What is Position Sizing?
Position sizing is deciding how much to put into a single trade, usually framed as how much of the account you are willing to risk on it. It is one of the biggest drivers of whether an account survives, often more than entry timing. Sizing too large turns a normal run of losses into a serious drawdown; sizing consistently keeps losses survivable.
Why Position Sizing matters
How much you risk per trade often matters more to survival than where you enter, so sizing is core to staying in the game.
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