Prediction Markets: Polymarket & Kalshi odds API
Pricing
from $0.70 / 1,000 markets
Prediction Markets: Polymarket & Kalshi odds API
Live prediction market odds from Polymarket and Kalshi in one table: market, outcome probabilities, 24h volume, liquidity and close date. Filter by keyword and volume. Official public APIs, no login. Pay per market.
Pricing
from $0.70 / 1,000 markets
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Developer
openfetch
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14 hours ago
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Prediction Markets: Polymarket & Kalshi
Live odds from Polymarket and Kalshi in one clean table. Search by keyword (election, fed, bitcoin, weather) or take the busiest markets.
Output (one row per market)
| Platform | Market | Yes | 24h volume | Closes |
|---|---|---|---|---|
| polymarket | Will the Democratic Party control the House after the 2026 Midterm elections? | 0.945 | $1.5M | 2026-11-04 |
Fields: platform, market, outcomes with probabilities, yes probability, 24h and total volume, liquidity (Polymarket), bid and ask (Kalshi), close time, link, ticker.
Tips
- Schedule it hourly for a time series of the odds.
- Polymarket volume is in USD, Kalshi volume in contracts.
Price
$0.001 per market.
Data from the public Polymarket Gamma API and Kalshi Trade API. Not financial advice.
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