| OBSC Perfection Limited-OBSCP | 310.00 | - | Tech | Mov Avg | Funda | Charts |
| OCCL Limited-OCCLLTD | 92.14 | - | Tech | Mov Avg | Funda | Charts |
| Oberoi Realty Ltd.-OBEROIRLTY | 1660.00 | F&O | Tech | Mov Avg | Funda | Charts |
| Odigma Consultancy Solutions Limited-ODIGMA | 26.96 | - | Tech | Mov Avg | Funda | Charts |
| Oil & Natural Gas Corporation Ltd.-ONGC | 285.60 | F&O | Tech | Mov Avg | Funda | Charts |
| Oil Country Tubular-OILCOUNTUB | 44.70 | - | Tech | Mov Avg | Funda | Charts |
| Oil India Ltd.-OIL | 476.65 | F&O | Tech | Mov Avg | Funda | Charts |
| Ola Electric Mobility Ltd.-OLAELEC | 38.58 | NiftySmallCap250 | Tech | Mov Avg | Funda | Charts |
| Olectra Greentech Ltd.-OLECTRA | 1219.40 | NiftySmallCap250 | Tech | Mov Avg | Funda | Charts |
| Om Freight Forwarders Limited-OMFREIGHT | 77.81 | - | Tech | Mov Avg | Funda | Charts |
| Om Infra Ltd.-OMINFRAL | 90.62 | - | Tech | Mov Avg | Funda | Charts |
| Omax Autos Ltd.-OMAXAUTO | 105.94 | - | Tech | Mov Avg | Funda | Charts |
| Omaxe Ltd.-OMAXE | 76.03 | - | Tech | Mov Avg | Funda | Charts |
| Omfurn India Ltd.-OMFURN | 63.40 | - | Tech | Mov Avg | Funda | Charts |
| Omkar Speciality Chemicals-OMKARCHEM | 4.20 | - | Tech | Mov Avg | Funda | Charts |
| Omnitech Engineering Limited-OMNI | 357.63 | - | Tech | Mov Avg | Funda | Charts |
| On Door Concepts Ltd.-ONDOOR | 162.45 | - | Tech | Mov Avg | Funda | Charts |
| OnMobile Global Limited-ONMOBILE | 46.18 | - | Tech | Mov Avg | Funda | Charts |
| One 97 Communications Ltd.-PAYTM | 1100.90 | F&O | Tech | Mov Avg | Funda | Charts |
| One Mobikwik Systems Limited-MOBIKWIK | 187.04 | - | Tech | Mov Avg | Funda | Charts |
| One Point One Solutions Ltd.-ONEPOINT | 52.50 | - | Tech | Mov Avg | Funda | Charts |
| OneClick Logistics India Ltd.-OLIL | 317.20 | - | Tech | Mov Avg | Funda | Charts |
| Onelife Capital Advisors-ONELIFECAP | 14.98 | - | Tech | Mov Avg | Funda | Charts |
| Onesource Specialty Pharma Limited-ONESOURCE | 1456.80 | NiftySmallCap250 | Tech | Mov Avg | Funda | Charts |
| Onward Technologies-ONWARDTEC | 248.39 | - | Tech | Mov Avg | Funda | Charts |
| Onyx Biotec Limited-ONYX | 37.70 | - | Tech | Mov Avg | Funda | Charts |
| Optiemus Infracom Ltd.-OPTIEMUS | 368.10 | - | Tech | Mov Avg | Funda | Charts |
| Optivalue Tek Consulting Limited-OPTIVALUE | 76.00 | - | Tech | Mov Avg | Funda | Charts |
| Oracle Financial Services Software Ltd.-OFSS | 7176.50 | F&O | Tech | Mov Avg | Funda | Charts |
| Orbit Exports-ORBTEXP | 164.65 | - | Tech | Mov Avg | Funda | Charts |
| Orchasp Limited-ORCHASP | 1.99 | - | Tech | Mov Avg | Funda | Charts |
| Orchid Pharma Ltd.-ORCHPHARMA | 550.10 | - | Tech | Mov Avg | Funda | Charts |
| Oriana Power Ltd.-ORIANA | 1943.00 | - | Tech | Mov Avg | Funda | Charts |
| Oricon Enterprises Ltd.-ORICONENT | 66.65 | - | Tech | Mov Avg | Funda | Charts |
| Orient Bell-ORIENTBELL | 276.40 | - | Tech | Mov Avg | Funda | Charts |
| Orient Cement Ltd.-ORIENTCEM | 138.95 | - | Tech | Mov Avg | Funda | Charts |
| Orient Ceratech Ltd.-ORIENTCER | 40.70 | - | Tech | Mov Avg | Funda | Charts |
| Orient Electric Ltd.-ORIENTELEC | 166.99 | - | Tech | Mov Avg | Funda | Charts |
| Orient Green Power Company Ltd.-GREENPOWER | 10.16 | - | Tech | Mov Avg | Funda | Charts |
| Orient Paper & Industries Ltd.-ORIENTPPR | 17.90 | - | Tech | Mov Avg | Funda | Charts |
| Orient Press-ORIENTLTD | 59.60 | - | Tech | Mov Avg | Funda | Charts |
| Orient Technologies Ltd.-ORIENTTECH | 275.51 | - | Tech | Mov Avg | Funda | Charts |
| Oriental Aromatics Ltd.-OAL | 277.21 | - | Tech | Mov Avg | Funda | Charts |
| Oriental Hotels Ltd.-ORIENTHOT | 97.23 | - | Tech | Mov Avg | Funda | Charts |
| Oriental Trimex Ltd.-ORIENTALTL | 7.07 | - | Tech | Mov Avg | Funda | Charts |
| Orissa Bengal Carrier Ltd.-OBCL | 55.46 | - | Tech | Mov Avg | Funda | Charts |
| Orissa Minerals Development Company Ltd.-ORISSAMINE | 3690.00 | - | Tech | Mov Avg | Funda | Charts |
| Orkla India Limited-ORKLAINDIA | 624.75 | - | Tech | Mov Avg | Funda | Charts |
| Ortel Communications-ORTEL | 1.73 | - | Tech | Mov Avg | Funda | Charts |
| Ortin Global Ltd.-ORTINGLOBE | 14.56 | - | Tech | Mov Avg | Funda | Charts |
| Osel Devices Limited-OSELDEVICE | 609.00 | - | Tech | Mov Avg | Funda | Charts |
| Osia Hyper Retail Ltd.-OSIAHYPER | 4.25 | - | Tech | Mov Avg | Funda | Charts |
| Oswal Agro Mills Ltd.-OSWALAGRO | 49.88 | - | Tech | Mov Avg | Funda | Charts |
| Oswal Greentech Ltd.-OSWALGREEN | 26.90 | - | Tech | Mov Avg | Funda | Charts |
| Oswal Pumps Limited-OSWALPUMPS | 373.40 | - | Tech | Mov Avg | Funda | Charts |
| Owais Metal And Mineral Processing Ltd.-OWAIS | 142.70 | - | Tech | Mov Avg | Funda | Charts |