take a position

take a position　1.开盘；2.持仓　

1.to enter the market by either buying long or selling short.2.a general reference to an investment holding.A position can be long or short，and it can be in any asset class，such as stocks，bonds，futures，or options.A position can be open（current）or closed（past），but in general use，unless a position is specifically referred to as closed，the assumption is that it references an open position.