Prediction Markets: Polymarket + Kalshi Odds
Pricing
$2.00 / 1,000 market saveds
Prediction Markets: Polymarket + Kalshi Odds
Live odds, volume and close dates for prediction markets on Polymarket and Kalshi in one flat table. Search by keyword, filter by volume, probability and close date, then export or schedule. $2 per 1,000 markets, charged per market saved.
Pricing
$2.00 / 1,000 market saveds
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Live odds, volume and close dates for prediction markets from Polymarket and Kalshi, in one flat table. Search by keyword, filter by volume, probability and close date, and export to CSV, Excel, JSON or Google Sheets. Uses each platform's official public read API. No scraping, no proxies, no login.
What you get
One row per market:
| platform | question | impliedProbabilityPct | volume24hUsd | volumeUsd | closeTime | status | url |
|---|---|---|---|---|---|---|---|
| polymarket | Will Bitcoin hit $150k in 2026? | 12.5 | 84,210 | 3,100,000 | 2026-12-31 | open | https://polymarket.com/event/... |
| kalshi | Fed cuts rates in December? | 61 | 22,400 | 410,000 | 2026-12-10 | open | https://kalshi.com/markets/... |
Every row also has marketId, eventTitle, category, yesPrice, noPrice, every outcome with its price, lastTradePrice, bestBid, bestAsk, liquidityUsd (Polymarket), openInterest (Kalshi), updatedAt and scrapedAt. Turn on Include resolution rules text for the full rules of each market.
Use cases
- Daily odds tracker for a topic: schedule a run with
searchTerms(for examplefed, inflation) and send the dataset to Google Sheets, Slack or email with an integration. - Compare the same question on both platforms and spot gaps.
- Feed an AI agent or dashboard with current market-implied probabilities.
- Find markets about to close (
closesWithinDays) or with big volume (minVolume24hUsd).
Pricing
Pay per market saved. Set Maximum markets or the run's Maximum cost per run and the run stops there. A platform that cannot be read is skipped and reported in the run summary; if neither can be read the run fails and nothing is charged.
Good to know
- Prices are probabilities, not advice. A Yes price of 0.62 means the market currently implies about 62%. This is data from public markets, not financial or betting advice. Check each platform's rules before trading, and note that access to trading differs by country.
- Always credit the source. Each row carries
platformand aurlto the market page. Please link back when you republish. - Yes/no markets only have a probability. Multi-outcome markets (for example team names) list every outcome under
outcomes;yesPriceandimpliedProbabilityPctare empty for them. - Kalshi lists many sports legs as separate markets. Use
excludeTermsorminVolume24hUsdto focus. - Kalshi prices are in dollars (0.62 = 62 cents) and volume is in contracts, which settle at $1. Polymarket volume is in USD.
- Closed markets are recent ones the platforms still return; this is not a full history archive.
