| Q | Quintiles Transitional Holdings | 168.5 | 153.2 | 168.5 | 2.49M | 15.1 | | 9.87 | |
| QLE.U | Quantum Leap Acquisition Corp Units | 10.010 | 10.000 | 10.000 | 13.0K | -0.010 | | 0.10 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.09 | 10.06 | 10.09 | 1.1K | 0.02 | | 0.20 | |
| QSR | Restaurant Brands International | 79.02 | 77.12 | 78.30 | 3.29M | 0.07 | | 0.09 | |
| 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 | |