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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.

37 point gap — Kalshi says 5%, Polymarket says 41%.
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Kalshi Politics

Will Benjamin Netanyahu be arrested before Jan 1, 2027?

5% ▲ +1.0pt

Vol $205 today · $34.3K total

Change ×
Polymarket Politics

Netanyahu out by June 30, 2027?

41% ▼ 24.0pt

Vol $6.8K today · $7K total

Polymarket is 37 points higher than Kalshi (41% vs 5%). Polymarket trades about 33.5× more volume today, so its price has more money behind it. They resolve on different dates (Jan 1 vs Jul 1), so they may not be exactly the same bet.

KalshiPolymarket
0%18%35%53%70%Oct 9Oct 28

History starts when we first saw each market, so a newly added market has a short line.

KalshiPolymarket
Probability (Yes)5%41%
Change (24h)+1.0 pt-24.0 pt
Volume today$205$6.8K
Total volume$34.3K$7K
Liquidity—$44.7K
Open interest$12.3K—
Resolves65d8mo
Tracked for19 days12 hours
Resolution rules: read both before trusting a gap

Kalshi

If Benjamin Netanyahu has been arrested before Jan 1, 2027, then the market resolves to Yes.

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Polymarket

This market will resolve to “Yes” if Benjamin Netanyahu ceases to be Prime Minister of Israel for any period of time between market creation and the specified date (ET). Otherwise, this market will resolve to “No”. An announcement of Benjamin Netanyahu's resignation/removal before this market's end date will immediately resolve this market to "Yes", regardless of when the announced resignation/removal goes into effect. The resolution source for this market will be official information from Benjamin Netanyahu and the government of Israel; however, a consensus of credible reporting may also be used.

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