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from $2.40 / 1,000 markets

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Kalshi Scraper: Market Odds, Volume & Open Interest

Try for free

Kalshi markets and events: probability, yes/no bid and ask, 24h change, volume, open interest, liquidity, close date, result, rules, daily price history. Search, categories, tickers, move alerts.

Pricing

from $2.40 / 1,000 markets

Rating

0.0

(0)

Developer

Tapaswai Choudhary

Actor stats

Bookmarked

Total users

Monthly active users

8 hours ago

Last modified

What you get

One row per market: each strike or outcome of an event (each rate decision at a Fed meeting, each temperature band, each candidate).

Field	Meaning
`marketId` (ticker), `eventId`, `seriesTicker`, `eventTitle`, `question`, `outcome`, `url`	The market
`probability`	Market-implied chance of "yes", 0 to 1 (midpoint of a tight book, else the last trade)
`lastPrice`, `yesBid`, `yesAsk`, `noBid`, `noAsk`, `spread`	Quotes in dollars per contract, 0 to 1
`change24h`	Probability change since yesterday
`volume`, `volume24h`, `openInterest`	In contracts (each pays $1)
`liquidity`	In US dollars
`category`, `openTime`, `closeTime`	When it trades
`status` (open, closed, resolved), `result` (Yes, No), `rules`	How it settles
`priceHistory`	`[{date, probability, volume}]`, one point per day, with History days set
`previousProbability`, `movePoints`	On alert runs: the price last delivered and the move since, in percentage points

{
  "marketId": "KXFEDDECISION-26DEC-H0",
  "eventTitle": "Fed decision in Dec 2026? (On Dec 9, 2026)",
  "outcome": "Fed maintains rate",
  "probability": 0.29,
  "yesBid": 0.28,
  "yesAsk": 0.3,
  "volume": 841358.21,
  "volume24h": 85959.14,
  "openInterest": 462480.26,
  "closeTime": "2026-12-09T18:59:00Z",
  "status": "open"
}

How to use it

Trending Kalshi markets right now:

{ "maxItems": 50 }

Every Fed-decision market with 30 days of history:

{ "search": "fed", "historyDays": 30 }

Economics and finance markets closing in the next 7 days:

{ "categories": ["economics", "finance"], "closesWithinDays": 7, "sortBy": "closingSoon" }

Alert when an election market moves 5 points (schedule hourly):

{ "categories": ["elections"], "minVolume24h": 1000, "alertMovePoints": 5 }

A whole series, event or single market by ticker:

{ "markets": ["KXFEDDECISION", "KXFEDDECISION-26DEC", "KXFEDDECISION-26DEC-H0"] }

Options

Option	What it does
Platforms (`platforms`)	Fixed to Kalshi in this Actor
Search (`search`)	Keywords in the question, event or outcome, e.g. `fed rate`, `bitcoin`
Categories (`categories`)	politics, elections, economics, finance, crypto, sports, tech-science, ai, climate-weather, culture, world, companies, health, mentions
Markets (`markets`)	Kalshi links or tickers (series, event or market)
Status (`status`)	`open` (default), `closed` (includes resolved, with result) or `all`
Sort by (`sortBy`)	`volume24h`, `volume`, `liquidity`, `closingSoon`, `newest`, `move24h`
Minimum total / 24-hour volume (`minVolume`, `minVolume24h`)	In contracts (each pays $1)
Minimum liquidity (`minLiquidity`)	In US dollars
Closes within (days) (`closesWithinDays`)	Only markets settling within this many days
History days (`historyDays`)	Daily price history, up to 365 days
Max markets (`maxItems`)	Most rows per run
Only new (`onlyNew`, `monitorName`)	With a schedule, each run returns only markets earlier runs did not deliver
Alert on moves (`alertMovePoints`)	Return only markets whose probability moved at least this many percentage points since last delivered

Pricing

$3 per 1,000 markets, plus a small start fee per run. Price history is included. On the Apify free plan a run returns up to 100 markets.

Good to know

Categories: politics, elections, economics, finance, crypto, sports, tech and science, AI, climate and weather, culture, world, companies, health, mentions.
Status closed returns settled markets with result.
The first alert run returns every match as the baseline; later runs return only moves (and new markets).
Need Polymarket, Manifold or PredictIt too? Prediction Markets (tacps126/prediction-markets) covers all four in one table.
Prices are delayed snapshots for research, not a trading feed.
Questions: tacps126@gmail.com.

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