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Historical option data for SILVERM

26 May 2026 11:58 PM IST
SILVERM 19-Jun-2026 (23d) 280000 CE
Delta: 0.45
Vega: 280.13
Theta: -233
Gamma: 0
Date Close Ltp Change IV Volume OI Chg OI
26 May 274795.00 9072.5 -162.5 (-1.76%) 40.31 3,640 795 2,886
25 May 280150.00 13099 -113 (-0.86%) 44.36 2,212 89 2,162
22 May 275600.00 12600 -20 (-0.16%) 47.71 1,423 35 2,008
21 May 278897.00 15638.5 871 (5.90%) 51.34 2,318 905 1,973
20 May 277426.00 14051 -72.5 (-0.51%) 47.86 1,030 156 1,068
19 May 273557.00 13200 -30 (-0.23%) 50.26 833 163 912
18 May 279400.00 17300 -59.5 (-0.34%) 53.13 1,232 233 749
15 May 274388.00 14361 -515 (-3.46%) 49.59 2,024 367 516
14 May 293480.00 25750 -447 (-1.71%) 50.62 99 20 149
13 May 302766.00 31789 -333.5 (-1.04%) 49.05 283 10 128
12 May 280682.00 18038 -194 (-1.06%) 48.94 288 42 119
11 May 279824.00 17299.5 411 (2.43%) 47.54 155 58 77
8 May 264374.00 8400 -143.5 (-1.68%) 40.47 7 2 19
7 May 262064.00 8000 -1512.5 (-15.90%) 41.24 20 5 17
6 May 256650.00 5400 388.5 (7.75%) 37.91 6 12 12
5 May 247983.00 4604 0 (0.00%) 42.38 2 10 10
4 May 247665.00 4612.5 8.5 (0.18%) 42.23 4 10 10
3 May 253920.00 4600 0 (0.00%) 35.66 1 1 0
2 May 253920.00 4600 0 (0.00%) 35.66 1 1 0
1 May 253920.00 4600 0 (0.00%) 35.65 1 1 6
30 Apr 243000.00 3800 -100 (-2.56%) 36.9 2 1 6
29 Apr 240100.00 4100 -840 (-17.00%) 42.2 5 3 5
28 Apr 244500.00 5000 0 (0.00%) 41.87 2 2 2
27 Apr 248600.00 0 0 (0.00%) - 0 0 0
24 Apr 247700.00 0 0 (0.00%) - 0 0 0
23 Apr 245000.00 0 0 (0.00%) - 0 0 0
22 Apr 250515.00 0 0 (0.00%) - 0 0 0
21 Apr 246800.00 0 0 (0.00%) - 0 0 0
20 Apr 253780.00 - - - 0 0 0
17 Apr 259100.00 0 0 (0.00%) - 0 0 0
16 Apr 249950.00 - - - 0 0 0
15 Apr 252450.00 0 0 (0.00%) - 0 0 0
14 Apr 253364.00 0 0 (0.00%) - 0 0 0
13 Apr 242250.00 - - - 0 0 0
10 Apr 244800.00 - - - 0 0 0
9 Apr 245900.00 - - - 0 0 0
8 Apr 242235.00 - - - 0 0 0
7 Apr 233582.00 - - - 0 0 0
6 Apr 236041.00 - - - 0 0 0
2 Apr 236115.00 - - - 0 0 0
1 Apr 246100.00 - - - 0 0 0
31 Mar 244490.00 - - - 0 0 0
30 Mar 232699.00 - - - 0 0 0
27 Mar 232409.00 - - - 0 0 0
26 Mar 223599.00 - - - 0 0 0
25 Mar 238550.00 - - - 0 0 0
24 Mar 228700.00 - - - 0 0 0
23 Mar 230552.00 - - - 0 0 0


For Silver Mini - strike price 280000 expiring on 19JUN2026

Delta for 280000 CE is 0.45

Historical price for 280000 CE is as follows

On 26 May SILVERM was trading at 274795.00. The strike last trading price was 9072.5, which was -162.5 lower than the previous day. The implied volatity was 40.31, the open interest changed by 795 which increased total open position to 2886


On 25 May SILVERM was trading at 280150.00. The strike last trading price was 13099, which was -113 lower than the previous day. The implied volatity was 44.36, the open interest changed by 89 which increased total open position to 2162


