Polymarket Archives

Volume Report

Kalshi Sets $17.9B Record May as World Cup Lifts Polymarket US to Weekly High

Kalshi closed May with $17.91 billion in notional volume, its ninth consecutive monthly record and a 21% jump from April’s then-record $14.81B, according to DeFi Rate’s...

Valerie Cross

June 8, 2026

US Elections

Rubio Closes on Vance in 2028 GOP Nomination Market After Trump Comments

Prediction markets show Marco Rubio closing sharply on JD Vance after fresh comments from Donald Trump in the 2028 Republican primary...

Pat Evans

June 5, 2026

US Elections

Murphy Upsets Prediction Markets in New Jersey GOP Senate Primary

Justin Murphy stunned prediction markets in New Jersey’s GOP Senate primary, defeating an 80% favorite as traders poured more than $600K into a race with little impact on...

Pat Evans

June 4, 2026

US Elections

Prediction Markets See Bass-Pratt Runoff Taking Shape For Los Angeles Mayor

Prediction markets favor a Karen Bass–Spencer Pratt runoff in the Los Angeles Mayor race. Despite Pratt's surge, traders still give Bass a commanding 75% chance to win...

Pat Evans

June 3, 2026

US Elections

Prediction Markets Still Favor Becerra as California Primary Count Drags On

As California governor primary votes continue to be counted, Xavier Becerra remains the frontrunner at prediction markets with odds at 77-81% to be the next Golden State...

Pat Evans

June 3, 2026

Legal News & Updates

Congress Members Call on Inspector General to Review CFTC Regulatory Practices

Letter mentions CFTC’s “posture concerning prediction markets” in request for investigation into the agency’s compliance and resource...

Derek Helling

June 3, 2026

Industry

Polymarket Trader Loses $500K After Rules Change on Microstrategy BTC Market

A $175 million Polymarket market on MicroStrategy's Bitcoin holdings resolved against traders after the platform posted a late rules clarification, reigniting questions about whether its...

Valerie Cross

June 2, 2026

Platner scandal odds steady Maine senate

US Elections

Platner Scandal Barely Moves Maine Senate Prediction Market Odds

Prediction markets tighten but still favor Democrats in Maine, with Platner holding 60-65% odds despite a recent texting...

Pat Evans

June 1, 2026

US Elections

Montana Senate Race Tests Whether Prediction Markets Are Underpricing Seth Bodnar

Prediction markets give Republicans a 74% chance to win Montana's open Senate seat, but polls suggest independent Seth Bodnar may be more competitive than traders expect heading into the...

Pat Evans

June 1, 2026

US Elections

NJ GOP Senate Primary Attracts Trading Volume Despite Strong Democratic Hold Odds

Polymarket traders have wagered nearly $440K on New Jersey's GOP Senate primary, while prediction markets continue to price Democrats as overwhelming favorites to hold Sen. Cory Booker's...

Pat Evans

May 29, 2026

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