Polymarket halts international trading after third-party vendor breach, resumes and repays users
A compromised third-party script drained roughly $2.5M-$2.7M from Polymarket users, forcing a pause on international trading and relayer operations before the p
Reuters · +15 outlets
Polymarket investigates suspicious last-minute bets on Israeli election outcome
New accounts placed large late bets on a Netanyahu win, prompting Polymarket to open a probe that highlights the difficulty of forensic tracing on-chain.
Menafn · +14 outlets
Sens. Warren and Curtis press Kalshi and Polymarket on election insider-trading safeguards
A bipartisan pair of senators asked the two prediction markets to disclose how they police insider trading ahead of the midterms.
CoinMarketCap · +6 outlets
Polymarket and Kalshi face their biggest accuracy test: the 2026 midterms
With prediction market odds diverging from traditional forecasters, both platforms are under scrutiny over whether their pricing will hold up on election night.
The New York Times · +14 outlets
Kalshi and Polymarket data show Democrats favored for House and Senate in 2026
Market pricing on 12 key Senate races currently points to Democratic control of both chambers.
Benzinga · +14 outlets
Polymarket taps Palantir to police sports prediction markets
The partnership aims to detect manipulation and suspicious activity in Polymarket's sports contracts.
CoinMarketCap · +6 outlets
DraftKings CEO positions sportsbook as rival to Polymarket and Kalshi
The CEO cited "extraordinary" upside in the prediction market space as DraftKings moves to compete directly with the two leading platforms.
BeInCrypto · +14 outlets
NFL forces Eagles RB Saquon Barkley to divest his Polymarket stake
League rules bar players from holding interests in betting-related businesses, pushing Barkley to unwind his position.
Casino.org · +14 outlets
Polymarket launches 15-minute gold and silver markets with Chainlink as oracle
Polymarket expanded into high-frequency commodities and crypto up/down contracts, using Chainlink as the official price oracle.
Crypto News · +13 outlets
Crypto market reels as Binance and Polymarket breaches freeze over $2B in funds
Back-to-back security incidents at Binance and Polymarket prompted stablecoin issuers to freeze billions in stolen assets, testing crisis communications across
DesignRush · +1 outlets
Report questions whether Kalshi's valuation really approaches $40bn
A weekly prediction market review examines the basis for Kalshi's reported valuation amid rapid growth in the sector.
SBC Americas
CNBC examines suspicious election-contract trading on prediction markets
The report traces questionable wagers on political contracts, adding to scrutiny of how the platforms guard against insider trading.
CNBC · +2 outlets
Polymarket trader turns $676 into $67K after UFC announcement error
A pricing mistake on a UFC market let one trader score a large payout before the platform corrected the listing.
CoinMarketCap · +1 outlets
Comparison guides weigh Kalshi vs Polymarket for US prediction market users
Outlets published side-by-side breakdowns of fees, markets and usability as competition between the two platforms intensifies.
USA Today · +14 outlets
Bleacher Nation explains Polymarket's legal status in Illinois for 2026
State-level access rules continue to shape which US users can trade on the platform.
Bleacher Nation
Polymarket Review 2026: Is The Prediction Market App Legit?
A platform review assesses whether Polymarket remains trustworthy following its security incident.
NEXT.io · +12 outlets
Oddschecker guide covers tax treatment of prediction market winnings
The explainer outlines how Kalshi and Polymarket payouts are taxed, a recurring question as US volumes grow.
Oddschecker
CBS Sports posts prediction market picks for college football and NFL slates
Sports desks continued to publish Kalshi and Polymarket picks and odds trackers tied to weekend matchups.
CBS Sports