Kalshi and Polymarket rebuff research tying small bets to election odds
Kalshi and Polymarket rejected research suggesting that small bets shift U.S. election odds, representatives for the platforms told 933thedrive.com on September 9. The two dominant U.S. prediction market operators offered no specifics on the research methodology or their counterarguments. Fast Company separately reported that both platforms are shaping campaign narratives during the midterms. A new ETF targeting prediction market infrastructure also launched, letting investors bet on the sector's growth rather than individual outcomes.
The platforms' rejection of the research kicks a trust problem down the road rather than solving it. State attorneys general and members of Congress already cite election integrity fears to justify enforcement actions; contested academic findings give them fresh ammunition regardless of which side is right. Kalshi and Polymarket must now rebut claims individually, since no industry body speaks for both venues.
That researcher-versus-operator framing splits the sector and lets critics quote the study while ignoring rebuttals. If further papers replicate the finding before November 2026, the platforms risk defending their markets as legitimate hedging tools in a pre-election hearing where data works against them. Traders absorb that policy risk in every contract price.
Kalshi and Polymarket now face scrutiny on two fronts: Novig's $125 million debut challenges their sports dominance, while a new ETF betting on their infrastructure signals mainstream finance is treating prediction markets as a lasting asset class, not a cycle.