On 22 May SILVERM was trading at 275600.00. The strike last trading price was 12600, which was -20 lower than the previous day. The implied volatity was 47.71, the open interest changed by 35 which increased total open position to 2008


On 21 May SILVERM was trading at 278897.00. The strike last trading price was 15638.5, which was 871 higher than the previous day. The implied volatity was 51.34, the open interest changed by 905 which increased total open position to 1973


On 20 May SILVERM was trading at 277426.00. The strike last trading price was 14051, which was -72.5 lower than the previous day. The implied volatity was 47.86, the open interest changed by 156 which increased total open position to 1068


On 19 May SILVERM was trading at 273557.00. The strike last trading price was 13200, which was -30 lower than the previous day. The implied volatity was 50.26, the open interest changed by 163 which increased total open position to 912


On 18 May SILVERM was trading at 279400.00. The strike last trading price was 17300, which was -59.5 lower than the previous day. The implied volatity was 53.13, the open interest changed by 233 which increased total open position to 749


On 15 May SILVERM was trading at 274388.00. The strike last trading price was 14361, which was -515 lower than the previous day. The implied volatity was 49.59, the open interest changed by 367 which increased total open position to 516


On 14 May SILVERM was trading at 293480.00. The strike last trading price was 25750, which was -447 lower than the previous day. The implied volatity was 50.62, the open interest changed by 20 which increased total open position to 149


On 13 May SILVERM was trading at 302766.00. The strike last trading price was 31789, which was -333.5 lower than the previous day. The implied volatity was 49.05, the open interest changed by 10 which increased total open position to 128


On 12 May SILVERM was trading at 280682.00. The strike last trading price was 18038, which was -194 lower than the previous day. The implied volatity was 48.94, the open interest changed by 42 which increased total open position to 119


On 11 May SILVERM was trading at 279824.00. The strike last trading price was 17299.5, which was 411 higher than the previous day. The implied volatity was 47.54, the open interest changed by 58 which increased total open position to 77


On 8 May SILVERM was trading at 264374.00. The strike last trading price was 8400, which was -143.5 lower than the previous day. The implied volatity was 40.47, the open interest changed by 2 which increased total open position to 19


On 7 May SILVERM was trading at 262064.00. The strike last trading price was 8000, which was -1512.5 lower than the previous day. The implied volatity was 41.24, the open interest changed by 5 which increased total open position to 17


On 6 May SILVERM was trading at 256650.00. The strike last trading price was 5400, which was 388.5 higher than the previous day. The implied volatity was 37.91, the open interest changed by 12 which increased total open position to 12


On 5 May SILVERM was trading at 247983.00. The strike last trading price was 4604, which was 0 lower than the previous day. The implied volatity was 42.38, the open interest changed by 10 which increased total open position to 10


On 4 May SILVERM was trading at 247665.00. The strike last trading price was 4612.5, which was 8.5 higher than the previous day. The implied volatity was 42.23, the open interest changed by 10 which increased total open position to 10


On 3 May SILVERM was trading at 253920.00. The strike last trading price was 4600, which was 0 lower than the previous day. The implied volatity was 35.66, the open interest changed by 1 which increased total open position to 0


On 2 May SILVERM was trading at 253920.00. The strike last trading price was 4600, which was 0 lower than the previous day. The implied volatity was 35.66, the open interest changed by 1 which increased total open position to 0


On 1 May SILVERM was trading at 253920.00. The strike last trading price was 4600, which was 0 lower than the previous day. The implied volatity was 35.65, the open interest changed by 1 which increased total open position to 6


On 30 Apr SILVERM was trading at 243000.00. The strike last trading price was 3800, which was -100 lower than the previous day. The implied volatity was 36.9, the open interest changed by 1 which increased total open position to 6


On 29 Apr SILVERM was trading at 240100.00. The strike last trading price was 4100, which was -840 lower than the previous day. The implied volatity was 42.2, the open interest changed by 3 which increased total open position to 5


On 28 Apr SILVERM was trading at 244500.00. The strike last trading price was 5000, which was 0 lower than the previous day. The implied volatity was 41.87, the open interest changed by 2 which increased total open position to 2


