| OAK-A | Oaktree Cap Group Llc [Oak/Pa] | 21.27 | 20.82 | 20.82 | 10.1K | -0.58 | | 2.71 | |
| OAK-B | Brookfield Oaktree Holdings Llc [Oak/Pb] | 21.10 | 20.60 | 20.87 | 9.0K | -0.23 | | 1.07 | |
| OHI | Omega Healthcare Investors | 46.89 | 46.35 | 46.89 | 129.7K | 0.31 | | 0.65 | |
| OIA | Invesco Muni Income Trust | 6.165 | 6.140 | 6.160 | 7.6K | 0.030 | | 0.49 | |
| OII | Oceaneering International | 36.75 | 35.50 | 35.71 | 137.6K | -1.03 | | 2.79 | |
| OPP | Doubleline Strategic Opportunity Fund | 7.875 | 7.840 | 7.850 | 10.6K | 0.000 | | 0.00 | |
| OPP-A | Rivernorth/Doubleline Strategic | 16.81 | 16.69 | 16.80 | 10.4K | -0.02 | | 0.12 | |
| OPP-B | Rivernorth/Doubleline Strategic | 18.64 | 18.28 | 18.45 | 4.9K | -0.20 | | 1.07 | |
| OPTU | Optimum Communications Inc | 1.680 | 1.530 | 1.670 | 590.3K | 0.140 | | 9.15 | |
| ORC | Orchid Island Capital Inc | 6.980 | 6.800 | 6.980 | 1.24M | 0.180 | | 2.65 | |
| ORI | Old Republic International Corp | 42.21 | 41.44 | 42.07 | 29.3K | 0.49 | | 1.18 | |
| OSG | Overseas Shipholding Group Inc | 4.895 | 4.860 | 4.895 | 15.6K | 0.035 | | 0.72 | |
| OTF | Blue Owl Technology Finance Corp | 12.34 | 12.10 | 12.20 | 89.2K | 0.13 | | 1.08 | |
| OXY | Occidental Petroleum Corp | 56.99 | 52.81 | 52.99 | 4.52M | -3.88 | | 6.82 | |
| OXY.W | Occidental Petroleum Corp WT [Oxy/W/I] | 35.00 | 33.57 | 34.81 | 44.0K | 1.01 | | 2.99 | |