| 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 | 0.3500 | 0.2500 | 0.2600 | 49,672,865 | -0.0400 |  | 13.33 | |
| OBI | | 14.75 | 14.06 | 14.06 | 172,760 | -0.19 | | 1.33 | |
| OC16 | | 0.0000 | 0.0000 | 0.0000 | 0 | 0.0000 | | NaN | |
| OCDO | Ocado Group Plc | 244.9 | 240.1 | 242.7 | 1,218,966 | -3.1 | | 1.26 | |
| OCI | Oakley Capital Investments Limited | 520.0 | 516.0 | 520.0 | 160,076 | 4.0 | | 0.78 | |
| OCN | Ocean Wilsons [Holdings] Ld | 1,505 | 1,490 | 1,505 | 42,788 | 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 | | 259.7 | 259.5 | 259.5 | 100 | -9.6 | | 3.58 | |
| OGLD | Deutsche Boerse Commodities Gmbh | 91.36 | 90.96 | 90.98 | 302 | -0.05 | | 0.05 | |
| OGN | Origin Enterprises Plc | 3.725 | 3.655 | 3.725 | 199 | 0.050 | | 1.36 | |
| OGOL | | 46.67 | 46.67 | 46.67 | 215 | 7.47 | | 19.06 | |
| OGZU | ETFS Metal Securities Limited | 271.8 | 270.7 | 270.8 | 100 | -1.5 | | 0.56 | |
| OHGR | One Health Group PLC | 248.2 | 209.9 | 247.3 | 24,979 | 35.3 | | 16.65 | |
| 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 | 1,236 | 1,209 | 1,236 | 5,393 | 18 | | 1.49 | |
| OIGB | | 13.91 | 13.91 | 13.91 | 274 | -0.15 | | 1.07 | |
| OIH | Orascom Investment Holding S.A.E | 0.0150 | 0.0140 | 0.0140 | 1,800 | 0.0000 | | 0.00 | |
| OIHV | | 18.95 | 18.95 | 18.95 | 175 | -0.22 | | 1.13 | |
| OIL2 | | 755.8 | 738.5 | 745.8 | 20,320 | -8.0 | | 1.06 | |
| OIL3 | UBS Ag | 86.85 | 86.85 | 86.85 | 0 | 0.67 | | 0.78 | |
| OILG | UBS Ag | 7,815 | 7,815 | 7,815 | 0 | 32 | | 0.40 | |
| OILU | UBS Ag | 128.2 | 128.2 | 128.2 | 0 | 0.6 | | 0.43 | |
| OIP9 | | 97.87 | 97.87 | 97.87 | 300,000 | 0.00 | | 0.00 | |
| OIT | Odyssean Investment Trust Plc | 162.0 | 158.0 | 158.0 | 86,407 | -2.0 | | 1.25 | |
| 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 | 51.00 | 49.80 | 50.40 | 305,359 | 0.50 | | 1.00 | |
| OMI | Orosur Mining Inc | 8.000 | 7.600 | 8.000 | 393,208 | -0.160 | | 1.96 | |
| OMIP | One Media Ip Group Plc | 4.400 | 4.100 | 4.400 | 200,058 | 0.300 | | 7.32 | |
| OMU | Old Mutual Ltd | 50.64 | 50.12 | 50.20 | 29,716 | -0.60 | | 1.18 | |
| OMXS | Ishares IV Plc | 669.5 | 666.5 | 669.5 | 842 | -1.3 | | 0.19 | |
| ONDO | | 22.74 | 22.29 | 22.67 | 430,345 | 0.17 | | 0.76 | |
| ONT | Online Travel | 149.1 | 145.5 | 147.4 | 1,393,229 | -0.3 | | 0.18 | |
| ONWD | Onward Opportunities Ltd | 131.0 | 128.9 | 131.0 | 12,886 | 2.0 | | 1.55 | |
| OOA | Octopus Aim Vct Plc | 50.50 | 49.50 | 49.50 | 1,200 | 0.00 | | 0.00 | |
| OPEN | Ishares IV Plc | 9.410 | 9.410 | 9.410 | 100 | 0.009 | | 0.10 | |
