Midterm prediction market trading volume surges, topping $750M as Kalshi and Polymarket draw record activity
Election betting volume has climbed sharply into the 2026 midterms, with reports citing a 153% jump to $104M in a single week and $750M in cumulative midterm tr
GamingToday · +6 outlets
States and NFL argue Kalshi and Polymarket constitute illegal gambling
The legal fight over whether event contracts are gambling rather than financial swaps continues to widen beyond state regulators to sports leagues.
Newsmax · +14 outlets
Ohio governor race: Amy Acton's prediction market odds soar to 76% amid attack ad uproar
Acton's market position strengthened after backlash over an ad from Republican rival Vivek Ramaswamy.
Cleveland.com · +3 outlets
Texas Senate odds show Talarico's lead growing as polls and prediction markets diverge
Markets put Talarico at roughly 66% on Kalshi while surveys and betting sites disagree on the race's margin.
Federal News Network · +14 outlets
Polls vs. prediction markets: divergent signals in key Senate races ahead of midterms
Several battleground Senate contests show gaps between polling averages and market-implied probabilities.
Action Network · +10 outlets
Trump approval falls to record-low 31% as midterm odds shift on Kalshi
The president's approval reading and associated market pricing come as both parties position for the midterms.
Action Network · +3 outlets
Wisconsin radio host sues state over election betting ban, second such challenge
Regular Joe Giganti's suit over Wisconsin's ban on Polymarket election wagers is the second legal challenge to the state's prediction market restrictions.
RG.org · +3 outlets
Senate control odds show Democrats gaining in Ohio and North Carolina polls
Markets tracking the chamber's balance of power moved on fresh polling out of two key states.
Action Network · +14 outlets
Utah attorney general sues Kalshi over sports and election betting
Utah becomes the latest state to bring legal action against the prediction market operator over its event contracts.
insidebitcoins.com · +13 outlets
Polymarket sues Ohio as state threatens prediction market litigation
Ohio regulators and Polymarket are heading toward a legal showdown over election and sports event contracts.
DeFi Rate · +8 outlets
Canada tightens prediction market rules as Polymarket draws $500k in Toronto election trading
Canadian regulators are moving on event contract oversight while Toronto's mayoral race attracts significant Polymarket volume.
Casino.org
Study finds prediction markets can skew voters' expectations ahead of midterms
Research raises concerns that election betting odds may influence how voters perceive races rather than merely reflecting them.
WRAL · +6 outlets
DraftKings expands deeper into election trading
The sportsbook operator is leaning further into event contracts on political races, a market dominated by Kalshi and Polymarket.
The Closing Line · +14 outlets
Forecasters publish 2026 midterm models: Silver Bulletin's FLIPR and FiftyPlusOne
Statistical forecasters and markets continue to issue competing projections for House and Senate control.
Silver Bulletin · +8 outlets
Michigan Senate odds tracked after final debate
Market pricing on Michigan's Senate race shifted following the candidates' last debate.
Federal News Network · +14 outlets
Florida, Texas, Ohio and other state races: who leads in prediction markets
Forbes published state-by-state prediction market leaderboards covering key 2026 contests across more than a dozen states.
Forbes · +14 outlets
Georgia midterm odds: Ossoff, Bottoms and Jackson markets
Georgia's Senate and statewide races are drawing active prediction market interest.
Covers.com
Brazil election odds vs. polls ahead of Sunday's presidential runoff
Markets and surveys disagree on the favorite heading into Brazil's runoff vote.
Action Network