| OAK-A | Oaktree Cap Group Llc [Oak/Pa] | 21.64 | 21.40 | 21.43 | 4.9K | -0.09 | | 0.40 | |
| OAK-B | Brookfield Oaktree Holdings Llc [Oak/Pb] | 21.43 | 21.20 | 21.23 | 5.0K | -0.05 | | 0.21 | |
| OCFT | Oneconnect Financial Technology Ltd | 7.910 | 7.870 | 7.890 | 122.4K | 0.010 | | 0.13 | |
| OHI | Omega Healthcare Investors | 45.05 | 44.20 | 44.89 | 382.5K | 0.31 | | 0.68 | |
| OIA | Invesco Muni Income Trust | 6.010 | 5.940 | 5.975 | 64.5K | -0.015 | | 0.25 | |
| OII | Oceaneering International | 24.09 | 23.17 | 24.00 | 160.3K | 0.61 | | 2.59 | |
| OPP | Doubleline Strategic Opportunity Fund | 8.010 | 7.940 | 7.973 | 57.1K | 0.023 | | 0.29 | |
| OPP-A | Rivernorth/Doubleline Strategic | 17.01 | 16.85 | 16.96 | 2.2K | 0.05 | | 0.30 | |
| OPP-B | Rivernorth/Doubleline Strategic | 18.85 | 18.72 | 18.76 | 1.7K | -0.11 | | 0.58 | |
| ORC | Orchid Island Capital Inc | 7.220 | 7.080 | 7.205 | 2.99M | 0.120 | | 1.69 | |
| ORI | Old Republic International Corp | 46.08 | 45.14 | 45.99 | 427.8K | 0.90 | | 2.00 | |
| OSG | Overseas Shipholding Group Inc | 9.020 | 8.500 | 8.970 | 203.7K | 0.270 | | 3.10 | |
| OTF | Blue Owl Technology Finance Corp | 13.43 | 13.05 | 13.41 | 225.1K | 0.29 | | 2.21 | |
| OXY | Occidental Petroleum Corp | 41.53 | 40.40 | 41.42 | 3.21M | 0.21 | | 0.51 | |
| OXY.W | Occidental Petroleum Corp WT [Oxy/W/I] | 20.56 | 19.19 | 19.19 | 143.2K | -0.31 | | 1.59 | |