On 27 Apr SILVERM was trading at 248600.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 24 Apr SILVERM was trading at 247700.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 23 Apr SILVERM was trading at 245000.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 22 Apr SILVERM was trading at 250515.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 21 Apr SILVERM was trading at 246800.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 20 Apr SILVERM was trading at 253780.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 17 Apr SILVERM was trading at 259100.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 16 Apr SILVERM was trading at 249950.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 15 Apr SILVERM was trading at 252450.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 14 Apr SILVERM was trading at 253364.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 13 Apr SILVERM was trading at 242250.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 10 Apr SILVERM was trading at 244800.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 9 Apr SILVERM was trading at 245900.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 8 Apr SILVERM was trading at 242235.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 7 Apr SILVERM was trading at 233582.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 6 Apr SILVERM was trading at 236041.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 2 Apr SILVERM was trading at 236115.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 1 Apr SILVERM was trading at 246100.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 31 Mar SILVERM was trading at 244490.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 30 Mar SILVERM was trading at 232699.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 27 Mar SILVERM was trading at 232409.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 26 Mar SILVERM was trading at 223599.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 25 Mar SILVERM was trading at 238550.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 24 Mar SILVERM was trading at 228700.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 23 Mar SILVERM was trading at 230552.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


SILVERM 19-Jun-2026 (23d) 280000 PE
Delta: -0.55
Vega: 280.07
Theta: -231.22
Gamma: 0
Date Close Ltp Change IV Volume OI Chg OI
26 May 274795.00 14193.5 -61.5 (-0.43%) 40.01 1,932 460 1,970
25 May 280150.00 12675 167.5 (1.34%) 43.42 1,419 121 1,550
22 May 275600.00 16345 7.5 (0.05%) 45.57 461 36 1,391
21 May 278897.00 15600 -362 (-2.27%) 47.71 1,217 747 1,355
20 May 277426.00 16299 158 (0.98%) 46.84 412 185 608
19 May 273557.00 19500 -137 (-0.70%) 49.81 400 108 423
18 May 279400.00 17913.5 333 (1.89%) 53.17 360 84 315
15 May 274388.00 19594 -221.5 (-1.12%) 48.47 607 79 231
14 May 293480.00 12282.5 -88.5 (-0.72%) 50.66 226 73 152
13 May 302766.00 10130.5 230 (2.32%) 52.42 273 49 79
12 May 280682.00 17200 -606 (-3.40%) 48.51 62 30 30
11 May 279824.00 0 0 (0.00%) - 0 0 0
8 May 264374.00 0 0 (0.00%) - 0 0 0
7 May 262064.00 0 0 (0.00%) - 0 0 0
6 May 256650.00 0 0 (0.00%) - 0 0 0
5 May 247983.00 0 0 (0.00%) - 0 0 0
4 May 247665.00 0 0 (0.00%) - 0 0 0
3 May 253920.00 0 0 (0.00%) - 0 0 0
2 May 253920.00 0 0 (0.00%) - 0 0 0
1 May 253920.00 0 0 (0.00%) - 0 0 0
30 Apr 243000.00 0 0 (0.00%) - 0 0 0
29 Apr 240100.00 0 0 (0.00%) - 0 0 0
28 Apr 244500.00 0 0 (0.00%) - 0 0 0
27 Apr 248600.00 0 0 (0.00%) - 0 0 0
24 Apr 247700.00 0 0 (0.00%) - 0 0 0
23 Apr 245000.00 0 0 (0.00%) - 0 0 0
22 Apr 250515.00 0 0 (0.00%) - 0 0 0
21 Apr 246800.00 0 0 (0.00%) - 0 0 0
20 Apr 253780.00 - - - 0 0 0
17 Apr 259100.00 0 0 (0.00%) - 0 0 0
16 Apr 249950.00 - - - 0 0 0
15 Apr 252450.00 0 0 (0.00%) - 0 0 0
14 Apr 253364.00 0 0 (0.00%) - 0 0 0
13 Apr 242250.00 - - - 0 0 0
10 Apr 244800.00 - - - 0 0 0
9 Apr 245900.00 - - - 0 0 0
8 Apr 242235.00 - - - 0 0 0
7 Apr 233582.00 - - - 0 0 0
6 Apr 236041.00 - - - 0 0 0
2 Apr 236115.00 - - - 0 0 0
1 Apr 246100.00 - - - 0 0 0
31 Mar 244490.00 - - - 0 0 0
30 Mar 232699.00 - - - 0 0 0
27 Mar 232409.00 - - - 0 0 0
26 Mar 223599.00 - - - 0 0 0
25 Mar 238550.00 - - - 0 0 0
24 Mar 228700.00 - - - 0 0 0
23 Mar 230552.00 - - - 0 0 0


