| OAK-A | Oaktree Cap Group Llc [Oak/Pa] | 21.94 | 21.85 | 21.87 | 11.0K | -0.03 | | 0.14 | |
| OAK-B | Brookfield Oaktree Holdings Llc [Oak/Pb] | 21.75 | 21.70 | 21.74 | 4.6K | 0.09 | | 0.42 | |
| OHI | Omega Healthcare Investors | 47.61 | 46.83 | 47.40 | 2.23M | 0.36 | | 0.77 | |
| OII | Oceaneering International | 33.57 | 31.87 | 33.15 | 983.0K | 0.91 | | 2.82 | |
| OPP | Doubleline Strategic Opportunity Fund | 7.980 | 7.900 | 7.940 | 68.0K | -0.030 | | 0.38 | |
| OPP-A | Rivernorth/Doubleline Strategic | 17.09 | 17.03 | 17.09 | 4.0K | -0.01 | | 0.06 | |
| OPP-B | Rivernorth/Doubleline Strategic | 18.85 | 18.55 | 18.62 | 6.1K | 0.04 | | 0.22 | |
| OPTU | Optimum Communications Inc | 1.740 | 1.600 | 1.670 | 2.35M | -0.010 | | 0.60 | |
| ORC | Orchid Island Capital Inc | 7.630 | 7.450 | 7.530 | 6.27M | -0.010 | | 0.13 | |
| ORI | Old Republic International Corp | 42.65 | 42.16 | 42.57 | 1.24M | -0.06 | | 0.14 | |
| OSG | Overseas Shipholding Group Inc | 5.885 | 5.700 | 5.760 | 219.0K | -0.020 | | 0.35 | |
| OTF | Blue Owl Technology Finance Corp | 12.90 | 12.60 | 12.66 | 1.16M | -0.24 | | 1.86 | |
| OXY | Occidental Petroleum Corp | 46.53 | 45.27 | 46.07 | 8.62M | 0.58 | | 1.28 | |
| OXY.W | Occidental Petroleum Corp WT [Oxy/W/I] | 24.50 | 23.18 | 24.06 | 55.2K | 0.58 | | 2.47 | |