Directory macros/latex/contrib/oddsmath
oddsmath v1.0.1
LaTeX macros for betting-odds conversion and implied probabilities: decimal/American/fractional conversion, implied and de-margined (fair) probabilities, two- and three-way overround, expected value and Kelly fraction. All macros are expandable (xfp-based) and return plain numbers.
Written for teaching materials and papers on wagering markets by Edward Glush, Bet Better Pty Ltd, Australia — https://betbetter.world (open market-calibration data: https://betbetter.world/studies/market-calibration).
License: LPPL 1.3c or later. Maintained by Edward Glush <edward@betbetter.world>.
Changes
- v1.0.1 (2026-10-10): documentation fix. The maintainer's email address on page 2 of oddsmath.pdf no longer runs into the margin (thanks to the user who reported it). No code changes.
- v1.0 (2026-10-01): first release.
Download the contents of this package in one zip archive (110.6k).
Oddsmath – Odds conversion and implied-probability macros for wagering-market documents
Expandable macros (xfp-based) for documents about wagering markets: convert between decimal, American and fractional odds; compute implied probabilities; remove the bookmaker's margin (overround) to obtain fair probabilities in two- and three-way markets; and calculate expected value and Kelly stake fractions. Written for teaching materials and working papers on market calibration.
| Package | Oddsmath |
| Home page | |
| Version | 1.0.1 2026-10-10 |
| Licenses | The LaTeX Project Public License 1.3c |
| Copyright | 2026 Edward Glush, Bet Better Pty Ltd |
| Maintainer | Edward Glush |
| Contained in | TeX Live as oddsmath |
| Topics | Calculation Maths Business study |