For Silver Mini - strike price 280000 expiring on 19JUN2026

Delta for 280000 PE is -0.55

Historical price for 280000 PE is as follows

On 26 May SILVERM was trading at 274795.00. The strike last trading price was 14193.5, which was -61.5 lower than the previous day. The implied volatity was 40.01, the open interest changed by 460 which increased total open position to 1970


On 25 May SILVERM was trading at 280150.00. The strike last trading price was 12675, which was 167.5 higher than the previous day. The implied volatity was 43.42, the open interest changed by 121 which increased total open position to 1550


On 22 May SILVERM was trading at 275600.00. The strike last trading price was 16345, which was 7.5 higher than the previous day. The implied volatity was 45.57, the open interest changed by 36 which increased total open position to 1391


On 21 May SILVERM was trading at 278897.00. The strike last trading price was 15600, which was -362 lower than the previous day. The implied volatity was 47.71, the open interest changed by 747 which increased total open position to 1355


On 20 May SILVERM was trading at 277426.00. The strike last trading price was 16299, which was 158 higher than the previous day. The implied volatity was 46.84, the open interest changed by 185 which increased total open position to 608


On 19 May SILVERM was trading at 273557.00. The strike last trading price was 19500, which was -137 lower than the previous day. The implied volatity was 49.81, the open interest changed by 108 which increased total open position to 423


On 18 May SILVERM was trading at 279400.00. The strike last trading price was 17913.5, which was 333 higher than the previous day. The implied volatity was 53.17, the open interest changed by 84 which increased total open position to 315


On 15 May SILVERM was trading at 274388.00. The strike last trading price was 19594, which was -221.5 lower than the previous day. The implied volatity was 48.47, the open interest changed by 79 which increased total open position to 231


On 14 May SILVERM was trading at 293480.00. The strike last trading price was 12282.5, which was -88.5 lower than the previous day. The implied volatity was 50.66, the open interest changed by 73 which increased total open position to 152


On 13 May SILVERM was trading at 302766.00. The strike last trading price was 10130.5, which was 230 higher than the previous day. The implied volatity was 52.42, the open interest changed by 49 which increased total open position to 79


On 12 May SILVERM was trading at 280682.00. The strike last trading price was 17200, which was -606 lower than the previous day. The implied volatity was 48.51, the open interest changed by 30 which increased total open position to 30


On 11 May SILVERM was trading at 279824.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 8 May SILVERM was trading at 264374.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 7 May SILVERM was trading at 262064.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 6 May SILVERM was trading at 256650.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 5 May SILVERM was trading at 247983.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 4 May SILVERM was trading at 247665.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 3 May SILVERM was trading at 253920.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 2 May SILVERM was trading at 253920.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 1 May SILVERM was trading at 253920.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 30 Apr SILVERM was trading at 243000.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 29 Apr SILVERM was trading at 240100.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 28 Apr SILVERM was trading at 244500.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 27 Apr SILVERM was trading at 248600.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 24 Apr SILVERM was trading at 247700.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 23 Apr SILVERM was trading at 245000.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 22 Apr SILVERM was trading at 250515.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 21 Apr SILVERM was trading at 246800.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 20 Apr SILVERM was trading at 253780.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 17 Apr SILVERM was trading at 259100.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 16 Apr SILVERM was trading at 249950.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 15 Apr SILVERM was trading at 252450.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 14 Apr SILVERM was trading at 253364.00. The strike last trading price was 0, which was 0 lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 13 Apr SILVERM was trading at 242250.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 10 Apr SILVERM was trading at 244800.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 9 Apr SILVERM was trading at 245900.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 8 Apr SILVERM was trading at 242235.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 7 Apr SILVERM was trading at 233582.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 6 Apr SILVERM was trading at 236041.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 2 Apr SILVERM was trading at 236115.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 1 Apr SILVERM was trading at 246100.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 31 Mar SILVERM was trading at 244490.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 30 Mar SILVERM was trading at 232699.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 27 Mar SILVERM was trading at 232409.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 26 Mar SILVERM was trading at 223599.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 25 Mar SILVERM was trading at 238550.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 24 Mar SILVERM was trading at 228700.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0


On 23 Mar SILVERM was trading at 230552.00. The strike last trading price was -, which was - lower than the previous day. The implied volatity was -, the open interest changed by 0 which decreased total open position to 0