as follows

On 12 Dec LAURUSLABS was trading at 569.15. The strike last trading price was 103, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0


On 11 Dec LAURUSLABS was trading at 572.75. The strike last trading price was 103, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0


On 10 Dec LAURUSLABS was trading at 571.90. The strike last trading price was 103, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0


On 9 Dec LAURUSLABS was trading at 571.90. The strike last trading price was 103, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0


On 6 Dec LAURUSLABS was trading at 589.75. The strike last trading price was 103, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0


On 5 Dec LAURUSLABS was trading at 588.35. The strike last trading price was 103, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0


On 4 Dec LAURUSLABS was trading at 583.45. The strike last trading price was 103, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0


On 3 Dec LAURUSLABS was trading at 580.70. The strike last trading price was 103, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0


On 2 Dec LAURUSLABS was trading at 576.80. The strike last trading price was 103, which was 16.35 higher than the previous day. The implied volatity was 52.19, the open interest changed by 0 which decreased total open position to 3


On 29 Nov LAURUSLABS was trading at 567.15. The strike last trading price was 86.65, which was 51.65 higher than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 4


On 28 Nov LAURUSLABS was trading at 551.70. The strike last trading price was 35, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0


On 27 Nov LAURUSLABS was trading at 543.35. The strike last trading price was 35, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0


On 26 Nov LAURUSLABS was trading at 546.25. The strike last trading price was 35, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0


On 25 Nov LAURUSLABS was trading at 532.05. The strike last trading price was 35, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 1 which increased total open position to 0


On 22 Nov LAURUSLABS was trading at 512.60. The strike last trading price was 35, which was 9.90 higher than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 4


On 21 Nov LAURUSLABS was trading at 489.15. The strike last trading price was 25.1, which was 2.85 higher than the previous day. The implied volatity was 28.78, the open interest changed by 1 which increased total open position to 4


On 20 Nov LAURUSLABS was trading at 489.00. The strike last trading price was 22.25, which was 0.00 lower than the previous day. The implied volatity was 25.79, the open interest changed by 0 which decreased total open position to 3


On 19 Nov LAURUSLABS was trading at 489.00. The strike last trading price was 22.25, which was 0.00 lower than the previous day. The implied volatity was 25.79, the open interest changed by 0 which decreased total open position to 3


On 18 Nov LAURUSLABS was trading at 483.65. The strike last trading price was 22.25, which was -8.10 lower than the previous day. The implied volatity was 28.20, the open interest changed by 2 which increased total open position to 2


On 14 Nov LAURUSLABS was trading at 486.00. The strike last trading price was 30.35, which was 0.00 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 LAURUSLABS was trading at 476.65. The strike last trading price was 30.35, which was 0.00 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 LAURUSLABS was trading at 489.55. The strike last trading price was 30.35, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 4 Nov LAURUSLABS was trading at 487.45. The strike last trading price was 30.35, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 1 Nov LAURUSLABS was trading at 499.80. The strike last trading price was 30.35, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 31 Oct LAURUSLABS was trading at 491.25. The strike last trading price was 30.35, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 30 Oct LAURUSLABS was trading at 485.30. The strike last trading price was 30.35, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 29 Oct LAURUSLABS was trading at 488.65. The strike last trading price was 30.35, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 28 Oct LAURUSLABS was trading at 492.20. The strike last trading price was 30.35, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 25 Oct LAURUSLABS was trading at 465.80. The strike last trading price was 30.35, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 24 Oct LAURUSLABS was trading at 447.30. The strike last trading price was 30.35, which was 30.35 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 23 Oct LAURUSLABS was trading at 449.45. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 22 Oct LAURUSLABS was trading at 448.50. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 21 Oct LAURUSLABS was trading at 465.25. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 18 Oct LAURUSLABS was trading at 475.15. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 17 Oct LAURUSLABS was trading at 466.20. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 16 Oct LAURUSLABS was trading at 480.30. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 15 Oct LAURUSLABS was trading at 482.00. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 14 Oct LAURUSLABS was trading at 478.95. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 11 Oct LAURUSLABS was trading at 474.15. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 10 Oct LAURUSLABS was trading at 465.25. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 9 Oct LAURUSLABS was trading at 453.90. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 8 Oct LAURUSLABS was trading at 439.25. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 7 Oct LAURUSLABS was trading at 431.30. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 4 Oct LAURUSLABS was trading at 445.15. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 3 Oct LAURUSLABS was trading at 460.80. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 1 Oct LAURUSLABS was trading at 469.30. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 30 Sept LAURUSLABS was trading at 463.60. The strike last trading price was 0, which was lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


