| Company | Symbol | R3 Breakout Type | Open | R3 | Close |
| One Point One Solutions | onepoint | None | 70.6 | -63 | 75.8 |
| Onelife Capital Advisors | onelifecap | None | 17.01 | -16.99 | 17 |
| Onmobile Global | onmobile | None | 73.4 | -71.5 | 72.93 |
| Onward Technologies | onwardtec | None | 425.15 | -401.55 | 417.95 |
| Optiemus Infracom | optiemus | None | 378 | -347.2 | 373.2 |
| Opto Circuits (india) | optocircui | None | 1.8 | -1.75 | 1.8 |
| Oracle Financial Services Software | ofss | None | 10488 | -10252.1 | 10425.45 |
| Orbit Exports | orbtexp | None | 180.28 | -177 | 179.2 |
| Orchid Pharma | orchpharma | None | 1144 | -1104 | 1143.55 |
| Oricon Enterprises | oriconent | None | 38.24 | -36.08 | 39.37 |
| Orient Abrasives | orientabra | None | 35 | -32.6 | 34.25 |
| Orient Bell | orientbell | None | 428.85 | -394.95 | 421.35 |
| Orient Cement | orientcem | None | 306.85 | -277 | 296.8 |
| Orient Electric | orientelec | None | 275.45 | -261.1 | 270.6 |
| Orient Green Power Company | greenpower | None | 21.23 | -20.25 | 21.35 |
| Orient Paper & Industries | orientppr | None | 59.05 | -55.58 | 58.4 |
| Orient Press | orientltd | None | 102.74 | -94.26 | 103.82 |
| Oriental Aromatics | oal | None | 443.5 | -422.75 | 438.65 |
| Oriental Carbon & Chemicals | occl | None | 218 | -198 | 215.9 |
| Oriental Hotels | orienthot | None | 137.24 | -126.47 | 141.62 |