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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.

21 point gap — Polymarket says 100%, Kalshi says 79%.
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Polymarket Sports

Game Handicap: HULIGANI (-1.5) vs Team Lynx (+1.5)

100% ▲ +73.5pt

Vol $295 today · $295 total

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Kalshi Sports

Will a Seattle NBA team play a game before 2030?

79% – 0.0pt

Vol $1 today · $23.7K total

Polymarket is 21 points higher than Kalshi (100% vs 79%). Polymarket trades about 289× more volume today, so its price has more money behind it. They resolve on different dates (Oct 22 vs Jan 1), so they may not be exactly the same bet.

PolymarketKalshi
20%40%60%80%100%Oct 9Oct 28

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

PolymarketKalshi
Probability (Yes)100%79%
Change (24h)+73.5 pt+0.0 pt
Volume today$295$1
Total volume$295$23.7K
Liquidity——
Open interest—$8.9K
Resolves—39mo
Tracked for6 days18 days
Resolution rules: read both before trusting a gap

Polymarket

This market refers to the Dota 2 match between HULIGANI and Team Lynx in the EPL Masters Group A, initially scheduled for October 22, 2026 at 8:00 AM ET. This market will resolve to "HULIGANI" if HULIGANI wins 2 or more games than Team Lynx in this match. Otherwise, this market will resolve to "Team Lynx". Games won by forfeit, disqualification, walkover, or default are counted towards the handicap, provided that the match is completed. If the match is canceled (not played at all for any reason) or ends in a tie, this market will resolve to 50-50. If the match is postponed, it must be rescheduled to a start time on or before November 5, 2026 at 11:59 PM ET (14 calendar days after the originally scheduled start of October 22, 2026 at 8:00 AM ET). If, by that deadline, the most recently announced rescheduled start time is on or before the deadline, this market resolves based on the result of the match as played. Otherwise, this market resolves 50-50, regardless of whether the match is subsequently played. The match is considered to have begun once live play begins in its first map or game. Warmup rounds and knife rounds do not count as the start of the match. A round forced live because a team did not ready up or resume play within the allotted time does not count as the start of the match if that team forfeits before the next round begins. If the match begins and one te…

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Kalshi

If a Seattle-based men's Pro Basketball team plays a game before Jan 1, 2030, then the market resolves to Yes.

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