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Event-contract market data · categories

Prediction Market Data by Category

1,866 series across 7 categories on Kalshi and Polymarket. Each category hub lists every live series with coverage, archive size and 30-day activity (to 2026-09-22); the topic hubs underneath slice it by league, asset or release.

Browse prediction bundlesBrowse by topic →Most traded series →
7 categories

Categories

CryptoBTC Up/Down 5m and 15m, ETH Up/Down, Bitcoin above/below strikes
69Series
2Venues
1.30 TBArchive
154.3MTrades 30d
$4.3BTurnover 30d
SportsNFL game totals, FIFA World Cup, ATP/ITF tennis matches, MLB games
1,088Series
2Venues
2.96 TBArchive
107.9MTrades 30d
$7.2BTurnover 30d
Politicsmidterm margins of victory, House races, primary vote shares
149Series
2Venues
162 GBArchive
1.6MTrades 30d
$9.5MTurnover 30d
EconomicsS&P 500 and Nasdaq above/below, WTI oil, gold, CPI prints
167Series
KalshiVenues
160 GBArchive
16.8MTrades 30d
$394.9MTurnover 30d
Climatedaily high temperature in NYC, London, Paris, Seoul
161Series
2Venues
732 GBArchive
6.2MTrades 30d
$44.9MTurnover 30d
CultureElon Musk tweet counts, Rotten Tomatoes scores, “what will Trump say?”
211Series
2Venues
101 GBArchive
1.0MTrades 30d
$23.0MTurnover 30d
ScienceAI, space-flight and research milestones
21Series
KalshiVenues
2.48 GBArchive
56.2KTrades 30d
$1.3MTurnover 30d
5 topic hubs

Crypto topics

Bitcoin Up or DownEthereumSolanaXRPAltcoinsAll crypto series →
42 topic hubs

Sports topics

NBAWNBANFLMLB & BaseballNHLCollege FootballCollege BasketballSoccerFIFA World CupPremier LeagueUEFA Club CompetitionsBundesligaLa LigaLiga MXMLS & US SoccerSouth American SoccerTennisTable TennisGolfUFC & MMAMotorsportEsportsChessSuper Bowl & NFL PlayoffsWorld Series & MLB PlayoffsNBA Champion & PlayoffsStanley Cup & NHL AwardsIce Hockey LeaguesSerie ALigue 1European LeaguesAsian & Middle East SoccerDomestic & Continental CupsFormula 1BoxingCricketRugby & Aussie RulesDartsCyclingInternational BasketballSeason Awards & MVPsMore SportsAll sports series →
7 topic hubs

Politics topics

PrimariesMidterms, House & Senate2028 Presidential ElectionTrump AdministrationSupreme Court & CongressWorld Elections & LeadersGeopoliticsAll politics series →
17 topic hubs

Economics topics

GoldSilverOil (WTI)CommoditiesS&P 500Nasdaq-100Stock IndicesCPI & InflationFed & Interest RatesJobs, Unemployment & GDPGPU & Memory PricesIPOs & Corporate ActionsGas PricesCompany KPIs & EarningsGDP & RecessionTreasury Yields & FXHousing & RentsAll economics series →
3 topic hubs

Climate topics

TemperatureHurricanesLowest TemperatureAll climate series →
9 topic hubs

Culture topics

Billboard & MusicAwardsLove Island & TVElon Musk TweetsRotten TomatoesMention MarketsMovies, TV & StreamingPodcasts, Media & InternetCelebrities & FashionAll culture series →
3 topic hubs

Science topics

AI ModelsSpace & Tech MilestonesHealth & ScienceAll science series →
FAQ

Prediction-market categories — FAQ

How much prediction-market activity do these categories cover?

1,866 Kalshi and Polymarket series across 7 categories, with 287,831,562 trades and $11.9B of USD turnover in the 30 days to 2026-09-22 — Sports leads at $7.2B. Every number is summed from the trade prints of every contract in our own tick capture.

How is a category hub built?

From the static series registry intersected with the live archive: only series with recorded days are listed, and each hub shows its series per venue, 30-day trades and turnover, month-by-month development, the biggest contracts of the newest day and an FAQ. Day bundles are bought in the shop from €1.