LAURUSLABS 26DEC2024 480 PE
Delta: 0.00
Vega: 0.00
Theta: 0.00
Gamma: 0.00
Date Close Ltp Change IV Volume Change OI OI
12 Dec 569.15 0.45 0.00 0.00 0 -2 0
11 Dec 572.75 0.45 0.05 45.32 4 -2 303
10 Dec 571.90 0.4 -0.10 42.57 2 0 306
9 Dec 571.90 0.5 0.10 43.09 68 3 306
6 Dec 589.75 0.4 -0.20 44.45 25 -12 305
5 Dec 588.35 0.6 -0.05 45.27 28 11 318
4 Dec 583.45 0.65 -0.15 43.99 86 -9 307
3 Dec 580.70 0.8 -0.05 43.74 135 -3 317
2 Dec 576.80 0.85 -0.65 41.97 169 -6 320
29 Nov 567.15 1.5 -1.75 41.45 365 89 326
28 Nov 551.70 3.25 0.50 44.43 221 64 237
27 Nov 543.35 2.75 -0.15 37.86 57 21 173
26 Nov 546.25 2.9 -1.55 38.52 107 26 154
25 Nov 532.05 4.45 -4.80 37.66 231 117 128
22 Nov 512.60 9.25 -4.50 39.34 165 74 85
21 Nov 489.15 13.75 2.75 33.59 4 0 10
20 Nov 489.00 11 0.00 26.46 5 3 9
19 Nov 489.00 11 -4.25 26.46 5 2 9
18 Nov 483.65 15.25 2.25 31.46 7 5 7
14 Nov 486.00 13 0.00 0.00 0 0 0
13 Nov 476.65 13 0.00 0.00 0 1 0
12 Nov 489.55 13 -25.50 29.80 1 0 1
4 Nov 487.45 38.5 0.00 2.32 0 0 0
1 Nov 499.80 38.5 0.00 4.20 0 0 0
31 Oct 491.25 38.5 0.00 - 0 0 0
30 Oct 485.30 38.5 0.00 - 0 0 0
29 Oct 488.65 38.5 0.00 - 0 0 0
28 Oct 492.20 38.5 0.00 - 0 0 0
25 Oct 465.80 38.5 38.50 - 0 0 0
24 Oct 447.30 0 0.00 - 0 0 0
23 Oct 449.45 0 0.00 - 0 0 0
22 Oct 448.50 0 0.00 - 0 0 0
21 Oct 465.25 0 0.00 - 0 0 0
18 Oct 475.15 0 0.00 - 0 0 0
17 Oct 466.20 0 0.00 - 0 0 0
16 Oct 480.30 0 0.00 - 0 0 0
15 Oct 482.00 0 0.00 - 0 0 0
14 Oct 478.95 0 0.00 - 0 0 0
11 Oct 474.15 0 0.00 - 0 0 0
10 Oct 465.25 0 0.00 - 0 0 0
9 Oct 453.90 0 0.00 - 0 0 0
8 Oct 439.25 0 0.00 - 0 0 0
7 Oct 431.30 0 0.00 - 0 0 0
4 Oct 445.15 0 0.00 - 0 0 0
3 Oct 460.80 0 0.00 - 0 0 0
1 Oct 469.30 0 0.00 - 0 0 0
30 Sept 463.60 0 - 0 0 0


For Laurus Labs Limited - strike price 480 expiring on 26DEC2024

Delta for 480 PE is 0.00

Historical price for 480 PE is as follows

On 12 Dec LAURUSLABS was trading at 569.15. The strike last trading price was 0.45, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by -2 which decreased total open position to 0


On 11 Dec LAURUSLABS was trading at 572.75. The strike last trading price was 0.45, which was 0.05 higher than the previous day. The implied volatity was 45.32, the open interest changed by -2 which decreased total open position to 303


On 10 Dec LAURUSLABS was trading at 571.90. The strike last trading price was 0.4, which was -0.10 lower than the previous day. The implied volatity was 42.57, the open interest changed by 0 which decreased total open position to 306


On 9 Dec LAURUSLABS was trading at 571.90. The strike last trading price was 0.5, which was 0.10 higher than the previous day. The implied volatity was 43.09, the open interest changed by 3 which increased total open position to 306


On 6 Dec LAURUSLABS was trading at 589.75. The strike last trading price was 0.4, which was -0.20 lower than the previous day. The implied volatity was 44.45, the open interest changed by -12 which decreased total open position to 305


On 5 Dec LAURUSLABS was trading at 588.35. The strike last trading price was 0.6, which was -0.05 lower than the previous day. The implied volatity was 45.27, the open interest changed by 11 which increased total open position to 318


On 4 Dec LAURUSLABS was trading at 583.45. The strike last trading price was 0.65, which was -0.15 lower than the previous day. The implied volatity was 43.99, the open interest changed by -9 which decreased total open position to 307


On 3 Dec LAURUSLABS was trading at 580.70. The strike last trading price was 0.8, which was -0.05 lower than the previous day. The implied volatity was 43.74, the open interest changed by -3 which decreased total open position to 317


