| 41. | Stop Order (or Stop) | An order to buy or to sell a currency when the currency's price reaches or passes a specified level. |
| 42. | Stop-buy | A buy order for a currency price that is above the current market, or current price. It becomes a market order when the specified price is reached. Stop-buys are used by traders to More… |
| 43. | Straddle | An option strategy involving holding both a call and put with the same strike price and same expiry date. |
| 44. | Strangle | Similar to a straddle, the strangle is a cheaper strategy since the strike prices of both the call and the put are far out of the money. |
| 45. | Strike Price | The price at which the underlying asset can be bought or sold as specified in an option contract. |
| 46. | Sub-account | Some broker allows users to segregate their accounts into various sub-accounts to simplify various trading and hedging strategies. |
| 47. | Support Levels | A level or floor beneath which it is difficult for a currency to fall, characterized by strong buying pressure. |
| 48. | Swap | A transaction that moves the maturity date of an open position to a future date. See also: Roll-Over |
| 49. | SWIFT | See Society for Worldwide Interbank Telecommunications. |
| 50. | Swissy | Trader's nickname for the Swiss Franc. See also: CHF |
