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[--[65.84.65.76]--]
TATAMOTORS
Tata Motors Limited

773.85 -9.35 (-1.19%)

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Historical option data for TATAMOTORS

21 Nov 2024 04:01 PM IST
TATAMOTORS 28NOV2024 840 CE
Delta: 0.05
Vega: 0.12
Theta: -0.31
Gamma: 0.00
Date Close Ltp Change IV Volume Change OI OI
21 Nov 773.85 0.85 -0.55 35.36 2,993.93 129.684 3,475.614
20 Nov 783.20 1.4 0.00 31.10 5,222.105 66 3,342.456
19 Nov 783.20 1.4 0.15 31.10 5,222.105 62.526 3,342.456
18 Nov 771.90 1.25 -0.65 32.50 4,156.456 -35.123 3,280.702
14 Nov 774.30 1.9 -1.90 28.76 2,871.193 255.509 3,328.175
13 Nov 786.25 3.8 0.20 29.35 2,528.842 -66 3,076.14
12 Nov 784.85 3.6 -3.85 28.66 4,556.702 326.14 3,142.14
11 Nov 804.70 7.45 -6.25 27.05 10,590.877 565.053 2,816
8 Nov 805.45 13.7 -10.20 34.85 3,718.386 258.982 2,249.789
7 Nov 819.75 23.9 -7.20 38.00 4,460.211 492.105 2,015.509
6 Nov 839.70 31.1 -0.10 34.43 4,683.684 394.842 1,533.439
5 Nov 835.65 31.2 1.45 36.79 3,455.544 110.772 1,136.667
4 Nov 824.10 29.75 -9.15 40.87 2,782.807 270.561 1,027.439
1 Nov 843.45 38.9 0.40 37.63 394.07 -38.211 759.193
31 Oct 834.05 38.5 -3.15 - 2,149.439 374.386 802.807
30 Oct 840.20 41.65 -0.80 - 900.456 90.316 427.263
29 Oct 842.75 42.45 -21.05 - 1,786.246 324.982 337.719
28 Oct 878.45 63.5 11.45 - 13.895 9.649 12.737
25 Oct 864.30 52.05 -13.95 - 3.86 2.316 3.088
24 Oct 880.00 66 0.00 - 0 0.772 0
23 Oct 877.65 66 -233.95 - 0.772 0 0
22 Oct 879.50 299.95 0.00 - 0 0 0
21 Oct 903.30 299.95 0.00 - 0 0 0
18 Oct 910.15 299.95 0.00 - 0 0 0
17 Oct 891.60 299.95 0.00 - 0 0 0
16 Oct 907.45 299.95 0.00 - 0 0 0
15 Oct 917.30 299.95 0.00 - 0 0 0
14 Oct 928.25 299.95 0.00 - 0 0 0
11 Oct 930.70 299.95 0.00 - 0 0 0
10 Oct 928.50 299.95 0.00 - 0 0 0
9 Oct 939.15 299.95 0.00 - 0 0 0
8 Oct 919.80 299.95 0.00 - 0 0 0
7 Oct 927.85 299.95 0.00 - 0 0 0
4 Oct 930.75 299.95 0.00 - 0 0 0
3 Oct 925.70 299.95 0.00 - 0 0 0
1 Oct 965.20 299.95 299.95 - 0 0 0
30 Sept 974.65 0 0.00 - 0 0 0
27 Sept 993.00 0 0.00 - 0 0 0
26 Sept 993.15 0 0.00 - 0 0 0
24 Sept 977.30 0 0.00 - 0 0 0
23 Sept 971.80 0 0.00 - 0 0 0
19 Sept 967.00 0 0.00 - 0 0 0
18 Sept 962.05 0 0.00 - 0 0 0
16 Sept 988.40 0 0.00 - 0 0 0
13 Sept 992.10 0 - 0 0 0


For Tata Motors Limited - strike price 840 expiring on 28NOV2024

Delta for 840 CE is 0.05

Historical price for 840 CE is as follows

On 21 Nov TATAMOTORS was trading at 773.85. The strike last trading price was 0.85, which was -0.55 lower than the previous day. The implied volatity was 35.36, the open interest changed by 336 which increased total open position to 9005


On 20 Nov TATAMOTORS was trading at 783.20. The strike last trading price was 1.4, which was 0.00 lower than the previous day. The implied volatity was 31.10, the open interest changed by 171 which increased total open position to 8660


On 19 Nov TATAMOTORS was trading at 783.20. The strike last trading price was 1.4, which was 0.15 higher than the previous day. The implied volatity was 31.10, the open interest changed by 162 which increased total open position to 8660


