| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OAP3 | Octopus Apollo Vct Plc | 46.50 | 46.50 | 46.50 | 0 | 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 | 0.4000 | 0.3160 | 0.3250 | 25,618,625 | -0.0450 |  | 12.16 | |
| OBI | | 15.00 | 14.00 | 14.25 | 88,720 | 0.07 | | 0.49 | |
| OC16 | | 0.0000 | 0.0000 | 0.0000 | 0 | 0.0000 | | NaN | |
| OCDO | Ocado Group Plc | 230.5 | 223.6 | 226.9 | 2,814,158 | -2.5 | | 1.09 | |
| OCI | Oakley Capital Investments Limited | 524.0 | 498.0 | 510.0 | 2,310,707 | 12.0 | | 2.41 | |
| OCN | Ocean Wilsons [Holdings] Ld | 1,510 | 1,475 | 1,500 | 92,577 | -5 | | 0.33 | |
| 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 | 5.000 | 5.000 | 5.000 | 0 | 0.000 | | 0.00 | |
| OGG9 | | 269.8 | 269.8 | 269.8 | 411 | 0.0 | | 0.00 | |
| OGLD | Deutsche Boerse Commodities Gmbh | 90.44 | 89.78 | 90.03 | 476 | 0.19 | | 0.21 | |
| OGN | Origin Enterprises Plc | 3.675 | 3.675 | 3.675 | 0 | -0.050 | | 1.34 | |
| OGOL | | 39.20 | 39.20 | 39.20 | 47 | 0.00 | | 0.00 | |
| OGZU | ETFS Metal Securities Limited | 269.3 | 267.9 | 267.9 | 0 | 1.0 | | 0.38 | |
| OHGR | One Health Group PLC | 218.3 | 216.0 | 216.0 | 40,991 | 1.4 | | 0.64 | |
| 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 | 1,221 | 1,196 | 1,220 | 13,535 | 0 | | 0.01 | |
| OIGB | | 13.50 | 13.50 | 13.50 | 0 | -0.04 | | 0.30 | |
| OIH | Orascom Investment Holding S.A.E | 0.0150 | 0.0140 | 0.0140 | 1,800 | 0.0000 | | 0.00 | |
| OIHV | | 18.55 | 18.43 | 18.51 | 2,736 | -0.08 | | 0.43 | |
| OIL2 | | 726.8 | 707.3 | 713.3 | 353 | -16.0 | | 2.19 | |
| OIL3 | UBS Ag | 84.88 | 84.88 | 84.88 | 0 | -0.86 | | 1.00 | |
| OILG | UBS Ag | 7,694 | 7,694 | 7,694 | 0 | -68 | | 0.87 | |
| OILU | UBS Ag | 126.2 | 126.2 | 126.2 | 0 | -1.1 | | 0.86 | |
| OIP9 | | 97.87 | 97.87 | 97.87 | 300,000 | 0.00 | | 0.00 | |
| OIT | Odyssean Investment Trust Plc | 164.5 | 156.0 | 161.0 | 168,943 | 0.0 | | 0.00 | |
| 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 | 51.54 | 50.00 | 50.00 | 334,271 | -0.40 | | 0.79 | |
| OMI | Orosur Mining Inc | 8.500 | 8.000 | 8.250 | 243,059 | -0.250 | | 2.94 | |
| OMIP | One Media Ip Group Plc | 4.100 | 3.850 | 3.850 | 59,757 | 0.000 | | 0.00 | |
| OMU | Old Mutual Ltd | 49.90 | 48.87 | 49.40 | 101,330 | 0.70 | | 1.44 | |
| OMXS | Ishares IV Plc | 674.0 | 660.5 | 662.3 | 3,558 | -6.3 | | 0.93 | |
| ONDO | | 22.50 | 21.00 | 21.50 | 438,258 | 0.10 | | 0.47 | |
| ONT | Online Travel | 138.5 | 133.2 | 136.9 | 1,656,329 | 1.2 | | 0.85 | |
| ONWD | Onward Opportunities Ltd | 133.0 | 132.2 | 132.5 | 8,812 | 0.5 | | 0.38 | |
| OOA | Octopus Aim Vct Plc | 49.50 | 49.50 | 49.50 | 0 | 0.00 | | 0.00 | |
| OPEN | Ishares IV Plc | 9.211 | 9.203 | 9.211 | 205 | 0.016 | | 0.17 | |
