Polymarket vs. Kalshi
Compare markets
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.
Possibly the same event, on the other platform
Polymarket
Will Dana W. White be the next White House Press Secretary?
2%
Polymarket
Will Ro Khanna win the 2028 Democratic presidential nomination?
3%
Polymarket
Will Dana F. White Jr be the next White House Press Secretary?
2%
Polymarket
Will Ro Khanna win the 2028 US Presidential Election?
1%
Polymarket
Will Anna Kelly be the next White House Press Secretary?
13%
Polymarket
Will Scott Jennings be the next White House Press Secretary?
7%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.