NasdaqGM - Delayed Quote • USD
B. Riley Financial, Inc. (RILY)
At close: May 7 at 4:00 PM EDT
After hours: May 7 at 7:54 PM EDT
| Contract Name | Last Trade Date (EDT) | Strike | Last Price | Bid | Ask | Change | % Change | Volume | Open Interest | Implied Volatility |
|---|---|---|---|---|---|---|---|---|---|---|
| RILY240510C00010000 | 4/29/2024 1:44 PM | 10 | 25.10 | 20.20 | 22.40 | 0.00 | 0.00% | - | 1 | 942.97% |
| RILY240510C00015000 | 4/24/2024 1:34 PM | 15 | 18.80 | 15.20 | 17.40 | 0.00 | 0.00% | - | 0 | 644.53% |
| RILY240510C00017500 | 4/24/2024 7:10 PM | 17.5 | 12.80 | 12.80 | 14.90 | 0.00 | 0.00% | 1 | 0 | 532.81% |
| RILY240510C00018000 | 4/25/2024 6:13 PM | 18 | 15.19 | 12.20 | 14.40 | 0.00 | 0.00% | 10 | 0 | 512.50% |
| RILY240510C00020000 | 5/7/2024 4:16 PM | 20 | 11.00 | 10.40 | 12.40 | -0.10 | -0.90% | 6 | 66 | 435.55% |
| RILY240510C00020500 | 5/2/2024 6:59 PM | 20.5 | 14.60 | 9.80 | 11.90 | 0.00 | 0.00% | 1 | 1 | 417.58% |
| RILY240510C00021000 | 5/7/2024 5:37 PM | 21 | 11.15 | 9.50 | 11.40 | -5.95 | -34.80% | 1 | 2 | 399.80% |
| RILY240510C00021500 | 5/6/2024 3:07 PM | 21.5 | 9.80 | 8.80 | 10.90 | 0.00 | 0.00% | 6 | 235 | 382.42% |
| RILY240510C00022000 | 5/7/2024 4:17 PM | 22 | 9.00 | 8.50 | 10.40 | -3.53 | -28.17% | 2 | 44 | 365.63% |
| RILY240510C00022500 | 5/3/2024 5:22 PM | 22.5 | 8.60 | 7.70 | 9.90 | 0.00 | 0.00% | 2 | 94 | 348.83% |
| RILY240510C00023000 | 5/7/2024 4:28 PM | 23 | 8.70 | 7.60 | 9.40 | -2.17 | -19.96% | 29 | 46 | 332.42% |
| RILY240510C00023500 | 5/6/2024 3:47 PM | 23.5 | 7.70 | 7.30 | 8.90 | 0.00 | 0.00% | 2 | 68 | 316.02% |
| RILY240510C00024000 | 5/7/2024 4:27 PM | 24 | 7.70 | 6.60 | 8.40 | -0.30 | -3.75% | 21 | 49 | 300.00% |
| RILY240510C00024500 | 5/7/2024 1:32 PM | 24.5 | 5.80 | 6.00 | 8.30 | 0.00 | 0.00% | 3 | 14 | 345.31% |
| RILY240510C00025000 | 5/7/2024 4:18 PM | 25 | 6.60 | 6.30 | 7.80 | 1.70 | 34.69% | 15 | 220 | 203.13% |
| RILY240510C00025500 | 4/25/2024 7:13 PM | 25.5 | 8.80 | 5.20 | 6.90 | 0.00 | 0.00% | - | 17 | 253.13% |
| RILY240510C00026000 | 5/7/2024 7:53 PM | 26 | 5.51 | 5.30 | 6.50 | -2.39 | -30.25% | 3 | 23 | 137.50% |
| RILY240510C00026500 | 5/3/2024 7:02 PM | 26.5 | 4.42 | 4.40 | 6.00 | 0.00 | 0.00% | 7 | 7 | 236.72% |
