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BANKNIFTY
Nifty Bank

52109 53.40 (0.10%)

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Historical option data for BANKNIFTY

02 Dec 2024 04:13 PM IST
BANKNIFTY 24DEC2024 49700 CE
Delta: 0.85
Vega: 29.34
Theta: -25.55
Gamma: 0.00
Date Close Ltp Change IV Volume Change OI OI
2 Dec 52109.00 2926.6 177.90 21.25 1 0.5 57.5
29 Nov 52055.60 2748.7 -88.90 15.10 5.5 -1 57
28 Nov 51906.85 2837.6 -220.75 19.06 2 0.5 58
27 Nov 52301.80 3058.35 44.15 15.90 3.5 -1 57.5
26 Nov 52191.50 3014.2 164.20 17.83 3 -1 58.5
25 Nov 52207.50 2850 660.85 - 0.5 0.5 59.5
22 Nov 51135.40 2189.15 538.80 17.37 10.5 -2 59
21 Nov 50372.90 1650.35 22.90 15.61 374.5 35.5 61
19 Nov 50626.50 1627.45 8.70 13.95 5.5 -1.5 25.5
18 Nov 50363.80 1618.75 -4103.10 14.87 34.5 27 27
14 Nov 50179.55 5721.85 0.00 - 0 0 0
13 Nov 50088.35 5721.85 0.00 - 0 0 0
12 Nov 51157.80 5721.85 0.00 - 0 0 0
11 Nov 51876.75 5721.85 0.00 - 0 0 0
8 Nov 51561.20 5721.85 0.00 - 0 0 0
7 Nov 51916.50 5721.85 0.00 - 0 0 0
6 Nov 52317.40 5721.85 0.00 - 0 0 0
5 Nov 52207.25 5721.85 0.00 - 0 0 0
4 Nov 51215.25 5721.85 0.00 - 0 0 0
1 Nov 51673.90 5721.85 0.00 - 0 0 0
31 Oct 51475.35 5721.85 0.00 - 0 0 0
30 Oct 51807.50 5721.85 0.00 - 0 0 0
29 Oct 52320.70 5721.85 0.00 - 0 0 0
28 Oct 51259.30 5721.85 0.00 - 0 0 0
25 Oct 50787.45 5721.85 0.00 - 0 0 0
24 Oct 51531.15 5721.85 0.00 - 0 0 0
23 Oct 51239.00 5721.85 0.00 - 0 0 0
22 Oct 51257.15 5721.85 0.00 - 0 0 0
21 Oct 51962.70 5721.85 0.00 - 0 0 0
18 Oct 52094.20 5721.85 0.00 - 0 0 0
17 Oct 51288.80 5721.85 0.00 - 0 0 0
16 Oct 51801.05 5721.85 0.00 - 0 0 0
15 Oct 51906.00 5721.85 0.00 - 0 0 0
14 Oct 51816.90 5721.85 0.00 - 0 0 0
11 Oct 51172.30 5721.85 0.00 - 0 0 0
10 Oct 51530.90 5721.85 0.00 - 0 0 0
9 Oct 51007.00 5721.85 0.00 - 0 0 0
8 Oct 51021.00 5721.85 0.00 - 0 0 0
7 Oct 50478.90 5721.85 0.00 - 0 0 0
4 Oct 51462.05 5721.85 5721.85 - 0 0 0
3 Oct 51845.20 0 0.00 - 0 0 0
1 Oct 52922.60 0 0.00 - 0 0 0
30 Sept 52978.10 0 0.00 - 0 0 0
27 Sept 53834.30 0 0.00 - 0 0 0
26 Sept 54375.35 0 - 0 0 0


For Nifty Bank - strike price 49700 expiring on 24DEC2024

Delta for 49700 CE is 0.85

Historical price for 49700 CE is as follows

On 2 Dec BANKNIFTY was trading at 52109.00. The strike last trading price was 2926.6, which was 177.90 higher than the previous day. The implied volatity was 21.25, the open interest changed by 1 which increased total open position to 115


