| OAK-A | Oaktree Cap Group Llc [Oak/Pa] | 20.32 | 20.14 | 20.32 | 5.0K | 0.10 | | 0.49 | |
| OCA.W | Omnichannel Acquisition Corp WT | 0.0400 | 0.0358 | 0.0358 | 36.9K | -0.0041 | | 10.28 | |
| OHI | Omega Healthcare Investors | 47.31 | 46.72 | 47.06 | 333.6K | 0.06 | | 0.13 | |
| OIA | Invesco Muni Income Trust | 5.990 | 5.960 | 5.975 | 34.5K | 0.025 | | 0.42 | |
| OII | Oceaneering International | 52.49 | 51.25 | 51.68 | 152.7K | 0.04 | | 0.07 | |
| OPP | Doubleline Strategic Opportunity Fund | 7.480 | 7.410 | 7.421 | 107.4K | -0.004 | | 0.05 | |
| OPP-A | Rivernorth/Doubleline Strategic | 15.48 | 15.37 | 15.41 | 11.9K | 0.05 | | 0.29 | |
| OPP-B | Rivernorth/Doubleline Strategic | 16.81 | 16.65 | 16.65 | 4.9K | 0.01 | | 0.06 | |
| OPTU | Optimum Communications Inc | 1.080 | 1.020 | 1.035 | 704.1K | 0.020 | | 1.97 | |
| ORC | Orchid Island Capital Inc | 6.596 | 6.470 | 6.538 | 1.99M | -0.002 | | 0.03 | |
| ORI | Old Republic International Corp | 43.02 | 42.24 | 42.99 | 191.4K | 0.90 | | 2.13 | |
| OSG | Overseas Shipholding Group Inc | 4.650 | 4.560 | 4.635 | 174.1K | 0.135 | | 3.00 | |
| OTAI | Starlink AI Acquisition Corp. | 10.43 | 9.98 | 10.02 | 1.2K | 0.01 | | 0.14 | |
| OTF | Blue Owl Technology Finance Corp | 11.64 | 11.24 | 11.34 | 1.05M | -0.07 | | 0.57 | |
| OXY | Occidental Petroleum Corp | 61.43 | 60.35 | 60.95 | 2.34M | 0.04 | | 0.06 | |
| OXY.W | Occidental Petroleum Corp WT [Oxy/W/I] | 39.10 | 38.05 | 38.88 | 18.9K | -0.08 | | 0.21 | |