| RILY240510C00027000 | 5/3/2024 7:04 PM | 27 | 3.92 | 3.70 | 5.50 | 0.00 | 0.00% | 11 | 31 | 221.09% |
| RILY240510C00027500 | 5/2/2024 7:14 PM | 27.5 | 7.80 | 3.30 | 5.20 | 0.00 | 0.00% | - | 10 | 230.08% |
| RILY240510C00028000 | 5/3/2024 6:10 PM | 28 | 3.00 | 3.70 | 4.70 | 0.00 | 0.00% | 2 | 47 | 150.39% |
| RILY240510C00028500 | 5/6/2024 5:05 PM | 28.5 | 2.30 | 3.10 | 4.60 | 0.00 | 0.00% | 22 | 28 | 155.86% |
| RILY240510C00029000 | 5/7/2024 4:36 PM | 29 | 3.04 | 2.15 | 3.90 | 0.99 | 48.29% | 33 | 49 | 97.66% |
| RILY240510C00029500 | 5/6/2024 5:27 PM | 29.5 | 1.65 | 2.60 | 3.50 | 0.00 | 0.00% | 5 | 6 | 147.66% |
| RILY240510C00030000 | 5/7/2024 6:26 PM | 30 | 2.70 | 2.25 | 3.00 | 0.95 | 54.29% | 74 | 985 | 138.67% |
| RILY240510C00030500 | 5/7/2024 3:37 PM | 30.5 | 1.73 | 1.30 | 2.85 | 0.23 | 15.33% | 79 | 41 | 116.41% |
| RILY240510C00031000 | 5/7/2024 7:25 PM | 31 | 1.72 | 1.45 | 2.50 | 0.52 | 43.33% | 133 | 303 | 134.77% |
| RILY240510C00031500 | 5/7/2024 3:59 PM | 31.5 | 1.60 | 1.35 | 2.10 | 0.50 | 45.45% | 27 | 126 | 136.33% |
| RILY240510C00032000 | 5/7/2024 7:53 PM | 32 | 1.59 | 1.15 | 1.75 | 0.59 | 59.00% | 605 | 554 | 133.40% |
| RILY240510C00032500 | 5/7/2024 7:09 PM | 32.5 | 1.05 | 0.80 | 1.45 | 0.25 | 31.25% | 130 | 75 | 123.83% |
| RILY240510C00033000 | 5/7/2024 6:15 PM | 33 | 0.85 | 0.95 | 1.25 | 0.10 | 13.33% | 84 | 426 | 138.48% |
| RILY240510C00033500 | 5/7/2024 7:49 PM | 33.5 | 0.95 | 0.45 | 1.05 | 0.30 | 46.15% | 176 | 1,324 | 121.68% |
| RILY240510C00034000 | 5/7/2024 7:56 PM | 34 | 0.85 | 0.65 | 1.05 | 0.35 | 70.00% | 106 | 105 | 145.12% |
| RILY240510C00034500 | 5/7/2024 3:59 PM | 34.5 | 0.55 | 0.30 | 1.10 | 0.10 | 22.22% | 20 | 67 | 143.36% |
| RILY240510C00035000 | 5/7/2024 7:28 PM | 35 | 0.50 | 0.40 | 0.75 | 0.10 | 25.00% | 371 | 1,861 | 142.19% |
| RILY240510C00035500 | 5/6/2024 5:25 PM | 35.5 | 0.40 | 0.25 | 0.60 | 0.00 | 0.00% | 18 | 31 | 135.94% |
| RILY240510C00036000 | 5/7/2024 7:31 PM | 36 | 0.50 | 0.10 | 0.75 | 0.19 | 61.29% | 344 | 345 | 146.29% |
| RILY240510C00036500 | 5/7/2024 5:36 PM | 36.5 | 0.40 | 0.10 | 0.70 | 0.10 | 33.33% | 11 | 14 | 152.73% |
