| OAK-A | Oaktree Cap Group Llc [Oak/Pa] | 20.64 | 20.31 | 20.60 | 10.2K | 0.26 | | 1.27 | |
| OAK-B | Brookfield Oaktree Holdings Llc [Oak/Pb] | 20.69 | 20.27 | 20.46 | 9.5K | 0.14 | | 0.66 | |
| OHI | Omega Healthcare Investors | 45.21 | 44.50 | 44.85 | 2.4K | -0.57 | | 1.25 | |
| OII | Oceaneering International | 37.15 | 37.15 | 37.15 | 100 | -0.28 | | 0.75 | |
| OPP | Doubleline Strategic Opportunity Fund | 7.830 | 7.710 | 7.800 | 125.9K | 0.060 | | 0.78 | |
| OPP-A | Rivernorth/Doubleline Strategic | 16.92 | 16.66 | 16.88 | 1.2K | 0.17 | | 0.99 | |
| OPP-B | Rivernorth/Doubleline Strategic | 18.66 | 18.38 | 18.65 | 2.2K | 0.03 | | 0.16 | |
| OPTU | Optimum Communications Inc | 1.410 | 1.310 | 1.395 | 2.82M | 0.080 | | 6.06 | |
| ORC | Orchid Island Capital Inc | 7.220 | 7.180 | 7.200 | 924 | 0.010 | | 0.13 | |
| ORI | Old Republic International Corp | 41.50 | 40.69 | 41.49 | 479.9K | 0.63 | | 1.54 | |
| OSG | Overseas Shipholding Group Inc | 4.000 | 3.990 | 3.990 | 596 | -0.200 | | 4.77 | |
| OTF | Blue Owl Technology Finance Corp | 11.65 | 11.25 | 11.62 | 1.05M | 0.26 | | 2.29 | |
| OXY | Occidental Petroleum Corp | 57.85 | 57.35 | 57.60 | 62.6K | -0.46 | | 0.79 | |
| OXY.W | Occidental Petroleum Corp WT [Oxy/W/I] | 37.12 | 35.47 | 36.02 | 79.7K | -0.01 | | 0.03 | |