All OTC Securities 
| Year | Q | Total Trades | Total Shares | Avg Trade Size |
|---|---|---|---|---|
| 2020 | 3 | 33 | 52,199 | 1,582 |
| 2020 | 2 | 33 | 53,407 | 1,618 |
| 2020 | 1 | 57 | 70,193 | 1,231 |
| 2019 | 4 | 29 | 183,785 | 6,337 |
| 2019 | 3 | 31 | 119,929 | 3,869 |
| 2019 | 2 | 43 | 190,484 | 4,430 |
| 2019 | 1 | 53 | 20,139 | 380 |
| 2018 | 4 | 36 | 38,691 | 1,075 |
| 2018 | 3 | 32 | 115,885 | 3,621 |
| 2018 | 2 | 96 | 217,468 | 2,265 |
| 2018 | 1 | 119 | 299,851 | 2,520 |
| 2017 | 4 | 65 | 58,137 | 894 |
| 2017 | 3 | 61 | 217,989 | 3,574 |
| 2017 | 2 | 134 | 155,714 | 1,162 |
| 2017 | 1 | 120 | 314,087 | 2,617 |
| 2016 | 4 | 62 | 70,873 | 1,143 |
| 2016 | 3 | 56 | 423,672 | 7,566 |
| 2016 | 2 | 26 | 38,370 | 1,476 |
| 2016 | 1 | 82 | 108,719 | 1,326 |
| 2015 | 4 | 54 | 219,242 | 4,060 |
| 2015 | 3 | 30 | 48,578 | 1,619 |
| 2015 | 2 | 86 | 204,552 | 2,379 |
| 2015 | 1 | 120 | 117,495 | 979 |
| 2014 | 4 | 126 | 608,053 | 4,826 |
| 2014 | 3 | 113 | 683,241 | 6,046 |
| 2014 | 2 | 63 | 220,175 | 3,495 |
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.
See Limitup-limit-down for a more detailed explanation of these categories.
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