All OTC Securities 
| Year | Q | Total Trades | Total Shares | Avg Trade Size |
|---|---|---|---|---|
| 2020 | 4 | 11 | 97,505 | 8,864 |
| 2020 | 3 | 31 | 441,451 | 14,240 |
| 2020 | 2 | 18 | 159,046 | 8,836 |
| 2020 | 1 | 39 | 328,046 | 8,411 |
| 2019 | 4 | 51 | 1,380,320 | 27,065 |
| 2019 | 3 | 35 | 1,482,439 | 42,355 |
| 2019 | 2 | 68 | 1,154,687 | 16,981 |
| 2019 | 1 | 35 | 261,000 | 7,457 |
| 2018 | 4 | 30 | 355,040 | 11,835 |
| 2018 | 3 | 66 | 1,031,311 | 15,626 |
| 2018 | 2 | 56 | 582,602 | 10,404 |
| 2018 | 1 | 33 | 222,006 | 6,727 |
| 2017 | 4 | 60 | 443,899 | 7,398 |
| 2017 | 3 | 58 | 665,946 | 11,482 |
| 2017 | 2 | 53 | 748,790 | 14,128 |
| 2017 | 1 | 88 | 779,317 | 8,856 |
| 2016 | 4 | 25 | 183,683 | 7,347 |
| 2016 | 3 | 38 | 686,276 | 18,060 |
| 2016 | 2 | 26 | 222,300 | 8,550 |
Original Source of Information: FINRA ATS Transparency Data Quarterly Statistics
ATS data has been aggregated on a quarterly basis to display total shares, total trades and average trade size per ATS.
Tier 1 comprises all securities in the S&P 500, the Russell 1000 and select Exchange Traded Products (ETPs). Tier 2 comprises all other NMS securities, except for rights and warrants, which are specifically excluded from coverage. The LULD Plan applies during regular trading hours of 9:30 am ET – 4:00 pm ET, excepting opening, reopening, and closing transactions on the primary listing exchanges.
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