| OAS | Option-Adjusted Spread |
| OBR | Open Banking Regulation |
| OC | Opportunity Cost |
| OCC | Office of the Comptroller of the Currency |
| OCR | Optical Character Recognition |
| ODBC | Open Database Connectivity |
| ODT | Overdraft |
| OE | Equity and Owners Equity |
| OECD | Organisation for Economic Co-operation and Development |
| OEM | Original Equipment Manufacturer |
| OFC | Offshore Financial Centre |
| OFI | Other Financial Institution |
| OHIO | Only Handle It Once |
| OLA | Online Lending Association |
| OM | Office Memorandum |
| OMO | Open Market Operations |
| ONGC | Oil & Natural Gas Corporation |
| OOTO | Out Of The Office |
| OPD | Out-Patient Department; Operating Department; Optical Path D...About more |
| OS | Operating System |
| OSHA | Occupational Safety and Health Administration |
| OSI | Open Systems Interconnection |
| OSPF | Open Shortest Path First |
| OTC | Over-the-Counter |
| OTG | On-The-Go |
| OTP | One-Time Password |
| OTS | Office of Thrift Supervision |
| OYO | On Your Own |
10000+ acronym from Our experts define difficult language in easy-to-understand explanations of each and every acronym.
Acronym online Abbreviation provides quick & easy access to hard-to-spell and often misspelled abbreviations through an extensive alphabetical A- Z listing.
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