Build a Prediction Market Calculator with AI

Vibe-code a prediction-market calculator for payout, ROI, arbitrage, and Kelly stake sizing.

Cara kerjanya

Langkah 1

Deskripsikan ide Anda

Tulis prompt teks biasa yang mendeskripsikan apa yang Anda inginkan.

Langkah 2

AI membangunnya

Cryptohopper menghasilkan kode siap produksi secara instan.

Langkah 3

Deploy & aktifkan

Proyek Anda di-hosting pada subdomainnya sendiri dalam hitungan menit.

Mengapa membangun dengan AI daripada menyewa developer?

CryptohopperDeveloper tradisional
Waktu peluncuranKurang dari 5 menit2-8 minggu
BiayaMulai dari $0$5.000 - $50.000+
PemeliharaanSudah termasukRetainer berkelanjutan

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.

Coba prompt ini

Salin prompt apa pun di bawah ini dan tempelkan ke Cryptohopper untuk memulai.

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.

Pertanyaan yang sering diajukan

What does it calculate?
Position payout, profit, and ROI for prediction-market contracts; YES+NO arbitrage detection; and Kelly-optimal stake sizing given your estimated edge.
What is the Kelly stake?
The Kelly criterion sizes a bet to maximise long-run growth given your edge and the odds. The calculator computes it so you don't over- or under-bet.
Does it run locally?
Yes — all math runs in your browser, nothing is sent anywhere.

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