On 18 Nov TATAMOTORS was trading at 771.90. The strike last trading price was 1.25, which was -0.65 lower than the previous day. The implied volatity was 32.50, the open interest changed by -91 which decreased total open position to 8500


On 14 Nov TATAMOTORS was trading at 774.30. The strike last trading price was 1.9, which was -1.90 lower than the previous day. The implied volatity was 28.76, the open interest changed by 662 which increased total open position to 8623


On 13 Nov TATAMOTORS was trading at 786.25. The strike last trading price was 3.8, which was 0.20 higher than the previous day. The implied volatity was 29.35, the open interest changed by -171 which decreased total open position to 7970


On 12 Nov TATAMOTORS was trading at 784.85. The strike last trading price was 3.6, which was -3.85 lower than the previous day. The implied volatity was 28.66, the open interest changed by 845 which increased total open position to 8141


On 11 Nov TATAMOTORS was trading at 804.70. The strike last trading price was 7.45, which was -6.25 lower than the previous day. The implied volatity was 27.05, the open interest changed by 1464 which increased total open position to 7296


On 8 Nov TATAMOTORS was trading at 805.45. The strike last trading price was 13.7, which was -10.20 lower than the previous day. The implied volatity was 34.85, the open interest changed by 671 which increased total open position to 5829


On 7 Nov TATAMOTORS was trading at 819.75. The strike last trading price was 23.9, which was -7.20 lower than the previous day. The implied volatity was 38.00, the open interest changed by 1275 which increased total open position to 5222


On 6 Nov TATAMOTORS was trading at 839.70. The strike last trading price was 31.1, which was -0.10 lower than the previous day. The implied volatity was 34.43, the open interest changed by 1023 which increased total open position to 3973


On 5 Nov TATAMOTORS was trading at 835.65. The strike last trading price was 31.2, which was 1.45 higher than the previous day. The implied volatity was 36.79, the open interest changed by 287 which increased total open position to 2945


On 4 Nov TATAMOTORS was trading at 824.10. The strike last trading price was 29.75, which was -9.15 lower than the previous day. The implied volatity was 40.87, the open interest changed by 701 which increased total open position to 2662


On 1 Nov TATAMOTORS was trading at 843.45. The strike last trading price was 38.9, which was 0.40 higher than the previous day. The implied volatity was 37.63, the open interest changed by -99 which decreased total open position to 1967


On 31 Oct TATAMOTORS was trading at 834.05. The strike last trading price was 38.5, which was -3.15 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 30 Oct TATAMOTORS was trading at 840.20. The strike last trading price was 41.65, which was -0.80 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 29 Oct TATAMOTORS was trading at 842.75. The strike last trading price was 42.45, which was -21.05 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 28 Oct TATAMOTORS was trading at 878.45. The strike last trading price was 63.5, which was 11.45 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 25 Oct TATAMOTORS was trading at 864.30. The strike last trading price was 52.05, which was -13.95 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 24 Oct TATAMOTORS was trading at 880.00. The strike last trading price was 66, 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 TATAMOTORS was trading at 877.65. The strike last trading price was 66, which was -233.95 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 22 Oct TATAMOTORS was trading at 879.50. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 903.30. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 910.15. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 891.60. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 907.45. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 917.30. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 928.25. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 930.70. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 928.50. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 939.15. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 919.80. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 927.85. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 930.75. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 925.70. The strike last trading price was 299.95, 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 TATAMOTORS was trading at 965.20. The strike last trading price was 299.95, which was 299.95 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 30 Sept TATAMOTORS was trading at 974.65. 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 TATAMOTORS was trading at 993.00. 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 26 Sept TATAMOTORS was trading at 993.15. 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 24 Sept TATAMOTORS was trading at 977.30. 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 Sept TATAMOTORS was trading at 971.80. 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 19 Sept TATAMOTORS was trading at 967.00. 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 18 Sept TATAMOTORS was trading at 962.05. 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 16 Sept TATAMOTORS was trading at 988.40. 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 13 Sept TATAMOTORS was trading at 992.10. 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