On 2 Dec LAURUSLABS was trading at 576.80. The strike last trading price was 0.85, which was -0.65 lower than the previous day. The implied volatity was 41.97, the open interest changed by -6 which decreased total open position to 320


On 29 Nov LAURUSLABS was trading at 567.15. The strike last trading price was 1.5, which was -1.75 lower than the previous day. The implied volatity was 41.45, the open interest changed by 89 which increased total open position to 326


On 28 Nov LAURUSLABS was trading at 551.70. The strike last trading price was 3.25, which was 0.50 higher than the previous day. The implied volatity was 44.43, the open interest changed by 64 which increased total open position to 237


On 27 Nov LAURUSLABS was trading at 543.35. The strike last trading price was 2.75, which was -0.15 lower than the previous day. The implied volatity was 37.86, the open interest changed by 21 which increased total open position to 173


On 26 Nov LAURUSLABS was trading at 546.25. The strike last trading price was 2.9, which was -1.55 lower than the previous day. The implied volatity was 38.52, the open interest changed by 26 which increased total open position to 154


On 25 Nov LAURUSLABS was trading at 532.05. The strike last trading price was 4.45, which was -4.80 lower than the previous day. The implied volatity was 37.66, the open interest changed by 117 which increased total open position to 128


On 22 Nov LAURUSLABS was trading at 512.60. The strike last trading price was 9.25, which was -4.50 lower than the previous day. The implied volatity was 39.34, the open interest changed by 74 which increased total open position to 85


On 21 Nov LAURUSLABS was trading at 489.15. The strike last trading price was 13.75, which was 2.75 higher than the previous day. The implied volatity was 33.59, the open interest changed by 0 which decreased total open position to 10


On 20 Nov LAURUSLABS was trading at 489.00. The strike last trading price was 11, which was 0.00 lower than the previous day. The implied volatity was 26.46, the open interest changed by 3 which increased total open position to 9


On 19 Nov LAURUSLABS was trading at 489.00. The strike last trading price was 11, which was -4.25 lower than the previous day. The implied volatity was 26.46, the open interest changed by 2 which increased total open position to 9


On 18 Nov LAURUSLABS was trading at 483.65. The strike last trading price was 15.25, which was 2.25 higher than the previous day. The implied volatity was 31.46, the open interest changed by 5 which increased total open position to 7


On 14 Nov LAURUSLABS was trading at 486.00. The strike last trading price was 13, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 0 which decreased total open position to 0


On 13 Nov LAURUSLABS was trading at 476.65. The strike last trading price was 13, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 1 which increased total open position to 0


On 12 Nov LAURUSLABS was trading at 489.55. The strike last trading price was 13, which was -25.50 lower than the previous day. The implied volatity was 29.80, the open interest changed by 0 which decreased total open position to 1


On 4 Nov LAURUSLABS was trading at 487.45. The strike last trading price was 38.5, which was 0.00 lower than the previous day. The implied volatity was 2.32, the open interest changed by 0 which decreased total open position to 0


On 1 Nov LAURUSLABS was trading at 499.80. The strike last trading price was 38.5, which was 0.00 lower than the previous day. The implied volatity was 4.20, the open interest changed by 0 which decreased total open position to 0


On 31 Oct LAURUSLABS was trading at 491.25. The strike last trading price was 38.5, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 30 Oct LAURUSLABS was trading at 485.30. The strike last trading price was 38.5, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 29 Oct LAURUSLABS was trading at 488.65. The strike last trading price was 38.5, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 28 Oct LAURUSLABS was trading at 492.20. The strike last trading price was 38.5, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 25 Oct LAURUSLABS was trading at 465.80. The strike last trading price was 38.5, which was 38.50 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 24 Oct LAURUSLABS was trading at 447.30. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 23 Oct LAURUSLABS was trading at 449.45. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 22 Oct LAURUSLABS was trading at 448.50. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 21 Oct LAURUSLABS was trading at 465.25. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 18 Oct LAURUSLABS was trading at 475.15. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 17 Oct LAURUSLABS was trading at 466.20. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 16 Oct LAURUSLABS was trading at 480.30. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 15 Oct LAURUSLABS was trading at 482.00. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 14 Oct LAURUSLABS was trading at 478.95. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 11 Oct LAURUSLABS was trading at 474.15. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 10 Oct LAURUSLABS was trading at 465.25. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 9 Oct LAURUSLABS was trading at 453.90. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 8 Oct LAURUSLABS was trading at 439.25. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 7 Oct LAURUSLABS was trading at 431.30. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 4 Oct LAURUSLABS was trading at 445.15. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 3 Oct LAURUSLABS was trading at 460.80. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 1 Oct LAURUSLABS was trading at 469.30. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 30 Sept LAURUSLABS was trading at 463.60. The strike last trading price was 0, which was lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to