Owns
Approximate stake allocation across 2-15 user-entered legs under a total exposure cap.
Portfolio Kelly child tool|Last updated May 17, 2026|Method reviewed May 17, 2026
Portfolio Kelly Calculator
Estimate a capped allocation across 2-15 candidate bets. This is a cautious educational tool for exposure planning, not a prediction, not a guarantee, and not a way to model correlated bets you cannot explain.
Privacy note: runs in your browser. Do not enter account IDs, ticket numbers, private sportsbook data, login details, document numbers, card numbers or bank details.
Stop gate: if this creates urgency, chasing or pressure to add bets, stop. Call or text 1-800-MY-RESET for confidential support. State-specific resources may vary.
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What this child tool owns
Does not own
Correlation modeling, same-game parlay math, sportsbook acceptance, tax, legality, payout approval or personal risk review.
Stop condition
Do not model if outcomes are correlated and you cannot explain the relationship.
Formula registry
| Item | Definition |
|---|---|
| Model | Portfolio Kelly Allocation Model v1.0, reviewed May 17, 2026 |
| Inputs | Bankroll, mode, fractional multiplier, exposure cap, 2-15 odds/probability rows, correlation acknowledgement |
| Outputs | Raw fractional stake, capped stake, total raw exposure, scale factor and warning label |
| Limit | Does not solve covariance/correlation matrices or certified multi-outcome optimization |
QA and fixtures
Public test fixtures are available at /tools/kelly/portfolio/test-fixtures.json. Cases cover independent positive edges, exposure-cap scaling, mutually exclusive warnings, invalid rows and missing correlation acknowledgement.