| OAK-A | Oaktree Cap Group Llc [Oak/Pa] | 20.86 | 20.44 | 20.62 | 12.2K | 0.12 | | 0.59 | |
| OAK-B | Brookfield Oaktree Holdings Llc [Oak/Pb] | 20.39 | 20.15 | 20.39 | 3.4K | 0.29 | | 1.44 | |
| OCA.U | Omnichannel Acquisition Corp | 10.61 | 10.22 | 10.26 | 3.2K | -0.09 | | 0.87 | |
| OHI | Omega Healthcare Investors | 47.15 | 46.46 | 46.83 | 714.7K | 0.17 | | 0.36 | |
| OIA | Invesco Muni Income Trust | 5.770 | 5.700 | 5.770 | 111.9K | 0.080 | | 1.41 | |
| OII | Oceaneering International | 46.79 | 45.32 | 45.98 | 405.2K | -0.36 | | 0.78 | |
| OPP | Doubleline Strategic Opportunity Fund | 7.150 | 7.080 | 7.100 | 154.5K | -0.030 | | 0.42 | |
| OPP-A | Rivernorth/Doubleline Strategic | 15.29 | 15.23 | 15.26 | 4.2K | -0.01 | | 0.03 | |
| OPP-B | Rivernorth/Doubleline Strategic | 16.59 | 16.38 | 16.55 | 9.2K | 0.07 | | 0.39 | |
| ORC | Orchid Island Capital Inc | 6.120 | 6.050 | 6.070 | 3.15M | 0.040 | | 0.66 | |
| ORI | Old Republic International Corp | 40.20 | 39.21 | 39.22 | 684.4K | -0.73 | | 1.83 | |
| OSG | Overseas Shipholding Group Inc | 4.510 | 4.380 | 4.420 | 187.3K | -0.080 | | 1.78 | |
| OTA.U | Starlink AI Acquisition Corporation | 10.16 | 10.15 | 10.15 | 2.6K | 0.01 | | 0.10 | |
| OTAI | Starlink AI Acquisition Corp. | 10.05 | 9.99 | 10.01 | 4.6K | 0.01 | | 0.10 | |
| OTF | Blue Owl Technology Finance Corp | 10.75 | 10.48 | 10.64 | 1.79M | 0.05 | | 0.47 | |
| OXY | Occidental Petroleum Corp | 58.79 | 57.00 | 57.25 | 4.6M | -1.59 | | 2.70 | |
| OXY.W | Occidental Petroleum Corp WT [Oxy/W/I] | 36.30 | 35.05 | 35.29 | 70.6K | -1.55 | | 4.21 | |