THE IDEA

A closer look.

The Kelly criterion chooses an allocation that maximizes expected logarithmic wealth in a specified repeated-bet model. It links the size of a position to both its edge and its risk.

Why it matters

An advantage can be destroyed by betting too much. Position size is part of the decision.

WHERE IT BREAKS

A useful lens. Not a universal law.

  • The model relies on probability estimates and payoff assumptions. Estimation error, constraints, and large drawdowns complicate practical use; this entry is educational.

Associated thinkers

Associations marked provisional are awaiting source review.

Further reading

A researched reading list is planned for this entry. The current field notes and thinker associations are provisional editorial content.