| Q | Quintiles Transitional Holdings | 162.5 | 154.5 | 157.1 | 588.4K | -7.0 | | 4.27 | |
| QLE.U | Quantum Leap Acquisition Corp Units | 10.009 | 10.000 | 10.000 | 1.5K | -0.005 | | 0.05 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.09 | 10.06 | 10.09 | 1.1K | 0.02 | | 0.20 | |
| QRED | Quasaredge Acquisition Corp | 9.910 | 9.900 | 9.910 | 574.7K | 0.010 | | 0.10 | |
| 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 | |