| OAK-A | Oaktree Cap Group Llc [Oak/Pa] | 21.98 | 21.60 | 21.81 | 4.4K | 0.28 | | 1.30 | |
| OAK-B | Brookfield Oaktree Holdings Llc [Oak/Pb] | 21.67 | 21.50 | 21.50 | 700 | -0.10 | | 0.46 | |
| OHI | Omega Healthcare Investors | 46.20 | 45.54 | 46.20 | 545.5K | 0.10 | | 0.22 | |
| OIA | Invesco Muni Income Trust | 6.030 | 5.980 | 6.020 | 64.7K | 0.030 | | 0.50 | |
| OII | Oceaneering International | 24.65 | 24.35 | 24.40 | 160.3K | -0.06 | | 0.25 | |
| OPP | Doubleline Strategic Opportunity Fund | 8.037 | 7.990 | 8.030 | 102.4K | 0.065 | | 0.82 | |
| OPP-B | Rivernorth/Doubleline Strategic | 19.01 | 18.86 | 18.86 | 1.4K | -0.12 | | 0.61 | |
| ORC | Orchid Island Capital Inc | 7.330 | 7.190 | 7.200 | 5.37M | -0.060 | | 0.82 | |
| ORI | Old Republic International Corp | 46.59 | 46.02 | 46.10 | 484.2K | -0.31 | | 0.67 | |
| OSG | Overseas Shipholding Group Inc | 9.130 | 8.750 | 8.990 | 386.4K | -0.020 | | 0.22 | |
| OTF | Blue Owl Technology Finance Corp | 14.21 | 13.53 | 14.03 | 1.53M | 0.24 | | 1.76 | |
| OXY | Occidental Petroleum Corp | 42.33 | 41.38 | 41.95 | 3.44M | 0.58 | | 1.40 | |
| OXY.W | Occidental Petroleum Corp WT [Oxy/W/I] | 20.31 | 19.84 | 20.01 | 53.1K | 0.63 | | 3.25 | |