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 Anthropic IPO by November 30, 2026?
88%
Polymarket
Will Anthropic IPO by October 31, 2026?
0%
Polymarket
Will Anthropic IPO by December 31, 2026?
95%
Polymarket
Will Anthropic IPO by November 25, 2026?
86%
Polymarket
Will Anthropic IPO by December 15, 2026?
93%
Polymarket
Will Anthropic IPO by November 20, 2026?
66%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.