| OAK-A | Oaktree Cap Group Llc [Oak/Pa] | 21.34 | 20.76 | 21.04 | 5.6K | 0.22 | | 1.06 | |
| OAK-B | Brookfield Oaktree Holdings Llc [Oak/Pb] | 20.92 | 20.53 | 20.92 | 5.9K | 0.06 | | 0.26 | |
| OHI | Omega Healthcare Investors | 46.92 | 46.35 | 46.81 | 1.02M | 0.24 | | 0.52 | |
| OIA | Invesco Muni Income Trust | 6.172 | 6.080 | 6.150 | 175.4K | 0.010 | | 0.16 | |
| OII | Oceaneering International | 39.06 | 35.50 | 37.44 | 1.68M | 0.72 | | 1.96 | |
| OPP | Doubleline Strategic Opportunity Fund | 7.930 | 7.840 | 7.860 | 118.2K | 0.010 | | 0.13 | |
| OPP-A | Rivernorth/Doubleline Strategic | 16.82 | 16.78 | 16.82 | 10.1K | 0.02 | | 0.12 | |
| OPP-B | Rivernorth/Doubleline Strategic | 18.62 | 18.46 | 18.52 | 2.4K | 0.07 | | 0.38 | |
| OPTU | Optimum Communications Inc | 1.695 | 1.530 | 1.670 | 5.53M | 0.140 | | 9.15 | |
| ORC | Orchid Island Capital Inc | 7.080 | 6.800 | 7.030 | 7.9M | 0.240 | | 3.53 | |
| ORI | Old Republic International Corp | 42.75 | 41.44 | 42.57 | 429.2K | 0.98 | | 2.36 | |
| OSG | Overseas Shipholding Group Inc | 4.980 | 4.775 | 4.850 | 553.9K | -0.010 | | 0.21 | |
| OTF | Blue Owl Technology Finance Corp | 12.36 | 12.08 | 12.16 | 1.04M | 0.09 | | 0.75 | |
| OXY | Occidental Petroleum Corp | 56.99 | 51.96 | 53.78 | 17.78M | -3.08 | | 5.42 | |
| OXY.W | Occidental Petroleum Corp WT [Oxy/W/I] | 32.05 | 30.03 | 31.99 | 163.6K | -2.83 | | 8.12 | |