| Abbreviation | Definition |
|---|---|
| ODI | Offshore Derivative Instrument |
| ODI | Overseas Direct Investment |
| ODIN | Open Dealer Integrated (Trading) Network |
| ODJ | OsterDowJones Commodity News |
| ODR | Overseas Depository Receipt |
| OFDI | Originating Financial Depository Institution |
| OFDI | Outward Foreign Direct Investment |
| OFDI | Overseas Foreign Direct Investment |
| OI | Option Investment |
| OID | Original Issue Discount |
| OIDA | Operating income before depreciation and amortization and restructuring charges |
| OIF | Oklahoma Investment Forum |
| OIO | Opportunities In Options |
| OLB | On Line Broker |
| OMF | Other Mutual Funds |
| OMO | Open Market Operations |
| OMRC | Off Market Rate Checking |
| OMX | Option Market Index |
| OOM | Out Of Market |
| OPIC | Opening Price Index Calculation |