| OAP3 | Octopus Apollo Vct PLC | 41.00 | 41.00 | 45.70 | 31.4K | 0.00 | | 0.00 | |
| OAUE | UBS Etf (Ch) - Gold (Usd) A-Dis | 125.6 | 125.6 | 125.6 | 1.5K | 0.0 | | 0.00 | |
| OBD | Oxford Biodynamics Plc | 0.1250 | 0.1200 | 0.1200 | 1.89M | 0.0000 | | 0.00 | |
| OBI | Ondine Biomedical Inc | 12.50 | 12.00 | 12.50 | 70.5K | 0.25 | | 2.04 | |
| OCDO | Ocado Group Plc | 241.1 | 232.2 | 237.4 | 293.78M | 5.2 | | 2.22 | |
| OCI | Oakley Capital Investments Limited | 528.0 | 518.0 | 518.0 | 56.9K | -2.0 | | 0.38 | |
| OCTF | First Trust Global Funds Icav | 2,153 | 2,152 | 2,184 | 300 | -9 | | 0.41 | |
| OE08 | Bank Of Montreal | 100.4 | 100.4 | 100.4 | 1.0M | 0.0 | | 0.00 | |
| OE61 | The Kingdom Of Morocco | 104.6 | 104.6 | 104.6 | 0 | 0.0 | | 0.00 | |
| OFG | Octopus Future Generations Vct PLC | 77.00 | 77.00 | 77.00 | 0 | 0.00 | | 0.00 | |
| OGDC | Oil And Gas Development Company Limited | 8.050 | 8.050 | 8.050 | 1.3K | 0.000 | | 0.00 | |
| OGG9 | Gold Bullion Securities | 358.8 | 358.8 | 358.8 | 323 | 22.2 | | 6.59 | |
| OGLD | Deutsche Boerse Commodities Gmbh | 125.6 | 125.6 | 125.6 | 6.4K | 3.5 | | 2.90 | |
| OGN | Origin Enterprises Plc | 389.6 | 382.5 | 389.6 | 1.3K | 0.0 | | 0.00 | |
| OGOL | Global X Metal Securities | 56.35 | 56.35 | 56.35 | 6 | -1.35 | | 2.34 | |
| OGZU | Wisdomtree Metal Securities Limited | 375.9 | 372.9 | 375.0 | 732 | 22.8 | | 6.48 | |
| OHGR | One Health Group Plc | 293.0 | 291.5 | 292.8 | 6.1K | 0.0 | | 0.00 | |
| OI20 | Kingdom Of Saudi Arabia (The) | 102.5 | 102.5 | 102.5 | 0 | 0.0 | | 0.00 | |
| OIG | Oryx International Growth Fund Ltd | 1,337 | 1,294 | 1,334 | 4.2K | -3 | | 0.19 | |
| OIGB | Vaneck Oil Services Ucits ETF | 25.17 | 24.53 | 24.64 | 9.3K | -0.34 | | 1.37 | |
| OIH | Orascom Investment Holding S.A.E | 0.0150 | 0.0140 | 0.0140 | 1.8K | 0.0000 | | 0.00 | |
| OIHV | Vaneck Oil Services Ucits ETF | 33.97 | 33.62 | 33.62 | 17.5K | -0.45 | | 1.32 | |
| OIL | Onyx Etc Securities Public Limited | 199.6 | 199.6 | 210.5 | 2 | 2.4 | | 1.22 | |
| OIL2 | Wisdomtree WTI Crude Oil 2X Daily Lev | 1,644 | 1,621 | 1,636 | 246.3K | 12 | | 0.75 | |
| OIL3 | UBS AG | 112.2 | 109.7 | 142.5 | 128 | 0.6 | | 0.47 | |
| OILG | UBS AG | 11,295 | 11,295 | 11,248 | 1 | 40 | | 0.37 | |
| OILU | UBS AG | 164.9 | 164.9 | 184.8 | 79 | 0.3 | | 0.14 | |
| OIP9 | Shell International Finance B.V | 97.56 | 97.56 | 97.56 | 0 | 0.00 | | 0.00 | |
| OIT | Odyssean Investment Trust Plc | 229.0 | 226.4 | 228.0 | 112.4K | -2.0 | | 0.87 | |
| OKL3 | Ls 3X Long Oklo Etp | 0.9650 | 0.9490 | 0.9490 | 15.4K | 0.0250 | | 2.71 | |
| OM9S | Yorkshire Water Finance PLC | 78.72 | 78.72 | 78.72 | 0 | 0.00 | | 0.00 | |
| OMG | Oxford Metrics Plc | 40.40 | 39.00 | 39.80 | 681.8K | 0.00 | | 0.00 | |
| OMI | Orosur Mining Inc | 17.70 | 16.50 | 16.75 | 3.42M | -0.05 | | 0.30 | |
| OMIP | One Media Ip Group Plc | 4.650 | 4.300 | 4.300 | 240.0K | 0.000 | | 0.00 | |
| OMU | Old Mutual Limited | 58.80 | 57.80 | 57.80 | 209.1K | -0.20 | | 0.34 | |
| OMXS | Ishares Omx Stockholm Capped Ucits ETF | 854.0 | 846.0 | 854.0 | 12.1K | 12.6 | | 1.50 | |
| ONDO | Ondo Insurtech Plc | 7.550 | 7.000 | 7.200 | 2.53M | -0.150 | | 2.04 | |
| ONT | Oxford Nanopore Technologies Plc | 170.0 | 157.2 | 170.0 | 7.84M | 5.5 | | 3.34 | |