| RILY240510C00037000 | 5/7/2024 1:54 PM | 37 | 0.25 | 0.20 | 0.60 | 0.00 | 0.00% | 30 | 193 | 162.30% |
| RILY240510C00037500 | 5/7/2024 7:54 PM | 37.5 | 0.25 | 0.15 | 0.30 | 0.00 | 0.00% | 72 | 29 | 144.14% |
| RILY240510C00038000 | 5/7/2024 6:09 PM | 38 | 0.20 | 0.15 | 0.35 | -0.05 | -20.00% | 36 | 184 | 156.64% |
| RILY240510C00038500 | 5/6/2024 1:40 PM | 38.5 | 0.50 | 0.10 | 0.45 | 0.00 | 0.00% | 20 | 28 | 169.14% |
| RILY240510C00039000 | 5/7/2024 7:43 PM | 39 | 0.20 | 0.05 | 0.40 | 0.00 | 0.00% | 82 | 160 | 167.97% |
| RILY240510C00039500 | 5/6/2024 5:44 PM | 39.5 | 0.20 | 0.10 | 0.25 | 0.00 | 0.00% | 1 | 7 | 164.84% |
| RILY240510C00040000 | 5/7/2024 7:43 PM | 40 | 0.15 | 0.10 | 0.15 | -0.05 | -25.00% | 414 | 1,566 | 159.38% |
| RILY240510C00040500 | 5/7/2024 1:40 PM | 40.5 | 0.10 | 0.05 | 0.40 | -0.25 | -71.43% | 200 | 5 | 189.84% |
| RILY240510C00041000 | 5/6/2024 5:36 PM | 41 | 0.14 | 0.05 | 0.35 | 0.00 | 0.00% | 1 | 9 | 191.41% |
| RILY240510C00041500 | 5/2/2024 6:21 PM | 41.5 | 0.10 | 0.05 | 0.55 | -0.75 | -88.24% | 1 | 10 | 218.75% |
| RILY240510C00042000 | 5/6/2024 3:24 PM | 42 | 0.20 | 0.10 | 0.55 | 0.00 | 0.00% | 2 | 157 | 230.47% |
| RILY240510C00042500 | 5/6/2024 7:05 PM | 42.5 | 0.10 | 0.00 | 0.10 | 0.00 | 0.00% | 21 | 9 | 162.50% |
| RILY240510C00043000 | 5/7/2024 3:34 PM | 43 | 0.09 | 0.05 | 0.30 | -0.06 | -40.00% | 1 | 60 | 211.33% |
| RILY240510C00043500 | 5/1/2024 5:16 PM | 43.5 | 0.80 | 0.00 | 1.15 | 0.00 | 0.00% | - | 2 | 292.58% |
| RILY240510C00044000 | 5/7/2024 4:38 PM | 44 | 0.10 | 0.05 | 0.15 | -0.05 | -33.33% | 30 | 228 | 200.00% |
| RILY240510C00044500 | 5/3/2024 6:30 PM | 44.5 | 0.15 | 0.00 | 0.50 | 0.00 | 0.00% | 47 | 47 | 247.66% |
| RILY240510C00045000 | 5/7/2024 7:08 PM | 45 | 0.04 | 0.00 | 0.05 | -0.06 | -60.00% | 34 | 308 | 170.31% |
| RILY240510C00045500 | 5/7/2024 7:07 PM | 45.5 | 0.05 | 0.00 | 0.25 | -0.05 | -50.00% | 117 | 20 | 225.00% |
| RILY240510C00046000 | 5/3/2024 6:30 PM | 46 | 0.15 | 0.00 | 0.40 | 0.00 | 0.00% | 84 | 84 | 253.13% |
| RILY240510C00047000 | 5/7/2024 4:35 PM | 47 | 0.05 | 0.00 | 0.10 | 0.00 | 0.00% | 12 | 69 | 207.81% |
| RILY240510C00047500 | 5/3/2024 6:30 PM | 47.5 | 0.10 | 0.00 | 0.05 | 0.00 | 0.00% | 18 | 20 | 192.19% |
