| Abbreviation | Definition |
|---|---|
| SMPI | Statutory Money Purchase Illustration |
| SMR | Standardized Mortality Ratio |
| SMS | Stock Market Simulation |
| SMV | Secondary Market Value |
| SMX | Stockholm Money Market Exchange |
| SNI | Shares Of Non Independent |
| SNL | Stock Not Listed |
| SNZ | Southern Rio Resources |
| SO | Stock Option |
| SOES | Small Order Execution Service |
| SOES | Spot Order Execution System |
| SOFE | Swedish Options and Futures Exchange |
| SOFFEX | Swiss Options and Financial Futures Exchange |
| SOIR | Schaeffer’s put/call Open Interest Ratio |
| SOIR | Schaeffers put/call Open Interest Ratio |
| SOM | Suomi (Finnish) Options Market |
| SOMA | ociedade Operadora do Mercado de Acesso |
| SOMA | Sociedade Operadora do Mercado de Acesso |
| SOMA | Sure Of Market Appreciation |
| SOP | Finnish Options Exchange, LTD. |