Ceased in 2015
See also: FINRA Broker Check
Tier 1 Securities 
| Year | Q | Total Trades | Total Shares | Avg Trade Size |
|---|---|---|---|---|
| 2014 | 4 | 5,675 | 335,107 | 59 |
| 2014 | 3 | 33,709 | 2,243,986 | 67 |
| 2014 | 2 | 24,353 | 1,480,927 | 61 |
Tier 2 Securities
| Year | Q | Total Trades | Total Shares | Avg Trade Size |
|---|---|---|---|---|
| 2014 | 4 | 1,494 | 29,227 | 20 |
| 2014 | 3 | 8,581 | 148,041 | 17 |
| 2014 | 2 | 6,706 | 94,629 | 14 |
NMS Securities
| Year | Q | Total Trades | Total Shares | Avg Trade Size |
|---|---|---|---|---|
| 2014 | 4 | 7,169 | 364,334 | 51 |
| 2014 | 3 | 42,290 | 2,392,027 | 57 |
| 2014 | 2 | 31,059 | 1,575,556 | 51 |
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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