| ONWD | Onward Opportunities Limited | 138.8 | 137.0 | 138.0 | 22.5K | 1.0 | | 0.73 | |
| OOA | Octopus Aim Vct PLC | 37.10 | 37.10 | 37.60 | 114.3K | 0.00 | | 0.00 | |
| OPEN | Ish Re Incl / Diversity ETF | 12.40 | 12.40 | 12.40 | 0 | 0.01 | | 0.08 | |
| OPT | Optima Health Plc | 238.5 | 237.0 | 238.5 | 57.4K | 0.0 | | 0.00 | |
| OPTI | Optibiotix Health Plc | 5.638 | 5.500 | 5.638 | 95.8K | 0.000 | | 0.00 | |
| OQ12 | Standard Chartered PLC | 91.29 | 91.29 | 91.29 | 0 | 0.00 | | 0.00 | |
| ORC1 | Orchard Bond Finance PLC | 95.85 | 95.85 | 96.85 | 0 | 0.00 | | 0.00 | |
| ORC3 | Ls 3X Long Oracle [Orcl] Etp | 4.600 | 4.515 | 4.515 | 14.8K | 0.419 | | 10.23 | |
| ORCA | Orcadian Energy Plc | 14.50 | 13.73 | 13.73 | 74.0K | 0.00 | | 0.00 | |
| ORCH | Orchard Funding Group Plc | 63.00 | 60.85 | 63.00 | 45.7K | 0.00 | | 0.00 | |
| ORCP | Oracle Power Plc | 0.0490 | 0.0450 | 0.0470 | 263.66M | -0.0005 | | 1.06 | |
| ORCY | Leverage Shares Public Limited Company | 6.440 | 6.440 | 6.391 | 45 | 0.178 | | 2.60 | |
| ORIT | Octopus Renewables Infrastructure Trust | 62.30 | 60.20 | 61.10 | 1.51M | -0.40 | | 0.65 | |
| ORNT | Orient Telecoms PLC | 5.000 | 5.000 | 4.500 | 90.0K | 0.000 | | 0.00 | |
| ORR | Oriole Resources Plc | 0.3400 | 0.3100 | 0.3270 | 24.32M | 0.0200 | | 6.45 | |
| OS73 | Toyota Finance Australia Limited | 95.17 | 95.17 | 95.17 | 0 | 0.00 | | 0.00 | |
| OSB | Osb Group Plc | 527.3 | 508.5 | 513.3 | 184.27M | 4.0 | | 0.78 | |
| OSEC | Octopus Aim Vct 2 PLC | 29.80 | 29.80 | 30.20 | 83.1K | 0.00 | | 0.00 | |
| OSX5 | Source Markets Public Limited Company | 62.35 | 61.78 | 62.35 | 100 | -0.67 | | 1.06 | |
| OT06 | Derwent London PLC | 72.10 | 72.10 | 72.10 | 9.6K | 0.00 | | 0.00 | |
| OT1 | Oxford Technology 2 Venture Capital | 17.00 | 17.00 | 19.50 | 5.5K | 0.00 | | 0.00 | |
| OT3 | Oxford Technology 2 Venture Capital | 11.000 | 11.000 | 10.000 | 500 | 0.000 | | 0.00 | |
| OT4 | Oxford Technology 2 Venture Capital | 6.500 | 6.500 | 8.500 | 169 | 0.000 | | 0.00 | |
| OTB | On The Beach Group Plc | 192.4 | 185.4 | 189.4 | 283.6K | 4.0 | | 2.16 | |
| OTES | Hellenic Telecommunications Organization | 11.48 | 11.48 | 11.48 | 0 | -0.42 | | 3.53 | |
| OTPD | Otp Bank PLC | 17.00 | 17.00 | 17.00 | 369 | 0.00 | | 0.00 | |
| OTV2 | Octopus Titan Vct PLC | 19.00 | 19.00 | 17.50 | 142 | 0.00 | | 0.00 | |
| OVCT | Oberon Aim Vct PLC | 18.25 | 18.00 | 19.00 | 56.1K | 0.00 | | 0.00 | |
| OVZA | Wisdomtree Metal Securities Limited | 148.9 | 145.4 | 147.1 | 100 | 4.9 | | 3.44 | |
| OVZB | Wisdomtree Metal Securities Limited | 106.6 | 104.1 | 104.1 | 100 | 0.0 | | 0.00 | |
| OVZC | Wisdomtree Metal Securities Limited | 54.41 | 53.50 | 54.21 | 18.6K | 3.24 | | 6.37 | |
| OXA1 | Db Etc PLC | 246.9 | 246.6 | 246.7 | 457 | 1.2 | | 0.50 | |
| OXA2 | Db Etc PLC | 352.1 | 352.1 | 352.1 | 1 | 16.2 | | 4.83 | |
| OXA5 | Db Etc PLC | 360.2 | 360.2 | 340.0 | 31 | 11.1 | | 3.26 | |
| OXA6 | Db Etc PLC | 497.8 | 497.8 | 497.8 | 65 | -26.6 | | 5.08 | |
| OXB | Oxford Biomedica Plc | 527.0 | 506.0 | 522.7 | 18.11M | 19.0 | | 3.75 | |
| OXH | Oxford Technology 2 Venture Capital | 10.000 | 10.000 | 8.500 | 22.3K | 0.000 | | 0.00 | |
| OXIG | Oxford Instruments Plc | 2,856 | 2,766 | 2,846 | 32.44M | 76 | | 2.74 | |
| OZ76 | Nationwide Building Society | 98.25 | 98.25 | 98.25 | 578.0K | 0.00 | | 0.00 | |