| North America |
|---|
| BATS |
| NASDAQ OMX BX (BEX) |
| BATS BYX |
| Chicago Board Options Exchange (CBOE) |
| Direct Edge |
| Bats EDGX Options Exchange |
| GEMINI |
| IEX |
| ISE Options Exchange |
| INET (Island) |
| ISE Mercury |
| NASDAQ |
| NASDAQ OMX PSX (PSX) |
| Tradeweb |
| Tradeweb for US Government Securities |
