Limit order | Order with a specified price which will only be filled at that price or better. |
Stop-loss order | Order type whereby an open position is automatically liquidated at market price if the currency (bid/ask price) hits a specific price level. Often used to minimize exposure to losses if the market moves against an investor's position. |
One cancel other order – OCO | A designation for two orders whereby one part of the two orders is executed the other is automatically cancelled. |