| Abbreviation | Definition |
|---|---|
| CFMA | Commodity Futures Modernization Act of 2000 |
| CFO | Cancel Former Order |
| CFO | Collateralized Fund Obligation |
| CFO | Conventionally Financed Option |
| CFSMS | Counter Fraud and Security Management Service (NHS Security Management Service) |
| CFTC | Commodity Futures Trading Commission |
| CGB | Commonwealth Government Bond |
| CGMA | Come and Gone Minutes Apart |
| CGT | Capital Gains Tax |
| CHAPS | Clearing House Automated Payments Service |
| CHESS | Clearing House Electronic Sub-register System |
| CHGG | Chegg NYSE Ticker |
| CHIP | Coordinate High Income Portfolio |
| CHIPS | Clearing House Interbank Payment Service |
| CHX | Chicago Stock Exchange |
| CI | Coupon Income |
| CI | Cumulative Interest |
| CIBL | Crescent Investment Bank Limited |
| CIBOR | Copenhagen Interbank Offered Rate |
| CIC | Chartered Investment Council |