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DEFI Real World Prediction Polymarket and Kalshi Open Interest Daily

DeFi

The combined daily USD value of unresolved, outstanding positions held on the Polymarket and Kalshi prediction market platforms Shown here for Polymarket US.

Why it matters

To measure how much capital is actively committed to unresolved prediction market bets across the two leading platforms.

How it is built

Summing the USD value of all open, unsettled share positions on Polymarket and Kalshi as of each day.

What to watch

Rising open interest signals growing capital commitment to prediction markets, while sharp drops typically follow major event resolutions that settle large numbers of positions at once.

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