| Q | Quintiles Transitional Holdings | 149.5 | 149.0 | 149.3 | 872 | -0.1 | | 0.09 | |
| QSR | Restaurant Brands International | 78.00 | 77.00 | 77.00 | 1.8K | -0.20 | | 0.26 | |
| QVCCQ | Qvc Inc 6.250% Senior Secured Notes Due | 10.15 | 10.06 | 10.10 | 8.8K | 0.04 | | 0.40 | |
| QVCDQ | Qvc Inc 6.375% Senior Secured Notes Due | 10.14 | 9.90 | 10.10 | 8.5K | -0.02 | | 0.20 | |