仓位控制，投资术语。简单假设一个模型，一次直盘交易的周期为3-5个交易日，承受风险和获利预期均在10%以内，仓位大概比例设定在2万美金1标准手或者是两千美金0.1标准手，也就说承受的亏损及收益预期大概在200点以内。
较差的仓位控制与不肯止蚀，将普通投资者扼杀。
It's poor position sizing, along with not using a stop-loss, that kills the average investor.
仓位控制是调整交易的头寸的数量以符合你预先设定的风险金额和止损距离的一个步骤。
Position sizing is the term given to theprocess of adjusting the number of lots you trade to meet your pre-determinedrisk amount and stop loss distance.
另一个你需要清楚的关于仓位控制的重点是，它允许你在任何一笔交易里承受相同数额的风险。
The next important aspect of position sizingthat you need to understand, is that it allows you to trade the same $ amountof risk on any trade.
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