Polymarket US Volume Surges 266% Amid Ongoing Regulatory Scrutiny
Polymarket’s US exchange saw trading volume jump to $14.77 bn in October, a 266% rise since June, while the platform faces multiple federal and state investigations.
Naomi Johnson791
Polymarket is a US‑based prediction‑market platform that lets users trade on real‑world events. Recent stories show its trading volume jumping dramatically even as it confronts multiple investigations by the CFTC, state attorneys general and congressional committees.
Polymarket’s US exchange saw trading volume jump to $14.77 bn in October, a 266% rise since June, while the platform faces multiple federal and state investigations.
Naomi JohnsonPolymarket saw Kai Cenat’s marathon odds jump 58 percentage points, while Fed rate expectations also rose sharply.
Kirill SagitovA Polymarket account that earned about $1 million on Dortmund’s Champions League win saw that profit erased by $1.13 million in losses on Sunday’s Manchester United and Barcelona matches.
Ayu PramestiTraders on Kalshi and Polymarket pushed odds for UFC boss Dana White becoming Trump’s press secretary below 20 cents after the president said the offer was a joke.
Naomi JohnsonSenator Elizabeth Warren plans to use her upcoming Senate Banking Committee chairmanship to increase regulation of prediction‑market platforms and election‑betting services.
Naomi JohnsonBitcoin’s chance of topping $76,000 on Nov 9 fell sharply while Ethereum odds rose to 65% amid $1.4M volume.
Kirill SagitovBenjamin Cowen links the current equity sell‑off to a historic fourth‑quarter cycle, warning that Bitcoin could fall to a $44,000 floor within months.
Polymarket saw Pete Hegseth impeachment odds jump 19 points to 67% and a sharp dip in US‑Iran meeting odds.
Kirill SagitovPolymarket and Kalshi traders assign over half probability to Bitcoin slipping to $70,000 by Dec. 31, while odds of a $100,000 rally shrink to single‑digit levels.
Puffpaw FDV odds jumped 40 percentage points to 83% with $65K volume.
Kirill SagitovEthereum odds fell from 90% to 6% in a single day, the sharpest move on Polymarket today.
Kirill SagitovA high‑volume Polymarket trader profited $62,715 betting against a Republican win in Texas, while Elon Musk mocked his own $250 million political spend.
Major film studios and production firms have issued new policies prohibiting staff from wagering on insider information via prediction‑market platforms.
Bitcoin odds fell from 94% to 4% in a single day, the sharpest move on Polymarket today.
Kirill SagitovKalshi traded $4.15 billion in notional volume on Nov. 3, its highest weekday volume yet but still short of the $5.3 billion record set on Oct. 24.
Polygon validators are set to vote on a hard‑fork that would move 70.49 million stolen POL tokens from attacker wallets to recovery wallets controlled by Binance and Polymarket.
Mississippi Senate market fell 78 percentage points to 9% with $2.0M volume.
Kirill SagitovA Polymarket trader named “colombiaman” bought nearly 2.9 million shares betting Republicans will keep both chambers, positioning for a $3 million payout if the unlikely outcome occurs.
A Polymarket user turned a $2,475 stake into roughly $118,500 by purchasing Cardinals moneyline shares with under four minutes left, then hedging through the game’s finish.
Prediction markets Polymarket and Kalshi give Democrats a 74‑78% chance of controlling both chambers in the 2026 midterms, echoing traditional pollsters.
Bitcoin could bottom between mid‑November 2026 and mid‑January 2027 if the recent midterm cycle pattern repeats, analysts say.
Bipartisan senators have issued a formal inquiry to prediction market leaders, demanding details on how they prevent insider trading and manipulation ahead of the upcoming midterms.
Polymarket paused its international platform on Oct. 29 after a compromised third‑party script drained millions of POL tokens, then reopened trading and pledged full reimbursement.
Polymarket is a blockchain‑based prediction‑market exchange where users buy and sell outcome‑based contracts on events such as sports, politics and finance.
Federal regulators and state attorneys general have opened investigations into its sports‑betting contracts and election‑related markets, and Congress is considering new oversight rules.
In October 2026 the platform recorded $14.77 bn in US trading volume, a 266% increase from June 2026.