| OPG | Opg Power Ventures Plc | 7.700 | 7.405 | 7.700 | 811,566 | 0.250 | | 3.36 | |
| OPT | Ocean Power Technologies Inc Com Shs | 213.0 | 208.1 | 208.1 | 60,110 | -2.9 | | 1.38 | |
| OPTI | Optibiotix Health Plc | 11.50 | 11.25 | 11.50 | 249 | 0.25 | | 2.22 | |
| 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 | 10.00 | 10.75 | 202,738 | 0.00 | | 0.00 | |
| ORCH | Orchard Funding Group Pl | 64.00 | 57.50 | 58.88 | 104,242 | -4.12 | | 6.54 | |
| ORCP | Oracle Coalfields Plc | 0.0160 | 0.0140 | 0.0160 | 67,213,375 | 0.0010 | | 6.67 | |
| ORIT | Octopus Renewables Infrastructure Trust | 74.50 | 73.40 | 73.60 | 947,886 | 0.10 | | 0.14 | |
| ORNT | Orient Telecoms Plc | 4.000 | 4.000 | 4.000 | 0 | 0.000 | | 0.00 | |
| ORR | Oriole Resources Plc | 0.2400 | 0.2150 | 0.2150 | 31,856,890 | -0.0150 | | 6.52 | |
| 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 | 532.0 | 524.5 | 526.0 | 336,104 | -6.0 | | 1.13 | |
| 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 | 11.50 | 11.50 | 2,550 | -3.70 | | 24.34 | |
| OT3 | | 7.000 | 3.500 | 3.500 | 7,140 | -3.500 | | 50.00 | |
| OT4 | | 6.500 | 6.500 | 6.500 | 0 | 0.000 | | 0.00 | |
| OTB | On The Beach Group Plc | 304.5 | 291.5 | 293.0 | 237,292 | -8.0 | | 2.66 | |
| 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 | 35.00 | 33.50 | 35.00 | 280 | 1.50 | | 4.48 | |
| OUFU | Ossiam Irl Icav | 197.1 | 197.1 | 197.1 | 0 | 2.0 | | 1.00 | |
| 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 | 5,050 | -1.10 | | 4.76 | |
| OVZA | ETFS Metal Securities Limited | 108.2 | 107.4 | 107.6 | 100 | 1.8 | | 1.67 | |
| OVZB | ETFS Metal Securities Limited | 88.75 | 87.97 | 87.97 | 100 | -0.91 | | 1.02 | |
| OVZC | ETFS Metal Securities Limited | 28.72 | 28.53 | 28.64 | 141 | 0.06 | | 0.22 | |
| OW14 | | 0.0000 | 0.0000 | 0.0000 | 0 | 0.0000 | | NaN | |
| OXA1 | DB Etc Plc | 194.9 | 194.3 | 194.3 | 100 | 0.2 | | 0.11 | |
| OXA2 | DB Etc Plc | 197.8 | 197.4 | 197.6 | 100 | 0.7 | | 0.37 | |
| OXA5 | DB Etc Plc | 272.7 | 271.7 | 271.7 | 107 | -0.2 | | 0.06 | |
| OXA6 | DB Etc Plc | 294.4 | 293.5 | 294.4 | 100 | 3.7 | | 1.29 | |
| OXB | Oxford Biomedica Plc | 336.0 | 322.0 | 334.5 | 67,575 | 2.0 | | 0.60 | |
| OXH | Oxford Technology 2 Venture Capital Trus | 6.300 | 3.000 | 6.300 | 12,631 | 0.000 | | 0.00 | |
| OXH | Oxford Technology 2 Venture Capital Trus | 6.300 | 3.000 | 3.000 | 12,631 | -3.300 | | 52.38 | |
| OXIG | Oxford Instruments Plc | 2,115 | 1,980 | 2,005 | 73,544 | -20 | | 0.99 | |
| OZ76 | | 98.25 | 98.25 | 98.25 | 578,000 | 0.00 | | 0.00 | |