Google security engineer charged with making $1M on Polymarket using inside information
The case is the highest-profile insider trading charge tied to a prediction market platform and comes as regulators scrutinize event contracts.
CNBC · +12 outlets
CFTC proposes classifying event contracts as swaps while excluding casino-style gambling
The rulemaking would reshape how Polymarket and Kalshi are regulated and is the clearest signal yet of the agency's stance on event contracts.
ForkLog · +14 outlets
Kalshi says it is adding new security measures to fight insider trading
Platforms are racing to shore up surveillance as insider trading allegations mount across sports and political markets.
CoinMarketCap · +13 outlets
Army special forces soldier pleads not guilty to $400K Maduro raid bets, Trump calls world a 'casino'
The prosecution tests whether trading on classified military knowledge counts as insider trading on prediction markets.
PBS · +13 outlets
Kalshi seeks $40B valuation, widening lead over Polymarket
A $40B raise would cement Kalshi's dominance in US prediction markets, where it holds roughly 89% share.
CoinMarketCap · +10 outlets
US senators push bill to ban sports betting on prediction markets
The legislation targets the sports contracts that have driven much of the platforms' recent volume growth.
CoinMarketCap · +14 outlets
NFL joins Supreme Court fight over prediction markets and betting oversight
The league's filing adds sports-industry weight to the legal battle over whether event contracts fall under gambling rules.
Bonus.com · +14 outlets
Polymarket hackers drain $2.9M from user wallets, funds to be refunded
The theft highlights custody and security risks as prediction market volumes grow.
CoinMarketCap · +2 outlets
Bets on midterm endorsements, rallies and dropouts raise insider trading concerns
Political event markets face scrutiny over contracts that could be gamed by campaign insiders.
WQOW · +7 outlets
Senator who sought to ban prediction markets hired by Kalshi as a lobbyist
The hire illustrates the revolving door between prediction market platforms and the lawmakers who oversee them.
Futurism · +14 outlets
Blockchain.com seeks CFTC approval to launch US prediction markets and crypto derivatives
New entrants are pursuing regulated US event-contract venues as incumbent volumes and valuations climb.
Crowdfund Insider · +14 outlets
Polymarket gives Democrats 62% odds of a midterm sweep, CLARITY Act seen in jeopardy
Market odds are being read as a signal on the fate of crypto-related legislation in Washington.
Cryptonews.net · +4 outlets
Nevada senators push to rein in wildfire betting after California fires drew $1.3M in wagers
Nevada gaming tax revenue tied to prediction markets is also at risk as state and federal scrutiny widens.
KTNV Las Vegas · +2 outlets
Kalshi and Polymarket August volume drops 15%, first monthly decline since 2025
The pullback marks the first interruption in a long stretch of growth for prediction market platforms.
CoinMarketCap · +6 outlets
Polymarket prices bitcoin fall to $80,000 in October at 63%
The contract shows traders assigning sizable odds to a near-term crypto drawdown.
www.tokenpost.com · +5 outlets
Polymarket odds show bitcoin crash below $70K as more likely than a move above $100K
Downside contracts are drawing more interest than upside as traders price a weaker crypto outlook.
Blockchain News · +7 outlets
Nobel Peace Prize goes to Navi Pillay, surprising Polymarket traders in $32M market
The miss highlights how thinly priced geopolitical contracts can be caught off guard by surprise outcomes.
Bitcoin News · +4 outlets
US pro sports leagues split on prediction markets as NBA move draws focus
Leagues are weighing partnerships and legal challenges as event contracts look more like sports betting.
디지털투데이 · +1 outlets