| RILY240510C00048000 | 5/3/2024 6:30 PM | 48 | 0.10 | 0.00 | 0.10 | 0.00 | 0.00% | 18 | 27 | 216.41% |
| RILY240510C00048500 | 5/3/2024 6:30 PM | 48.5 | 0.10 | 0.00 | 0.10 | 0.00 | 0.00% | 5 | 5 | 220.31% |
| RILY240510C00049000 | 5/6/2024 1:46 PM | 49 | 0.10 | 0.00 | 0.10 | 0.00 | 0.00% | 9 | 40 | 225.00% |
| RILY240510C00050000 | 5/7/2024 4:11 PM | 50 | 0.05 | 0.00 | 0.05 | 0.00 | 0.00% | 3 | 1,296 | 212.50% |
| Contract Name | Last Trade Date (EDT) | Strike | Last Price | Bid | Ask | Change | % Change | Volume | Open Interest | Implied Volatility |
|---|---|---|---|---|---|---|---|---|---|---|
| RILY240510P00005000 | 4/19/2024 2:52 PM | 5 | 0.05 | 0.00 | 0.05 | 0.00 | 0.00% | 50 | 63 | 850.00% |
| RILY240510P00010000 | 5/6/2024 2:02 PM | 10 | 0.03 | 0.00 | 0.05 | 0.00 | 0.00% | 2 | 3,107 | 537.50% |
| RILY240510P00013000 | 4/29/2024 2:13 PM | 13 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00% | 2 | 151 | 50.00% |
| RILY240510P00014000 | 5/1/2024 7:28 PM | 14 | 0.05 | 0.00 | 0.05 | 0.00 | 0.00% | 2 | 1,893 | 387.50% |
| RILY240510P00014500 | 5/1/2024 4:50 PM | 14.5 | 0.03 | 0.00 | 0.05 | 0.00 | 0.00% | 5 | 332 | 375.00% |
| RILY240510P00015000 | 5/1/2024 4:56 PM | 15 | 0.03 | 0.00 | 0.05 | 0.00 | 0.00% | 16 | 1,617 | 359.38% |
| RILY240510P00015500 | 4/30/2024 2:37 PM | 15.5 | 0.05 | 0.00 | 0.05 | 0.00 | 0.00% | 10 | 19 | 343.75% |
| RILY240510P00016000 | 5/6/2024 2:50 PM | 16 | 0.05 | 0.00 | 0.05 | 0.00 | 0.00% | 10 | 1,055 | 331.25% |
| RILY240510P00016500 | 5/1/2024 5:23 PM | 16.5 | 0.05 | 0.00 | 0.05 | 0.00 | 0.00% | 1 | 90 | 315.63% |
| RILY240510P00017000 | 5/6/2024 2:02 PM | 17 | 0.08 | 0.00 | 0.05 | 0.00 | 0.00% | 2 | 1,090 | 303.13% |
| RILY240510P00017500 | 5/7/2024 3:41 PM | 17.5 | 0.03 | 0.00 | 0.05 | 0.00 | 0.00% | 20 | 229 | 290.63% |
| RILY240510P00018000 | 5/6/2024 3:14 PM | 18 | 0.05 | 0.00 | 0.05 | 0.00 | 0.00% | 25 | 81 | 278.13% |
| RILY240510P00018500 | 5/6/2024 7:14 PM | 18.5 | 0.05 | 0.00 | 0.05 | 0.00 | 0.00% | 10 | 418 | 265.63% |
| RILY240510P00019000 | 5/7/2024 5:27 PM | 19 | 0.03 | 0.00 | 0.05 | -0.02 | -40.00% | 1 | 108 | 254.69% |
| RILY240510P00019500 | 5/6/2024 4:26 PM | 19.5 | 0.05 | 0.00 | 0.05 | 0.00 | 0.00% | 268 | 313 | 243.75% |
