Calculators/Prediction Markets

Prediction Markets

Converts prediction market contract prices into betting-comparable odds with fee adjustments.

How it works

Inputs

  • Platform (Polymarket, Kalshi, PredictIt)
  • Contract price
  • Investment amount
  • Bookmaker odds to compare

Results

  • Implied probability
  • Decimal/American odds
  • Fee-adjusted payout
  • Cross-market edge

When to use

Use to compare prediction market prices vs sportsbook odds and find cross-market edges.

Example

62¢ contract on Polymarket → 1.61 decimal odds (62% implied) — compare vs book at 1.55.

Frequently Asked Questions

Can I compare prediction markets to sportsbooks?

Yes. Prediction market contract prices represent implied probabilities that can be converted to decimal odds. If a sportsbook offers better odds than the prediction market implies, there may be value.

Need live odds data?

HyperOdds automatically finds the best odds across all major Australian bookmakers in real-time.