| OAK-A | Oaktree Cap Group Llc [Oak/Pa] | 21.48 | 21.32 | 21.32 | 6.0K | -0.11 | | 0.53 | |
| OAK-B | Brookfield Oaktree Holdings Llc [Oak/Pb] | 21.30 | 21.01 | 21.19 | 6.1K | -0.04 | | 0.19 | |
| OCFT | Oneconnect Financial Technology Ltd | 7.910 | 7.870 | 7.890 | 122.4K | 0.010 | | 0.13 | |
| OHI | Omega Healthcare Investors | 45.19 | 44.20 | 45.04 | 2.43M | 0.45 | | 1.01 | |
| OIA | Invesco Muni Income Trust | 6.010 | 5.940 | 5.980 | 172.1K | -0.010 | | 0.17 | |
| OII | Oceaneering International | 24.26 | 23.17 | 24.15 | 674.8K | 0.77 | | 3.29 | |
| OPP | Doubleline Strategic Opportunity Fund | 8.010 | 7.940 | 7.990 | 103.1K | 0.040 | | 0.50 | |
| OPP-A | Rivernorth/Doubleline Strategic | 16.99 | 16.89 | 16.98 | 5.9K | 0.02 | | 0.12 | |
| OPP-B | Rivernorth/Doubleline Strategic | 18.94 | 18.75 | 18.86 | 2.3K | 0.10 | | 0.53 | |
| ORC | Orchid Island Capital Inc | 7.250 | 7.090 | 7.200 | 5.78M | 0.120 | | 1.69 | |
| ORI | Old Republic International Corp | 46.35 | 45.14 | 45.83 | 2.7M | 0.75 | | 1.66 | |
| OSG | Overseas Shipholding Group Inc | 9.050 | 8.500 | 8.980 | 985.0K | 0.290 | | 3.34 | |
| OTF | Blue Owl Technology Finance Corp | 13.52 | 13.05 | 13.41 | 744.4K | 0.27 | | 2.05 | |
| OXY | Occidental Petroleum Corp | 41.54 | 40.40 | 41.44 | 9.21M | 0.23 | | 0.56 | |
| OXY.W | Occidental Petroleum Corp WT [Oxy/W/I] | 19.52 | 18.53 | 19.52 | 49.7K | 0.33 | | 1.72 | |