Formerly PRO SECURITIES – PRO SECURITIES, L.L.C.
All OTC Securities 
| Year | Q | Total Trades | Total Shares | Avg Trade Size |
|---|---|---|---|---|
| 2020 | 4 | 3,610 | 724,767 | 201 |
| 2020 | 3 | 15,682 | 4,159,082 | 265 |
| 2020 | 2 | 2,341 | 1,080,847 | 462 |
| 2020 | 1 | 11 | 92 | 8 |
| 2019 | 4 | 11 | 34 | 3 |
| 2019 | 3 | 8 | 22 | 3 |
| 2017 | 4 | 3 | 300 | 100 |
| 2017 | 2 | 1 | 1 | 1 |
| 2017 | 1 | 7 | 1,083 | 155 |
| 2016 | 4 | 2 | 988 | 494 |
Tier 1 Securities
| Year | Q | Total Trades | Total Shares | Avg Trade Size |
|---|---|---|---|---|
| 2020 | 4 | 22,135 | 2,722,440 | 123 |
| 2020 | 3 | 45,800 | 5,022,129 | 110 |
| 2020 | 2 | 73,549 | 11,772,820 | 160 |
| 2020 | 1 | 61,097 | 15,763,575 | 258 |
| 2019 | 4 | 8,028 | 3,457,276 | 431 |
| 2019 | 3 | 5,321 | 3,387,545 | 637 |
| 2019 | 2 | 4,537 | 2,949,761 | 650 |
| 2019 | 1 | 4,070 | 2,944,073 | 723 |
| 2018 | 4 | 5,732 | 3,402,432 | 594 |
| 2018 | 3 | 3,376 | 2,532,752 | 750 |
| 2018 | 2 | 4,942 | 2,584,528 | 523 |
| 2018 | 1 | 4,799 | 2,196,731 | 458 |
| 2017 | 4 | 26 | 2,600 | 100 |
| 2016 | 2 | 7 | 10,900 | 1,557 |
| 2016 | 1 | 26 | 90,800 | 3,492 |
| 2015 | 4 | 21 | 74,500 | 3,548 |
| 2015 | 3 | 28 | 92,600 | 3,307 |
| 2015 | 2 | 36 | 60,700 | 1,686 |
| 2015 | 1 | 32 | 161,000 | 5,031 |
| 2014 | 4 | 51 | 137,200 | 2,690 |
Tier 2 Securities
| Year | Q | Total Trades | Total Shares | Avg Trade Size |
|---|---|---|---|---|
| 2020 | 4 | 321 | 80,385 | 250 |
| 2020 | 3 | 561 | 137,831 | 246 |
| 2020 | 2 | 640 | 158,807 | 248 |
| 2020 | 1 | 186 | 51,766 | 278 |
| 2016 | 2 | 1 | 500 | 500 |
NMS Securities
| Year | Q | Total Trades | Total Shares | Avg Trade Size |
|---|---|---|---|---|
| 2020 | 4 | 22,456 | 2,802,825 | 125 |
| 2020 | 3 | 46,361 | 5,159,960 | 111 |
| 2020 | 2 | 74,189 | 11,931,627 | 161 |
| 2020 | 1 | 61,283 | 15,815,341 | 258 |
| 2019 | 4 | 8,028 | 3,457,276 | 431 |
| 2019 | 3 | 5,321 | 3,387,545 | 637 |
| 2019 | 2 | 4,537 | 2,949,761 | 650 |
| 2019 | 1 | 4,070 | 2,944,073 | 723 |
| 2018 | 4 | 5,732 | 3,402,432 | 594 |
| 2018 | 3 | 3,376 | 2,532,752 | 750 |
| 2018 | 2 | 4,942 | 2,584,528 | 523 |
| 2018 | 1 | 4,799 | 2,196,731 | 458 |
| 2017 | 4 | 26 | 2,600 | 100 |
| 2016 | 2 | 8 | 11,400 | 1,425 |
| 2016 | 1 | 26 | 90,800 | 3,492 |
| 2015 | 4 | 21 | 74,500 | 3,548 |
| 2015 | 3 | 28 | 92,600 | 3,307 |
| 2015 | 2 | 36 | 60,700 | 1,686 |
| 2015 | 1 | 32 | 161,000 | 5,031 |
| 2014 | 4 | 51 | 137,200 | 2,690 |
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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