TATAMOTORS 28NOV2024 840 PE
Delta: -0.89
Vega: 0.21
Theta: -0.48
Gamma: 0.00
Date Close Ltp Change IV Volume Change OI OI
21 Nov 773.85 67.05 8.05 46.43 38.982 -9.263 680.456
20 Nov 783.20 59 0.00 38.28 135.088 -38.211 689.719
19 Nov 783.20 59 -8.00 38.28 135.088 -38.211 689.719
18 Nov 771.90 67 3.20 35.42 51.333 -15.825 727.93
14 Nov 774.30 63.8 10.55 32.66 115.018 -25.088 744.912
13 Nov 786.25 53.25 -2.55 28.68 78.737 -23.93 770.772
12 Nov 784.85 55.8 17.30 30.23 225.404 -31.649 830.982
11 Nov 804.70 38.5 -9.50 26.97 1,940.246 10.807 861.088
8 Nov 805.45 48 8.10 38.38 543.439 -121.579 850.667
7 Nov 819.75 39.9 14.45 41.36 2,166.807 -33.579 966.842
6 Nov 839.70 25.45 -6.35 34.30 2,172.982 128.912 1,001.965
5 Nov 835.65 31.8 -8.35 38.56 1,064.105 80.667 873.825
4 Nov 824.10 40.15 6.80 40.99 1,456.632 -12.351 792
1 Nov 843.45 33.35 -3.25 41.63 202.246 8.491 805.895
31 Oct 834.05 36.6 2.80 - 1,789.333 312.246 797.404
30 Oct 840.20 33.8 1.70 - 804.351 174.07 485.544
29 Oct 842.75 32.1 16.30 - 1,328.877 187.579 312.246
28 Oct 878.45 15.8 -5.30 - 97.263 4.632 125.053
25 Oct 864.30 21.1 4.80 - 143.579 6.175 120.421
24 Oct 880.00 16.3 -1.60 - 101.895 18.526 113.86
23 Oct 877.65 17.9 1.40 - 87.228 -2.316 94.175
22 Oct 879.50 16.5 5.50 - 187.965 -40.14 96.877
21 Oct 903.30 11 2.85 - 48.632 8.877 137.789
18 Oct 910.15 8.15 -4.05 - 75.649 8.877 128.912
17 Oct 891.60 12.2 2.25 - 125.439 43.614 118.877
16 Oct 907.45 9.95 1.85 - 57.509 19.298 77.579
15 Oct 917.30 8.1 1.50 - 18.526 12.351 54.421
14 Oct 928.25 6.6 0.10 - 51.333 14.667 42.07
11 Oct 930.70 6.5 -0.50 - 6.561 -4.246 27.404
10 Oct 928.50 7 0.00 - 9.263 0.772 27.789
9 Oct 939.15 7 -1.80 - 10.035 0 27.404
8 Oct 919.80 8.8 -1.30 - 54.421 19.298 27.018
7 Oct 927.85 10.1 0.35 - 3.86 0.772 7.719
4 Oct 930.75 9.75 -0.25 - 1.158 -0.386 6.561
3 Oct 925.70 10 4.20 - 8.105 2.702 6.561
1 Oct 965.20 5.8 2.60 - 5.018 3.86 3.86
30 Sept 974.65 3.2 0.00 - 0 0 0
27 Sept 993.00 3.2 0.00 - 0 0 0
26 Sept 993.15 3.2 0.00 - 0 0 0
24 Sept 977.30 3.2 0.00 - 0 0 0
23 Sept 971.80 3.2 0.00 - 0 0 0
19 Sept 967.00 3.2 0.00 - 0 0 0
18 Sept 962.05 3.2 0.00 - 0 0 0
16 Sept 988.40 3.2 0.00 - 0 0 0
13 Sept 992.10 3.2 - 0 0 0


For Tata Motors Limited - strike price 840 expiring on 28NOV2024

Delta for 840 PE is -0.89

Historical price for 840 PE is as follows

On 21 Nov TATAMOTORS was trading at 773.85. The strike last trading price was 67.05, which was 8.05 higher than the previous day. The implied volatity was 46.43, the open interest changed by -24 which decreased total open position to 1763


On 20 Nov TATAMOTORS was trading at 783.20. The strike last trading price was 59, which was 0.00 lower than the previous day. The implied volatity was 38.28, the open interest changed by -99 which decreased total open position to 1787


On 19 Nov TATAMOTORS was trading at 783.20. The strike last trading price was 59, which was -8.00 lower than the previous day. The implied volatity was 38.28, the open interest changed by -99 which decreased total open position to 1787


On 18 Nov TATAMOTORS was trading at 771.90. The strike last trading price was 67, which was 3.20 higher than the previous day. The implied volatity was 35.42, the open interest changed by -41 which decreased total open position to 1886


On 14 Nov TATAMOTORS was trading at 774.30. The strike last trading price was 63.8, which was 10.55 higher than the previous day. The implied volatity was 32.66, the open interest changed by -65 which decreased total open position to 1930


On 13 Nov TATAMOTORS was trading at 786.25. The strike last trading price was 53.25, which was -2.55 lower than the previous day. The implied volatity was 28.68, the open interest changed by -62 which decreased total open position to 1997


On 12 Nov TATAMOTORS was trading at 784.85. The strike last trading price was 55.8, which was 17.30 higher than the previous day. The implied volatity was 30.23, the open interest changed by -82 which decreased total open position to 2153