| RILY240510P00020000 | 5/7/2024 7:17 PM | 20 | 0.05 | 0.05 | 0.05 | -0.01 | -16.67% | 147 | 5,143 | 256.25% |
| RILY240510P00020500 | 5/7/2024 4:18 PM | 20.5 | 0.05 | 0.00 | 0.10 | -0.30 | -85.71% | 13 | 91 | 243.75% |
| RILY240510P00021000 | 5/7/2024 7:33 PM | 21 | 0.06 | 0.00 | 0.10 | -0.04 | -40.00% | 2 | 110 | 232.81% |
| RILY240510P00021500 | 5/7/2024 4:37 PM | 21.5 | 0.05 | 0.00 | 0.10 | -0.10 | -66.67% | 10 | 120 | 221.88% |
| RILY240510P00022000 | 5/7/2024 7:32 PM | 22 | 0.05 | 0.00 | 0.05 | -0.05 | -50.00% | 494 | 884 | 189.06% |
| RILY240510P00022500 | 5/7/2024 7:32 PM | 22.5 | 0.05 | 0.00 | 0.50 | -0.07 | -58.33% | 5 | 43 | 275.39% |
| RILY240510P00023000 | 5/7/2024 7:22 PM | 23 | 0.08 | 0.05 | 0.50 | -0.02 | -20.00% | 114 | 435 | 267.97% |
| RILY240510P00023500 | 5/7/2024 7:33 PM | 23.5 | 0.08 | 0.00 | 0.20 | -0.06 | -42.86% | 5 | 208 | 201.56% |
| RILY240510P00024000 | 5/7/2024 3:06 PM | 24 | 0.12 | 0.05 | 0.15 | -0.11 | -47.83% | 2 | 261 | 189.84% |
| RILY240510P00024500 | 5/7/2024 6:40 PM | 24.5 | 0.10 | 0.05 | 0.25 | -0.18 | -64.29% | 12 | 358 | 194.53% |
| RILY240510P00025000 | 5/7/2024 7:59 PM | 25 | 0.16 | 0.05 | 0.20 | -0.12 | -42.86% | 166 | 1,177 | 175.00% |
| RILY240510P00025500 | 5/7/2024 6:49 PM | 25.5 | 0.20 | 0.05 | 0.30 | -0.10 | -33.33% | 61 | 236 | 176.95% |
| RILY240510P00026000 | 5/7/2024 7:42 PM | 26 | 0.20 | 0.15 | 0.35 | -0.15 | -42.86% | 164 | 765 | 181.25% |
| RILY240510P00026500 | 5/7/2024 6:43 PM | 26.5 | 0.28 | 0.10 | 0.50 | -0.19 | -40.43% | 14 | 76 | 178.13% |
| RILY240510P00027000 | 5/7/2024 6:20 PM | 27 | 0.30 | 0.10 | 0.45 | -0.30 | -50.00% | 275 | 445 | 160.35% |
| RILY240510P00027500 | 5/7/2024 7:58 PM | 27.5 | 0.35 | 0.30 | 0.50 | -0.30 | -46.15% | 53 | 275 | 167.19% |
| RILY240510P00028000 | 5/7/2024 7:44 PM | 28 | 0.40 | 0.20 | 0.45 | -0.45 | -52.94% | 63 | 278 | 142.19% |
| RILY240510P00028500 | 5/7/2024 6:56 PM | 28.5 | 0.50 | 0.45 | 0.65 | -0.45 | -47.37% | 35 | 92 | 158.40% |
| RILY240510P00029000 | 5/7/2024 7:52 PM | 29 | 0.65 | 0.65 | 0.80 | -0.49 | -42.98% | 227 | 295 | 163.28% |
| RILY240510P00029500 | 5/7/2024 7:44 PM | 29.5 | 0.80 | 0.50 | 1.00 | -0.50 | -38.46% | 236 | 181 | 149.80% |
