Research method
Kelly criterion
Kelly criterion is a canonical archive-taxonomy method; this registry entry defines its inputs, output and use boundary.
- Output
- Research filter
- Input
- Account equity, volatility, stop distance and exposure
- Horizon
- Before entry and throughout the position
- Best use
- Keep a loss or exposure decision bounded before a trade is placed.
- Input: Account equity, volatility, stop distance and exposure.
- Output: filter.
- Use boundary: Keep a loss or exposure decision bounded before a trade is placed.
The graph1
How the method is built, and where it has been read
Depends on
Often reviewed together
Optimal f sizing4 readings
Read in the archive14 readings
1982Three gates for a futures book: equity risk, expected value, and shrinking pyramids1990Constructing optimal f when trade sizes differ1995A Kelly-style leverage grid and reshuffled paths1998Optimal f contract counts versus equity fractions2001Bounded crash risk with capital units and optimal f2004Bound the loss before leverage changes size2006Ruin odds, the Kelly fraction and optimal f as size filters2010Treat risk of ruin, drawdown limits, and Kelly sizing as consistent pre-trade filters2010Fixed-fractional forex position sizing2013Kelly fraction versus risk of ruin2016Expected value versus leverage, drawdown, and Kelly sizing2017Fixed-fraction sizing versus a theoretical pattern edge2018Evaluating double-bottom breakouts as a testable system2020Late double-bottom entries after throwbacks
This registry entry describes a research method. It is not investment advice and does not make a performance claim.