On 29 Nov BANKNIFTY was trading at 52055.60. The strike last trading price was 2748.7, which was -88.90 lower than the previous day. The implied volatity was 15.10, the open interest changed by -2 which decreased total open position to 114


On 28 Nov BANKNIFTY was trading at 51906.85. The strike last trading price was 2837.6, which was -220.75 lower than the previous day. The implied volatity was 19.06, the open interest changed by 1 which increased total open position to 116


On 27 Nov BANKNIFTY was trading at 52301.80. The strike last trading price was 3058.35, which was 44.15 higher than the previous day. The implied volatity was 15.90, the open interest changed by -2 which decreased total open position to 115


On 26 Nov BANKNIFTY was trading at 52191.50. The strike last trading price was 3014.2, which was 164.20 higher than the previous day. The implied volatity was 17.83, the open interest changed by -2 which decreased total open position to 117


On 25 Nov BANKNIFTY was trading at 52207.50. The strike last trading price was 2850, which was 660.85 higher than the previous day. The implied volatity was -, the open interest changed by 1 which increased total open position to 119


On 22 Nov BANKNIFTY was trading at 51135.40. The strike last trading price was 2189.15, which was 538.80 higher than the previous day. The implied volatity was 17.37, the open interest changed by -4 which decreased total open position to 118


On 21 Nov BANKNIFTY was trading at 50372.90. The strike last trading price was 1650.35, which was 22.90 higher than the previous day. The implied volatity was 15.61, the open interest changed by 71 which increased total open position to 122


On 19 Nov BANKNIFTY was trading at 50626.50. The strike last trading price was 1627.45, which was 8.70 higher than the previous day. The implied volatity was 13.95, the open interest changed by -3 which decreased total open position to 51


On 18 Nov BANKNIFTY was trading at 50363.80. The strike last trading price was 1618.75, which was -4103.10 lower than the previous day. The implied volatity was 14.87, the open interest changed by 54 which increased total open position to 54


On 14 Nov BANKNIFTY was trading at 50179.55. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 50088.35. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51157.80. The strike last trading price was 5721.85, 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 11 Nov BANKNIFTY was trading at 51876.75. The strike last trading price was 5721.85, 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 8 Nov BANKNIFTY was trading at 51561.20. The strike last trading price was 5721.85, 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 7 Nov BANKNIFTY was trading at 51916.50. The strike last trading price was 5721.85, 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 6 Nov BANKNIFTY was trading at 52317.40. The strike last trading price was 5721.85, 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 5 Nov BANKNIFTY was trading at 52207.25. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51215.25. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51673.90. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51475.35. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51807.50. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 52320.70. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51259.30. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 50787.45. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51531.15. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51239.00. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51257.15. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51962.70. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 52094.20. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51288.80. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51801.05. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51906.00. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51816.90. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51172.30. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51530.90. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51007.00. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51021.00. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 50478.90. The strike last trading price was 5721.85, 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 BANKNIFTY was trading at 51462.05. The strike last trading price was 5721.85, which was 5721.85 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 3 Oct BANKNIFTY was trading at 51845.20. 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 1 Oct BANKNIFTY was trading at 52922.60. 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 BANKNIFTY was trading at 52978.10. 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 27 Sept BANKNIFTY was trading at 53834.30. 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 26 Sept BANKNIFTY was trading at 54375.35. 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


