Polymarket vs. Kalshi

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See where the two biggest prediction markets disagree. Pick any two markets, or start from the biggest gaps below: prices, volume, history and the resolution rules, side by side.

Market A

Possibly the same event, on the other platform

Kalshi Will Rupert Lowe be the next Prime Minister of the United Kingdom before Jan 1,… 8% Kalshi Will Ana Brnabić become Prime Minister of Serbia following the next Serbian gen… 1% Kalshi Will Kyriakos Mitsotakis become Prime Minister of Greece following the next Gre… 72% Kalshi Will Santiago Abascal become Prime Minister of Spain following the next Spanish… 6% Kalshi Will Pedro Sánchez become Prime Minister of Spain following the next Spanish ge… 18% Kalshi Will Alberto Núñez Feijóo become Prime Minister of Spain following the next Spa… 80%

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Polymarket Politics

Will Eugen Tomac be the next Prime Minister of Romania?

0% – 0.1pt

Vol $2.4K today · $370.2K total

Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.