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Prediction Markets

Prediction and event markets — trading volume, open interest, and transaction activity.
OverviewWorld CupBreakdownPolymarketKalshi
1 · Scale

How big is Kalshi?

Trading volume, trades, open interest, and fees on the platform.

Trading Volume
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Trades
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Open Interest
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Fees
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2 · Composition

What are people trading?

Kalshi volume and open interest broken down by category, plus the events driving the most activity.

Volume by Category
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Open Interest by Category
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Top 10 Markets — Volume (3M)
#EventCategoryVolume
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Volume by Hour of Day
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3 · Exotics

How big are Exotics?

Exotics share of total Kalshi volume, Exotics vs Sports head-to-head, and Exotics open interest.

Exotics share of total Kalshi volume
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Exotics vs Sports volume
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Exotics open interest
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4 · Perps

How big are Kalshi perps?

Notional trading volume and open interest on Kalshi perpetual futures, in total and by underlying token.

Perp Volume
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Perp Open Interest
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Perp Volume by Token
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Perp Open Interest by Token
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