BANKNIFTY 24DEC2024 49700 PE
Delta: -0.12
Vega: 26.12
Theta: -9.62
Gamma: 0.00
Date Close Ltp Change IV Volume Change OI OI
2 Dec 52109.00 153.65 -13.30 19.24 18,920.5 365 1,546.5
29 Nov 52055.60 166.95 -22.20 18.28 17,669.5 130.5 1,181.5
28 Nov 51906.85 189.15 54.35 18.55 15,690.5 449 1,051
27 Nov 52301.80 134.8 -44.85 17.73 1,701.5 193.5 602
26 Nov 52191.50 179.65 -19.60 18.54 656 74.5 408.5
25 Nov 52207.50 199.25 -199.00 18.98 725.5 -8.5 334
22 Nov 51135.40 398.25 -153.00 18.14 1,036.5 91 342.5
21 Nov 50372.90 551.25 -1.70 17.42 665 42 251.5
19 Nov 50626.50 552.95 -25.60 17.29 332 73 209.5
18 Nov 50363.80 578.55 -33.75 16.96 312.5 50.5 136.5
14 Nov 50179.55 612.3 49.10 16.13 158 62 86
13 Nov 50088.35 563.2 276.35 15.60 42 14.5 24
12 Nov 51157.80 286.85 20.35 14.38 2.5 0 9.5
11 Nov 51876.75 266.5 -83.50 16.53 1.5 -0.5 9.5
8 Nov 51561.20 350 77.00 16.80 22.5 10 10
7 Nov 51916.50 273 0.00 0.00 0 0 0
6 Nov 52317.40 273 -160.60 18.04 4 0 0
5 Nov 52207.25 433.6 0.00 3.72 0 0 0
4 Nov 51215.25 433.6 0.00 2.66 0 0 0
1 Nov 51673.90 433.6 0.00 3.20 0 0 0
31 Oct 51475.35 433.6 0.00 - 0 0 0
30 Oct 51807.50 433.6 0.00 - 0 0 0
29 Oct 52320.70 433.6 0.00 - 0 0 0
28 Oct 51259.30 433.6 0.00 - 0 0 0
25 Oct 50787.45 433.6 0.00 - 0 0 0
24 Oct 51531.15 433.6 0.00 - 0 0 0
23 Oct 51239.00 433.6 0.00 - 0 0 0
22 Oct 51257.15 433.6 0.00 - 0 0 0
21 Oct 51962.70 433.6 0.00 - 0 0 0
18 Oct 52094.20 433.6 0.00 - 0 0 0
17 Oct 51288.80 433.6 0.00 - 0 0 0
16 Oct 51801.05 433.6 0.00 - 0 0 0
15 Oct 51906.00 433.6 0.00 - 0 0 0
14 Oct 51816.90 433.6 0.00 - 0 0 0
11 Oct 51172.30 433.6 0.00 - 0 0 0
10 Oct 51530.90 433.6 0.00 - 0 0 0
9 Oct 51007.00 433.6 0.00 - 0 0 0
8 Oct 51021.00 433.6 0.00 - 0 0 0
7 Oct 50478.90 433.6 433.60 - 0 0 0
4 Oct 51462.05 0 0.00 - 0 0 0
3 Oct 51845.20 0 0.00 - 0 0 0
1 Oct 52922.60 0 0.00 - 0 0 0
30 Sept 52978.10 0 0.00 - 0 0 0
27 Sept 53834.30 0 0.00 - 0 0 0
26 Sept 54375.35 0 - 0 0 0


For Nifty Bank - strike price 49700 expiring on 24DEC2024

Delta for 49700 PE is -0.12

Historical price for 49700 PE is as follows

On 2 Dec BANKNIFTY was trading at 52109.00. The strike last trading price was 153.65, which was -13.30 lower than the previous day. The implied volatity was 19.24, the open interest changed by 730 which increased total open position to 3093


On 29 Nov BANKNIFTY was trading at 52055.60. The strike last trading price was 166.95, which was -22.20 lower than the previous day. The implied volatity was 18.28, the open interest changed by 261 which increased total open position to 2363


On 28 Nov BANKNIFTY was trading at 51906.85. The strike last trading price was 189.15, which was 54.35 higher than the previous day. The implied volatity was 18.55, the open interest changed by 898 which increased total open position to 2102


On 27 Nov BANKNIFTY was trading at 52301.80. The strike last trading price was 134.8, which was -44.85 lower than the previous day. The implied volatity was 17.73, the open interest changed by 387 which increased total open position to 1204


On 26 Nov BANKNIFTY was trading at 52191.50. The strike last trading price was 179.65, which was -19.60 lower than the previous day. The implied volatity was 18.54, the open interest changed by 149 which increased total open position to 817