| OPG | Opg Power Ventures Plc | 7.500 | 7.050 | 7.200 | 307,618 | -0.300 | | 4.00 | |
| OPT | Ocean Power Technologies Inc Com Shs | 208.0 | 206.0 | 207.0 | 375,886 | -1.0 | | 0.48 | |
| OPTI | Optibiotix Health Plc | 12.50 | 11.00 | 12.00 | 419,812 | 0.81 | | 7.24 | |
| 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 | 101.3 | 6,600 | 0.0 | | 0.00 | |
| ORCA | Orca Interact | 11.00 | 11.00 | 11.00 | 10,000 | 0.20 | | 1.85 | |
| ORCH | Orchard Funding Group Pl | 62.80 | 61.00 | 61.00 | 21,558 | -2.00 | | 3.17 | |
| ORCP | Oracle Coalfields Plc | 0.0160 | 0.0150 | 0.0160 | 99,176,862 | 0.0010 | | 6.67 | |
| ORIT | Octopus Renewables Infrastructure Trust | 74.90 | 73.40 | 73.40 | 806,796 | -1.10 | | 1.48 | |
| ORNT | Orient Telecoms Plc | 4.000 | 4.000 | 4.000 | 0 | 0.000 | | 0.00 | |
| ORR | Oriole Resources Plc | 0.2500 | 0.2000 | 0.2050 | 13,629,620 | -0.0080 | | 3.76 | |
| 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 | 528.0 | 520.0 | 522.5 | 717,922 | -3.5 | | 0.67 | |
| OSEC | Octopus Second Aim Vct Plc | 37.00 | 37.00 | 37.00 | 0 | 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 | | 15.20 | 15.20 | 15.20 | 0 | 0.00 | | 0.00 | |
| OT3 | | 7.000 | 7.000 | 7.000 | 0 | 0.000 | | 0.00 | |
| OT4 | | 6.500 | 6.500 | 6.500 | 0 | 0.000 | | 0.00 | |
| OTB | On The Beach Group Plc | 296.5 | 290.0 | 295.5 | 488,422 | 4.0 | | 1.37 | |
| 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 | 0 | 0.00 | | 0.00 | |
| OTV2 | Octopus Titan Vct Plc | 34.50 | 33.25 | 34.50 | 29,925 | 0.00 | | 0.00 | |
| OUFU | Ossiam Irl Icav | 194.0 | 194.0 | 194.0 | 0 | -0.2 | | 0.10 | |
| OVB | Ovoca Bio Plc | 1.295 | 1.045 | 1.150 | 173,323 | 0.000 | | 0.00 | |
| OVCT | Octopus Vct Plc | 23.10 | 22.00 | 23.10 | 50,000 | 1.10 | | 5.00 | |
| OVZA | ETFS Metal Securities Limited | 107.2 | 103.6 | 103.6 | 5,012 | -1.4 | | 1.35 | |
| OVZB | ETFS Metal Securities Limited | 90.33 | 86.68 | 86.70 | 100 | -1.02 | | 1.16 | |
| OVZC | ETFS Metal Securities Limited | 28.24 | 27.95 | 28.02 | 3,731 | -0.18 | | 0.62 | |
| OW14 | | 0.0000 | 0.0000 | 0.0000 | 0 | 0.0000 | | NaN | |
| OXA1 | DB Etc Plc | 192.2 | 191.4 | 191.6 | 100 | 1.3 | | 0.70 | |
| OXA2 | DB Etc Plc | 194.3 | 192.9 | 192.9 | 100 | 0.1 | | 0.03 | |
| OXA5 | DB Etc Plc | 269.9 | 268.3 | 269.1 | 100 | 0.7 | | 0.25 | |
| OXA6 | DB Etc Plc | 289.7 | 287.3 | 287.5 | 100 | -1.9 | | 0.66 | |
| OXB | Oxford Biomedica Plc | 328.5 | 306.5 | 316.5 | 70,725 | 0.5 | | 0.16 | |
| OXH | Oxford Technology 2 Venture Capital Trus | 6.300 | 6.300 | 6.300 | 0 | 0.000 | | 0.00 | |
| OXIG | Oxford Instruments Plc | 1,950 | 1,896 | 1,896 | 107,144 | -42 | | 2.17 | |
| OZ76 | | 98.25 | 98.25 | 98.25 | 578,000 | 0.00 | | 0.00 | |