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SDR (Special drawing rights )
A form of international reserve assets of IMF member countries, created in 1967.

SEC (Securities and Exchange Commission)
A federal agency that regulates the US financial markets. The SEC also oversees the securities industry and promotes full disclosure in order to protect the investing public against malpractice in the securities markets.

SWIFT (Society for Worldwide Interbank Financial Telecommunications)
A dedicated computer network to support funds transfer messages internationally between member banks world-wide.

Securities
A piece of paper that proves ownership of stocks, bonds, data bills, depositary certificates, bill of lading, options, futures and warrants.

Securities Act of 1933
First US law designed to regulate securities markets, requiring registration of securities and disclosure.

Server log-file
A file created by the server, which records all requests and orders from client to dealer and the result of their processing.

Short
The sale of a borrowed security, commodity or currency with the expectation that the asset will fall in value. Sell-short – occurs when investor sells stocks he or she does not yet own, but has to buy at any rate in order to pay back.

Spot trade
The purchase and sale of a foreign currency, commodity, or other item for immediate delivery.

Stock, Share
A type of security that signifies ownership in a corporation and represents a claim on part of the corporation's assets and earnings. There are two main types of stock: common and preferred. Common stock usually entitles the owner to vote at shareholders' meetings and to receive dividends. Preferred stock generally does not have voting rights, but has a higher claim on assets and earnings than the common shares.

Straddle
Simultaneous purchase or sale of an equal number of puts and calls with the same terms.

Strike price
The stated price per share for which underlying stock may be purchased (in the case of a call) or sold (in the case of a put) by the option holder upon exercise of the option contract.

Swap
Difference in interest rates on two currencies credit that is deposited when rollover. Can be positive and negative.

Swaption
Options on interest rate swaps that gives the right to enter into an interest rate swap agreement by some specified date in the future.