How do you size your first trades of a new strategy?

A new strategy's first live trades should be its smallest: the sample is unproven, the execution habits unformed. Scaling in gradually as the results accumulate is the professional pattern.

How do you size your first trades of a new strategy? — risk-reward diagram
A risk-reward ratio of 1 to 2

What's your ramp?

  • the starting size for an unproven strategy
  • the evidence required before increasing
  • how long you keep a strategy on probation
How do you size your first trades of a new strategy? — moving average crossover diagram
A fast moving average crossing a slower one

The position sizing guide structures the ramp.

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