On 11 Nov TATAMOTORS was trading at 804.70. The strike last trading price was 38.5, which was -9.50 lower than the previous day. The implied volatity was 26.97, the open interest changed by 28 which increased total open position to 2231


On 8 Nov TATAMOTORS was trading at 805.45. The strike last trading price was 48, which was 8.10 higher than the previous day. The implied volatity was 38.38, the open interest changed by -315 which decreased total open position to 2204


On 7 Nov TATAMOTORS was trading at 819.75. The strike last trading price was 39.9, which was 14.45 higher than the previous day. The implied volatity was 41.36, the open interest changed by -87 which decreased total open position to 2505


On 6 Nov TATAMOTORS was trading at 839.70. The strike last trading price was 25.45, which was -6.35 lower than the previous day. The implied volatity was 34.30, the open interest changed by 334 which increased total open position to 2596


On 5 Nov TATAMOTORS was trading at 835.65. The strike last trading price was 31.8, which was -8.35 lower than the previous day. The implied volatity was 38.56, the open interest changed by 209 which increased total open position to 2264


On 4 Nov TATAMOTORS was trading at 824.10. The strike last trading price was 40.15, which was 6.80 higher than the previous day. The implied volatity was 40.99, the open interest changed by -32 which decreased total open position to 2052


On 1 Nov TATAMOTORS was trading at 843.45. The strike last trading price was 33.35, which was -3.25 lower than the previous day. The implied volatity was 41.63, the open interest changed by 22 which increased total open position to 2088


On 31 Oct TATAMOTORS was trading at 834.05. The strike last trading price was 36.6, which was 2.80 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 30 Oct TATAMOTORS was trading at 840.20. The strike last trading price was 33.8, which was 1.70 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 29 Oct TATAMOTORS was trading at 842.75. The strike last trading price was 32.1, which was 16.30 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 28 Oct TATAMOTORS was trading at 878.45. The strike last trading price was 15.8, which was -5.30 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 25 Oct TATAMOTORS was trading at 864.30. The strike last trading price was 21.1, which was 4.80 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 24 Oct TATAMOTORS was trading at 880.00. The strike last trading price was 16.3, which was -1.60 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 23 Oct TATAMOTORS was trading at 877.65. The strike last trading price was 17.9, which was 1.40 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 22 Oct TATAMOTORS was trading at 879.50. The strike last trading price was 16.5, which was 5.50 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 21 Oct TATAMOTORS was trading at 903.30. The strike last trading price was 11, which was 2.85 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 18 Oct TATAMOTORS was trading at 910.15. The strike last trading price was 8.15, which was -4.05 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 17 Oct TATAMOTORS was trading at 891.60. The strike last trading price was 12.2, which was 2.25 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 16 Oct TATAMOTORS was trading at 907.45. The strike last trading price was 9.95, which was 1.85 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 15 Oct TATAMOTORS was trading at 917.30. The strike last trading price was 8.1, which was 1.50 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 14 Oct TATAMOTORS was trading at 928.25. The strike last trading price was 6.6, which was 0.10 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 11 Oct TATAMOTORS was trading at 930.70. The strike last trading price was 6.5, which was -0.50 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 10 Oct TATAMOTORS was trading at 928.50. The strike last trading price was 7, 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 TATAMOTORS was trading at 939.15. The strike last trading price was 7, which was -1.80 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 8 Oct TATAMOTORS was trading at 919.80. The strike last trading price was 8.8, which was -1.30 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 7 Oct TATAMOTORS was trading at 927.85. The strike last trading price was 10.1, which was 0.35 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 4 Oct TATAMOTORS was trading at 930.75. The strike last trading price was 9.75, which was -0.25 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 3 Oct TATAMOTORS was trading at 925.70. The strike last trading price was 10, which was 4.20 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 1 Oct TATAMOTORS was trading at 965.20. The strike last trading price was 5.8, which was 2.60 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 30 Sept TATAMOTORS was trading at 974.65. The strike last trading price was 3.2, 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 TATAMOTORS was trading at 993.00. The strike last trading price was 3.2, 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 TATAMOTORS was trading at 993.15. The strike last trading price was 3.2, 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 Sept TATAMOTORS was trading at 977.30. The strike last trading price was 3.2, 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 Sept TATAMOTORS was trading at 971.80. The strike last trading price was 3.2, 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 19 Sept TATAMOTORS was trading at 967.00. The strike last trading price was 3.2, 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 Sept TATAMOTORS was trading at 962.05. The strike last trading price was 3.2, 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 Sept TATAMOTORS was trading at 988.40. The strike last trading price was 3.2, 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 13 Sept TATAMOTORS was trading at 992.10. The strike last trading price was 3.2, which was lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to