Episode Details

This story was originally published on HackerNoon at: https://hackernoon.com/five-prediction-markets-five-definitions-of-price-the-normalization-problem-nobody-talks-about.
Kalshi, Polymarket, and other prediction markets expose similar-looking prices that can represent different quotes, fees, contracts, and timestamps.
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Cross-platform prediction market aggregation requires more than converting cents into decimals. A reliable system must distinguish displayed prices from executable quotes, account for spreads and fees, match contracts by resolution rules, and align data captured on different clocks.