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How do Polymarket and Kalshi work?

Polymarket and Kalshi are prediction markets with similar core mechanics but different implementations. Core mechanics: Both allow betting on future events.

Users buy shares in outcomes they predict will happen. Share prices reflect the market's probability assessment. Winning shares pay $1, losing shares pay $0.

Key differences: Technology - Polymarket uses cryptocurrency (USDC on Polygon). Kalshi uses traditional financial infrastructure. Regulation - Kalshi is CFTC-regulated.

Polymarket operates differently. Market focus - Polymarket has more geopolitical/trending topics. Kalshi focuses more on sports.

Access - Polymarket banned in more countries. Kalshi has different restrictions. Similarities: Both use shares that pay $1 or $0.

Both show probability through price. Both resolve markets based on real-world outcomes. Both pay fees through spreads.

Both have faced regulatory scrutiny. Both have issues with insider trading concerns.

Sources

Open the live whale feedSee the large Polymarket trades moving right now.See top whale walletsRank traders by tracked volume and trade count.