| OAK-A | Oaktree Cap Group Llc [Oak/Pa] | 21.15 | 20.50 | 20.75 | 8.8K | -0.05 | | 0.24 | |
| OAK-B | Brookfield Oaktree Holdings Llc [Oak/Pb] | 20.72 | 20.35 | 20.46 | 10.2K | -0.13 | | 0.63 | |
| OHI | Omega Healthcare Investors | 46.25 | 46.25 | 46.25 | 1.7K | 0.04 | | 0.08 | |
| OIA | Invesco Muni Income Trust | 6.230 | 6.050 | 6.072 | 117.0K | -0.050 | | 0.82 | |
| OII | Oceaneering International | 37.36 | 37.36 | 37.36 | 404 | 0.01 | | 0.03 | |
| ONT | Montrose Environmental Group Inc | 21.67 | 20.73 | 21.33 | 350.0K | -0.81 | | 3.66 | |
| OPP | Doubleline Strategic Opportunity Fund | 7.880 | 7.815 | 7.840 | 83.4K | -0.020 | | 0.25 | |
| OPP-A | Rivernorth/Doubleline Strategic | 16.66 | 16.56 | 16.59 | 4.7K | -0.05 | | 0.28 | |
| OPP-B | Rivernorth/Doubleline Strategic | 18.20 | 18.12 | 18.18 | 2.6K | -0.02 | | 0.11 | |
| ORC | Orchid Island Capital Inc | 6.990 | 6.950 | 6.950 | 5.7K | 0.025 | | 0.36 | |
| ORI | Old Republic International Corp | 39.34 | 38.31 | 38.48 | 564.8K | -0.77 | | 1.96 | |
| OSG | Overseas Shipholding Group Inc | 4.430 | 4.165 | 4.240 | 221.5K | -0.140 | | 3.20 | |
| OTF | Blue Owl Technology Finance Corp | 11.60 | 11.55 | 11.60 | 1.8K | 0.14 | | 1.22 | |
| OXY | Occidental Petroleum Corp | 60.40 | 59.90 | 60.00 | 69.4K | -0.28 | | 0.46 | |
| OXY.W | Occidental Petroleum Corp WT [Oxy/W/I] | 38.38 | 36.85 | 38.38 | 69.8K | 1.76 | | 4.81 | |