| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OAP3 | Octopus Apollo Vct Plc | 45.40 | 45.40 | 46.50 | 5 | 0.00 |  | 0.00 |   |
| OAUE | | 42.76 | 42.76 | 42.76 | 12,255 | 0.00 | | 0.00 | |
| OAUH | | 10,283 | 10,283 | 10,283 | 272 | 10,283 |  | ∞ | |
| OBD | Oxford Biodynamics Plc | 0.4010 | 0.3500 | 0.4010 | 12,397,967 | 0.0260 | | 6.93 | |
| OBI | | 10.950 | 10.000 | 10.000 | 87,929 | -0.500 |  | 4.76 | |
| OBOR | Starcrest Education The Belt & Road Limi | 50.50 | 50.50 | 50.50 | 0 | 0.00 | | 0.00 | |
| OC16 | | 0.0000 | 0.0000 | 0.0000 | 0 | 0.0000 | | NaN | |
| OCDO | Ocado Group Plc | 263.9 | 250.2 | 255.0 | 1,890,033 | -8.5 | | 3.23 | |
| OCI | Oakley Capital Investments Limited | 500.0 | 496.3 | 500.0 | 151,425 | 3.0 | | 0.60 | |
| OCN | Ocean Wilsons [Holdings] Ld | 1,540 | 1,480 | 1,485 | 15,766 | -35 | | 2.30 | |
| OE08 | | 100.4 | 100.4 | 100.4 | 1,000,000 | 0.0 | | 0.00 | |
| OE61 | | 103.9 | 103.9 | 103.9 | 400,000 | 0.0 | | 0.00 | |
| OFG | | 84.50 | 84.50 | 84.50 | 0 | 0.00 | | 0.00 | |
| OGDC | Oil and Gas Development | 7.800 | 7.800 | 7.800 | 1 | 0.000 | | 0.00 | |
| OGG9 | | 270.8 | 270.8 | 270.8 | 100 | 0.0 | | 0.00 | |
| OGLD | Deutsche Boerse Commodities Gmbh | 96.21 | 94.90 | 95.37 | 548 | 1.36 | | 1.44 | |
| OGN | Origin Enterprises Plc | 3.593 | 3.593 | 3.650 | 74,867 | 0.000 | | 0.00 | |
| OGOL | | 39.20 | 39.20 | 39.20 | 217,408 | 0.00 | | 0.00 | |
| OGZU | ETFS Metal Securities Limited | 284.3 | 282.8 | 284.3 | 0 | 4.5 | | 1.59 | |
| OHGR | One Health Group PLC | 171.6 | 171.6 | 173.5 | 736 | 0.0 | | 0.00 | |
| OHT | Orad Hi-tec Systems Ld Ord Ils 0.01 | 1.2000 | 0.8000 | 1.0000 | 69,277 | 0.0000 | | 0.00 | |
| OI20 | | 103.6 | 103.6 | 103.6 | 800,000 | 0.0 | | 0.00 | |
| OIG | Oryx International Growth Fund Ltd | 1,250 | 1,188 | 1,230 | 6,046 | 25 | | 2.07 | |
| OIGB | | 14.80 | 14.32 | 14.35 | 13,247 | 0.22 | | 1.56 | |
| OIH | Orascom Investment Holding S.A.E | 0.0150 | 0.0140 | 0.0140 | 1,800 | 0.0000 | | 0.00 | |
| OIHV | | 19.96 | 19.51 | 19.83 | 8,765 | 0.67 | | 3.47 | |
| OIL2 | | 906.8 | 838.0 | 852.5 | 5,956,637 | 86.3 | | 11.26 | |
| OIL3 | UBS Ag | 86.17 | 86.17 | 91.47 | 0 | 4.17 | | 4.78 | |
| OILG | UBS Ag | 7,872 | 7,872 | 8,172 | 1 | 267 | | 3.37 | |
| OILU | UBS Ag | 134.0 | 134.0 | 134.0 | 5 | 4.4 | | 3.40 | |
| OIP9 | | 97.30 | 97.30 | 97.30 | 200,000 | 0.00 | | 0.00 | |
| OIT | Odyssean Investment Trust Plc | 164.5 | 156.5 | 158.0 | 185,053 | -4.3 | | 2.62 | |
| OM95 | | 0.0000 | 0.0000 | 0.0000 | 0 | 0.0000 | | NaN | |
| OM9S | | 69.60 | 69.60 | 69.60 | 100,000 | 0.00 | | 0.00 | |
| OMG | Omg Plc | 58.53 | 57.40 | 58.20 | 136,708 | 0.40 | | 0.69 | |
| OMI | Orosur Mining Inc | 9.000 | 8.700 | 9.000 | 661,227 | 0.300 | | 3.45 | |
| OMIP | One Media Ip Group Plc | 3.850 | 3.501 | 3.501 | 100 | -0.349 | | 9.06 | |
| OMU | Old Mutual Ltd | 51.40 | 48.70 | 48.70 | 1,757,653 | -2.70 | | 5.25 | |
| OMXS | Ishares IV Plc | 659.0 | 656.0 | 658.0 | 790 | -9.5 | | 1.42 | |
| ONDO | | 22.50 | 22.13 | 22.50 | 603,324 | 0.25 | | 1.12 | |
| ONT | Online Travel | 123.2 | 118.6 | 120.3 | 1,545,019 | -1.8 | | 1.50 | |
| ONWD | Onward Opportunities Ltd | 128.0 | 127.9 | 126.5 | 8,700 | 0.0 | | 0.00 | |
| OOA | Octopus Aim Vct Plc | 47.00 | 47.00 | 48.20 | 215 | 0.00 | | 0.00 | |