| RILY240510P00030000 | 5/7/2024 7:58 PM | 30 | 0.94 | 0.90 | 1.00 | -1.01 | -51.79% | 344 | 1,417 | 152.93% |
| RILY240510P00030500 | 5/7/2024 3:06 PM | 30.5 | 1.20 | 0.65 | 1.70 | -0.70 | -36.84% | 13 | 290 | 156.05% |
| RILY240510P00031000 | 5/7/2024 7:25 PM | 31 | 1.40 | 0.90 | 1.50 | -1.13 | -44.66% | 367 | 193 | 138.87% |
| RILY240510P00031500 | 5/7/2024 4:36 PM | 31.5 | 1.60 | 1.10 | 1.90 | -1.20 | -42.86% | 36 | 101 | 144.73% |
| RILY240510P00032000 | 5/7/2024 7:20 PM | 32 | 2.10 | 1.40 | 2.60 | -0.80 | -27.59% | 54 | 343 | 165.53% |
| RILY240510P00032500 | 5/6/2024 7:06 PM | 32.5 | 3.55 | 1.70 | 3.10 | 0.00 | 0.00% | 39 | 219 | 175.78% |
| RILY240510P00033000 | 5/7/2024 6:31 PM | 33 | 3.10 | 1.85 | 3.50 | -0.95 | -23.46% | 2 | 110 | 173.44% |
| RILY240510P00033500 | 5/6/2024 7:05 PM | 33.5 | 4.35 | 2.20 | 3.80 | 0.00 | 0.00% | 11 | 43 | 173.83% |
| RILY240510P00034000 | 5/6/2024 5:00 PM | 34 | 4.90 | 2.60 | 4.20 | 0.00 | 0.00% | 10 | 188 | 179.69% |
| RILY240510P00034500 | 5/3/2024 5:58 PM | 34.5 | 5.40 | 3.10 | 4.30 | 0.00 | 0.00% | 21 | 607 | 174.80% |
| RILY240510P00035000 | 5/6/2024 7:04 PM | 35 | 5.63 | 3.30 | 5.20 | 0.00 | 0.00% | 15 | 160 | 192.58% |
| RILY240510P00036000 | 5/3/2024 5:24 PM | 36 | 5.88 | 4.20 | 6.00 | 0.00 | 0.00% | 4 | 21 | 201.76% |
| RILY240510P00037000 | 5/7/2024 7:37 PM | 37 | 5.85 | 5.10 | 6.90 | -1.65 | -22.00% | 5 | 26 | 212.89% |
| RILY240510P00037500 | 5/3/2024 6:07 PM | 37.5 | 8.26 | 5.50 | 7.30 | 0.00 | 0.00% | 3 | 3 | 211.72% |
| RILY240510P00038000 | 5/7/2024 4:20 PM | 38 | 7.42 | 6.00 | 7.80 | -1.31 | -15.01% | 1 | 16 | 221.48% |
| RILY240510P00039000 | 5/3/2024 2:28 PM | 39 | 8.00 | 6.90 | 8.30 | 0.00 | 0.00% | 4 | 17 | 200.39% |
| RILY240510P00040000 | 5/2/2024 6:04 PM | 40 | 7.25 | 7.90 | 9.80 | 0.00 | 0.00% | 20 | 35 | 251.37% |
| RILY240510P00041000 | 5/7/2024 2:39 PM | 41 | 10.44 | 8.80 | 10.90 | 0.41 | 4.09% | 1 | 26 | 267.97% |
| RILY240510P00043000 | 4/30/2024 3:12 PM | 43 | 9.90 | 10.70 | 12.80 | 0.00 | 0.00% | - | 3 | 284.77% |
| RILY240510P00044000 | 4/30/2024 2:38 PM | 44 | 11.60 | 11.80 | 14.00 | 0.00 | 0.00% | - | 2 | 320.70% |
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