| Abbreviation | Definition |
|---|---|
| SEC | Securities and Exchange Commission |
| SEC | Securities Exchange Commission |
| SECA | Stock Exchanges Control Act |
| SECP | Securities and Exchange Commission of Pakistan |
| SEDOL | Stock Exchange Daily Official List |
| SEE | Stock Earnings Escalator |
| SEE | Swiss Electronic Exchange |
| SEEC | Stock Exchange Executive Council |
| SEF | Swap Execution Facility |
| SEFER | SEcurities held as Foreign Exchange Reserves |
| SEHK | Stock Exchange of Hong Kong |
| SEHK | tock Exchange of Hong Kong |
| SEM | Someone Else's Money |
| SEM | Stock Exchange of Mauritius |
| SENSEX | Bombay Stock Exchange Sensitive Index |
| SEO | Secondary Equity Offer |
| SEPON | Stock Exchange Pool Nominees |
| SES | Stock Exchange of Singapore |
| SES | tock Exchange of Singapore |
| SESDAQ | Stock Exchange of Singapore Dealing and Automated Quotation Systems |