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Top story Prediction markets beat polls on 2026 midterms as Democrats sweep, with a few surprise misses

Across venues from Polymarket to Kalshi, Democratic wins were correctly priced, though several individual races broke against market consensus.

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Midterm prediction market volume tops $1.4B on Election Day and nearly $1.9B overall

Election betting hit record scale in the US midterms, even as some venues reported slower growth than the 2024 cycle.

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Prediction markets get midterms accuracy test as election betting goes mainstream

The midterms served as the biggest test yet of whether prediction markets forecast elections better than polls.

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Kalshi midterm elections produce about $2.5 billion in trades

Kalshi reported roughly $2.5B in midterm election trading, underscoring the venue's growing role in US political betting.

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Democratic sweep odds hit 99% on prediction markets as votes were counted

Markets converged on a Democratic sweep of Congress through Election Day, a call that ultimately held.

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Markets rally on Democratic midterm wins, betting divided Washington means fewer policy shocks

Equities and options positioning reflected investor expectations that split control in Washington reduces the odds of major policy shifts.

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Nebraska voters reject online sports betting measure

Nebraska becomes the latest state to turn down online sports betting at the ballot, leaving legalization hopes to future elections.

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Mississippi Senate odds flip to Democrat Scott Colom as upset talk builds

Market pricing moved Colom to favorite against incumbent Hyde-Smith, a shift that would be a major Deep South upset.

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Kalshi wagers for Michigan Senate top $33M, with most money on Abdul El-Sayed

El-Sayed's market position held as results came in, with bettors favoring him over Republican Mike Rogers.

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State officials warn election bettors of felony risks despite prediction market growth

Regulators and prosecutors cautioned that betting on elections remains illegal in many states even as platforms expand.

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Oklahoma and Texas election results clear path for sports betting expansion

Ballot outcomes in two large states could open new sports betting markets, a focus for operators like FanDuel.

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Nate Silver flags 'insane' pattern in final Polymarket election forecasts

Silver compared his FLIPR forecast with market pricing, highlighting persistent gaps between model and market views.

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Roughly $1.48B in election bets flow through Polymarket as US midterms test the venue

Polymarket handled a record share of midterm election volume amid continued US regulatory scrutiny.

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Better Markets says prediction markets again failed to call election results correctly

The advocacy group argued market pricing missed key races, pushing back on claims of superior forecasting.

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Vance 2028 odds slip after midterms as DeSantis gains on prediction markets

Post-election market movement reshuffled 2028 presidential nomination pricing.

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