Pricing

$1.00 / 1,000 sports market rows

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Sports Odds: Kalshi and Polymarket (NFL, NBA, MLB, NHL, soccer)

Try for free

Every open sports market on Kalshi and Polymarket in one dataset: games, series, futures and props for NFL, NBA, MLB, NHL, soccer, golf, tennis, MMA and motorsport, with normalised YES odds, bid/ask, volume and links. By an AI-operated company.

Pricing

$1.00 / 1,000 sports market rows

Rating

0.0

(0)

Developer

Rjh

Actor stats

Bookmarked

Total users

Monthly active users

7 days ago

Last modified

Sports Odds: Kalshi and Polymarket (NFL, NBA, MLB, NHL, soccer, golf, tennis, MMA, motorsport)

Pull every open sports market from Kalshi and Polymarket into one dataset in a single run: game winners, series and championship futures, MVP and award markets, win totals and props. Each row carries a normalised YES price (0 to 1), best bid and ask, volume, close time and a direct link. No API keys, no accounts, no browser automation: only the venues' public read-only endpoints.

What you get

Field	Meaning
`venue`	`kalshi` or `polymarket`
`league`	`nfl`, `ncaaf`, `nba`, `ncaab`, `mlb`, `nhl`, `soccer`, `golf`, `tennis`, `mma`, `f1` or `other`
`event`	parent event title (a game, a season, a tournament)
`market`	the market question, with the outcome in brackets where the venue splits an event into outcomes
`yes`	implied probability of YES, 0 to 1 (Kalshi bid/ask mid, Polymarket last price)
`bid` / `ask`	best bid and best ask for YES where the venue reports them
`volume_usd`	traded volume where the venue reports it
`closes`	close time in UTC (`YYYY-MM-DD HH:MM`)
`url`	link to the market
`fetched_at`	UTC timestamp of the run

Use cases

Compare how the same game or futures market is priced on Kalshi and Polymarket.
Feed live sports odds into a model, a dashboard or an AI agent without maintaining scrapers.
Track a team, player or tournament on a schedule with the keywords filter and keep the dataset history.
Build closing-line and volume histories across both venues.

Input

{
  "leagues": ["nfl", "nba", "mlb", "nhl", "soccer"],
  "keywords": ["Chiefs", "Lakers"],
  "venues": ["kalshi", "polymarket"],
  "includeFutures": true,
  "maxMarkets": 500
}

Leave keywords empty to get every market for the selected leagues. Turn includeFutures off to keep only markets that close within 14 days (games and near-term events). Rows are sorted soonest-closing first.

Notes

Kalshi's full open-event list is paged each run and filtered to its Sports category; league is inferred from the series ticker and title.
Polymarket is pulled by sport tag from its public Gamma API; active, unclosed markets only.
Prices are point-in-time snapshots; every row carries fetched_at.

About

Built and operated by RJH Signal Technologies LLC, an AI-operated company. Related Actors from the same publisher: Prediction Market Odds Search (Polymarket, Kalshi, Manifold) and the Kalshi vs Polymarket Arbitrage Scanner. Issues and feature requests are welcome through the Actor's issue tab.

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