| OAK-A | Oaktree Cap Group Llc [Oak/Pa] | 21.20 | 20.82 | 21.03 | 8.5K | -0.16 | | 0.76 | |
| OAK-B | Brookfield Oaktree Holdings Llc [Oak/Pb] | 20.98 | 20.87 | 20.98 | 135.0K | 0.01 | | 0.02 | |
| OHI | Omega Healthcare Investors | 44.16 | 43.70 | 43.96 | 1.14M | 0.24 | | 0.55 | |
| OIA | Invesco Muni Income Trust | 6.150 | 6.061 | 6.093 | 115.2K | -0.050 | | 0.81 | |
| OII | Oceaneering International | 26.84 | 26.01 | 26.04 | 241.2K | -0.60 | | 2.25 | |
| OPP | Doubleline Strategic Opportunity Fund | 8.000 | 7.900 | 7.920 | 241.1K | -0.040 | | 0.50 | |
| OPP-A | Rivernorth/Doubleline Strategic | 17.13 | 16.92 | 17.04 | 4.6K | -0.09 | | 0.53 | |
| OPP-B | Rivernorth/Doubleline Strategic | 18.88 | 18.67 | 18.67 | 600 | -0.15 | | 0.77 | |
| ORC | Orchid Island Capital Inc | 7.220 | 7.110 | 7.130 | 3.06M | 0.030 | | 0.42 | |
| ORI | Old Republic International Corp | 45.50 | 44.69 | 45.29 | 745.2K | 0.83 | | 1.87 | |
| OSG | Overseas Shipholding Group Inc | 8.490 | 8.300 | 8.310 | 238.3K | -0.040 | | 0.48 | |
| OTF | Blue Owl Technology Finance Corp | 14.39 | 14.11 | 14.17 | 1.39M | -0.05 | | 0.35 | |
| OXY | Occidental Petroleum Corp | 41.52 | 40.91 | 41.07 | 4.71M | -0.13 | | 0.32 | |
| OXY.W | Occidental Petroleum Corp WT [Oxy/W/I] | 19.53 | 19.02 | 19.25 | 16.8K | -0.03 | | 0.16 | |