OPEX
| Acronym | Definition |
|---|---|
| OPEX | Operating Expenses |
| OPEX | Operational Excellence |
| OPEX | Operational Expenditure |
| OPEX | Operational Expenses |
| OPEX | Options Expiration (investing) |
| OPEX | Operational Exchange |
| OPEX | Open and Extract |
| OPEX | Operational Exercise |
| OPEX | Operative Expenditures |
| OPEX | Orlando Paper Extravaganza (currency collectors convention) |
| OPEX | Operation Extinction (World of Warcraft guild) |