| OPEN | Ishares IV Plc | 9.111 | 9.111 | 9.111 | 2,317 | -0.082 | | 0.89 | |
| OPG | Opg Power Ventures Plc | 5.700 | 5.262 | 5.262 | 909,841 | -0.188 | | 3.45 | |
| OPT | Ocean Power Technologies Inc Com Shs | 208.0 | 196.9 | 196.9 | 74,784 | -7.1 | | 3.47 | |
| OPTI | Optibiotix Health Plc | 13.00 | 12.00 | 12.45 | 300,043 | -0.18 | | 1.43 | |
| OQ12 | | 87.00 | 87.00 | 87.00 | 4,701,000 | 0.00 | | 0.00 | |
| OQ64 | | 0.0000 | 0.0000 | 0.0000 | 0 | 0.0000 | | NaN | |
| ORC1 | | 99.3 | 99.3 | 102.8 | 6,600 | 1.5 | | 1.48 | |
| ORCA | Orca Interact | 11.56 | 11.00 | 11.56 | 110 | 0.56 | | 5.09 | |
| ORCH | Orchard Funding Group Pl | 51.34 | 49.22 | 49.22 | 34,402 | -2.78 | | 5.35 | |
| ORCP | Oracle Coalfields Plc | 0.0170 | 0.0160 | 0.0160 | 150,538,037 | -0.0010 | | 5.88 | |
| ORIT | Octopus Renewables Infrastructure Trust | 75.10 | 73.51 | 74.80 | 1,178,122 | 0.00 | | 0.00 | |
| ORNT | Orient Telecoms Plc | 4.000 | 4.000 | 4.000 | 15,000 | 0.000 | | 0.00 | |
| ORR | Oriole Resources Plc | 0.2500 | 0.2300 | 0.2340 | 45,709,853 | -0.0060 | | 2.50 | |
| OS73 | | 95.00 | 95.00 | 95.00 | 1,000,000 | 0.00 | | 0.00 | |
| OS78 | | 0.0000 | 0.0000 | 0.0000 | 0 | 0.0000 | | NaN | |
| OSB | Onesavings Bank Plc | 497.0 | 491.2 | 495.6 | 439,943 | -5.9 | | 1.18 | |
| OSEC | Octopus Second Aim Vct Plc | 36.20 | 36.20 | 36.40 | 390 | 0.00 | | 0.00 | |
| OSX5 | Source Markets Public Limited Company | 53.76 | 53.76 | 53.76 | 80 | 0.00 | | 0.00 | |
| OT06 | | 72.10 | 72.10 | 72.10 | 9,600 | 0.00 | | 0.00 | |
| OT1 | | 12.00 | 12.00 | 15.20 | 5,000 | 0.00 | | 0.00 | |
| OT3 | | 3.500 | 3.500 | 7.000 | 5,000 | 0.000 | | 0.00 | |
| OT4 | | 3.500 | 3.500 | 6.500 | 5,051 | 0.000 | | 0.00 | |
| OTB | On The Beach Group Plc | 267.5 | 258.0 | 262.0 | 821,350 | -4.0 | | 1.50 | |
| OTES | Hellenic Telecommunications Organization | 7.710 | 7.710 | 7.710 | 9,338 | 0.000 | | 0.00 | |
| OTPD | Otp Bank Plc | 17.00 | 17.00 | 17.00 | 1 | 0.00 | | 0.00 | |
| OTV2 | Octopus Titan Vct Plc | 38.00 | 36.50 | 38.00 | 248 | 1.50 | | 4.11 | |
| OUFU | Ossiam Irl Icav | 176.8 | 176.8 | 190.7 | 3 | -0.7 | | 0.37 | |
| OVB | Ovoca Bio Plc | 1.295 | 1.045 | 1.150 | 173,323 | 0.000 | | 0.00 | |
| OVCT | Octopus Vct Plc | 23.10 | 22.00 | 22.00 | 1,000 | -1.10 | | 4.76 | |
| OVZA | ETFS Metal Securities Limited | 101.72 | 96.17 | 96.77 | 100 | -3.41 | | 3.40 | |
| OVZB | ETFS Metal Securities Limited | 83.97 | 82.85 | 82.85 | 100 | -0.66 | | 0.79 | |
| OVZC | ETFS Metal Securities Limited | 28.91 | 28.51 | 28.72 | 357 | 0.09 | | 0.32 | |
| OW14 | | 0.0000 | 0.0000 | 0.0000 | 0 | 0.0000 | | NaN | |
| OXA1 | DB Etc Plc | 200.6 | 199.1 | 200.6 | 0 | 3.0 | | 1.53 | |
| OXA2 | DB Etc Plc | 195.4 | 194.4 | 194.6 | 100 | -0.2 | | 0.08 | |
| OXA5 | DB Etc Plc | 287.3 | 283.7 | 284.9 | 104 | 4.0 | | 1.44 | |
| OXA6 | DB Etc Plc | 296.6 | 292.5 | 294.3 | 100 | -5.3 | | 1.78 | |
| OXB | Oxford Biomedica Plc | 339.0 | 317.5 | 324.0 | 99,146 | -8.0 | | 2.41 | |
| OXH | Oxford Technology 2 Venture Capital Trus | 3.000 | 3.000 | 6.300 | 6,000 | 0.000 | | 0.00 | |
| OXIG | Oxford Instruments Plc | 1,890 | 1,766 | 1,828 | 141,695 | -44 | | 2.36 | |
| OZ76 | | 98.25 | 98.25 | 98.25 | 578,000 | 0.00 | | 0.00 | |