On 25 Nov BANKNIFTY was trading at 52207.50. The strike last trading price was 199.25, which was -199.00 lower than the previous day. The implied volatity was 18.98, the open interest changed by -17 which decreased total open position to 668


On 22 Nov BANKNIFTY was trading at 51135.40. The strike last trading price was 398.25, which was -153.00 lower than the previous day. The implied volatity was 18.14, the open interest changed by 182 which increased total open position to 685


On 21 Nov BANKNIFTY was trading at 50372.90. The strike last trading price was 551.25, which was -1.70 lower than the previous day. The implied volatity was 17.42, the open interest changed by 84 which increased total open position to 503


On 19 Nov BANKNIFTY was trading at 50626.50. The strike last trading price was 552.95, which was -25.60 lower than the previous day. The implied volatity was 17.29, the open interest changed by 146 which increased total open position to 419


On 18 Nov BANKNIFTY was trading at 50363.80. The strike last trading price was 578.55, which was -33.75 lower than the previous day. The implied volatity was 16.96, the open interest changed by 101 which increased total open position to 273


On 14 Nov BANKNIFTY was trading at 50179.55. The strike last trading price was 612.3, which was 49.10 higher than the previous day. The implied volatity was 16.13, the open interest changed by 124 which increased total open position to 172


On 13 Nov BANKNIFTY was trading at 50088.35. The strike last trading price was 563.2, which was 276.35 higher than the previous day. The implied volatity was 15.60, the open interest changed by 29 which increased total open position to 48


On 12 Nov BANKNIFTY was trading at 51157.80. The strike last trading price was 286.85, which was 20.35 higher than the previous day. The implied volatity was 14.38, the open interest changed by 0 which decreased total open position to 19


On 11 Nov BANKNIFTY was trading at 51876.75. The strike last trading price was 266.5, which was -83.50 lower than the previous day. The implied volatity was 16.53, the open interest changed by -1 which decreased total open position to 19


On 8 Nov BANKNIFTY was trading at 51561.20. The strike last trading price was 350, which was 77.00 higher than the previous day. The implied volatity was 16.80, the open interest changed by 20 which increased total open position to 20


On 7 Nov BANKNIFTY was trading at 51916.50. The strike last trading price was 273, 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 Nov BANKNIFTY was trading at 52317.40. The strike last trading price was 273, which was -160.60 lower than the previous day. The implied volatity was 18.04, the open interest changed by 0 which decreased total open position to 0


On 5 Nov BANKNIFTY was trading at 52207.25. The strike last trading price was 433.6, which was 0.00 lower than the previous day. The implied volatity was 3.72, the open interest changed by 0 which decreased total open position to 0


On 4 Nov BANKNIFTY was trading at 51215.25. The strike last trading price was 433.6, which was 0.00 lower than the previous day. The implied volatity was 2.66, the open interest changed by 0 which decreased total open position to 0


On 1 Nov BANKNIFTY was trading at 51673.90. The strike last trading price was 433.6, which was 0.00 lower than the previous day. The implied volatity was 3.20, the open interest changed by 0 which decreased total open position to 0


On 31 Oct BANKNIFTY was trading at 51475.35. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51807.50. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 52320.70. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51259.30. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 50787.45. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51531.15. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51239.00. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51257.15. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51962.70. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 52094.20. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51288.80. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51801.05. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51906.00. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51816.90. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51172.30. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51530.90. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51007.00. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 51021.00. The strike last trading price was 433.6, 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 BANKNIFTY was trading at 50478.90. The strike last trading price was 433.6, which was 433.60 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 4 Oct BANKNIFTY was trading at 51462.05. 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 BANKNIFTY was trading at 51845.20. 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 1 Oct BANKNIFTY was trading at 52922.60. 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 BANKNIFTY was trading at 52978.10. 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 27 Sept BANKNIFTY was trading at 53834.30. 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 26 Sept BANKNIFTY was trading at 54375.35. 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