Build a Prediction Market Calculator with AI
Vibe-code a prediction-market calculator for payout, ROI, arbitrage, and Kelly stake sizing.
Hoe het werkt
Stap 1
Beschrijf je idee
Schrijf een prompt die beschrijft wat je wilt.
Stap 2
AI bouwt het
Cryptohopper genereert productieklare code direct.
Stap 3
Deploy & ga live
Je project wordt gehost op een eigen subdomein in minuten.
Waarom bouwen met AI in plaats van een developer inhuren?
| Cryptohopper | Traditionele developer | |
|---|---|---|
| Tijd tot lancering | Minder dan 5 minuten | 2-8 weken |
| Kosten | Vanaf €0 | €5.000 - €50.000+ |
| Onderhoud | Inbegrepen | Doorlopend contract |
What is a prediction market calculator?
Prediction-market contracts pay out $1 if an event happens and $0 if it doesn't, so a price is a probability. This calculator does the math that matters: the payout and ROI on a YES or NO position, the arbitrage when YES + NO prices don't add to 100%, and the Kelly-criterion stake size for an edge you believe in. It's pure, browser-side math; describe it and Cryptohopper.AI builds it.
Common features
- Payout and ROI for YES/NO at a given price
- YES + NO arbitrage detector
- Kelly-criterion stake sizing from your edge
- Implied probability from price
- Instant recompute as you type
- 100% browser-side, no key
Real-world examples
ROI on YES
Buy YES at 38¢ — see the payout and return if it resolves true.
Arb check
Spot when YES + NO sum below $1 for a locked-in edge.
Kelly stake
Size a bet by the Kelly criterion given your estimated probability.
Why Cryptohopper.AI fits prediction market calculator projects
Cryptohopper.AI builds the prediction-market math — payout, arbitrage and Kelly — from a description. Add fees or a bankroll model by chatting.
Probeer deze prompts
Kopieer een prompt en plak deze in Cryptohopper om te beginnen.
Build me a prediction-market calculator that takes a YES/NO price and stake and shows payout, profit, and ROI.
Create a calculator that detects YES+NO arbitrage and shows the locked-in return.
Make a tool that suggests a Kelly-optimal stake given my edge and the odds.
Build a clean prediction-market payout and ROI calculator.
Veelgestelde vragen
What does it calculate?
What is the Kelly stake?
Does it run locally?
Gerelateerde bouwers
Ontdek meer categorieën
Polymarket Markets Screener
Vibe-code a Polymarket screener with live odds, volume, and implied probability.
Kalshi Markets Screener
Vibe-code a Kalshi screener for event markets with prices, volume, and probabilities.
Prediction Market Dashboard
Vibe-code a dashboard of Polymarket and Kalshi markets with live odds and movers.
Position Size Calculator
Vibe-code a risk-first position-size calculator — account, risk %, and stop distance to exact size.
Crypto Profit Calculator
Vibe-code a profit calculator for entry, exit, fees, and position size — profit, ROI, and breakeven.
Options Payoff Calculator
Vibe-code an options strategy payoff calculator with breakevens, max profit/loss, and a payoff diagram.
Klaar om te bouwen?
Begin nu met het bouwen van je project — geen code nodig.
Genereer dit voor mij