Polymarket paused trading after a compromised third-party provider let attackers drain user accounts, with traces of roughly $2.65 million in outflows, and said

Utah escalated its fight with Kalshi by charging the company and executives, including its CEO, with promoting illegal gambling, setting up a state-versus-feder

The funding round vaults Kalshi to a $40 billion valuation and comes as the venue expands beyond sports into financial and event contracts, with investors specu

The federal regulator's lawsuit argues event contracts fall under federal jurisdiction, a direct challenge to Utah's criminal case and part of a widening battle

The securities regulator is watching event contracts for fraud and manipulation, signaling another front in the regulatory pressure facing Polymarket and Kalshi

The investigation follows unusual betting patterns around the Israeli vote, part of rising scrutiny of whether prediction market traders have non-public informa

A compromised third-party vendor let attackers drain funds from hundreds of Polymarket accounts, forcing a roughly one-hour trading halt on the international pl

The CFTC is again examining whether Polymarket violated the terms of its $1.4 million 2022 settlement barring US users, as a related VPN insider trading case he

Polymarket opened a probe into unusual bets tied to Israel's election after market activity suggested traders may have had advance information.

lawmakers asked the two prediction markets for details on how they police election-related contracts, adding congressional pressure to an already active regulat

The move extends Polymarket beyond crypto and events into high-frequency commodity and equity-style products, intensifying competition with traditional venues.

The league partnered with both exchanges under CFTC safeguards even as scrutiny of insider trading in prediction markets grows.

Utah alleges Kalshi and two co-founders promoted illegal gambling through undercover bets, escalating the fight over who can regulate prediction markets.

Federal regulators argue Utah's total ban is preempted by CFTC jurisdiction over event contracts, opening a federalism clash over prediction markets.

Kalshi and Polymarket are going on offense in court against state sports-betting and gambling laws even as several states move against them.

The league's deals with both platforms bring regulated prediction markets into NBA programming amid insider-trading concerns.

Mansour defends prediction markets as distinct from gambling and unveils new customer protections amid mounting lawsuits and Democratic scrutiny.

The deposit limit is Kalshi's response to studies on losses among young traders and to criticism that prediction markets target minors.

The clash between state gambling regulators and the CFTC over event contracts has escalated into criminal charges and federal litigation, testing who governs el

The New York Times reports the venues have become a major venue for US election trading as midterm volume and attention surge.

Congressional scrutiny of event contracts adds a federal political dimension to the states-versus-CFTC fight over election betting.

The internal review follows reports of anomalous activity on Israeli election contracts, drawing fresh attention to market integrity.

The proposed state ban would bar Kalshi and Polymarket election contracts in Ohio, adding to a growing set of state-level restrictions.

Markets repriced sharply as votes tallied and no clear winner emerged in the prime minister race.

The round values the private exchange at roughly the level of major exchange groups, funding its push into crypto and stock perpetual futures.

The federal suit aims to establish CFTC exclusivity over event contracts, while Utah prosecutors separately charged Kalshi's co-founders with felony gambling co

Operators are challenging state-level bans and orders in federal court as the jurisdictional fight over event contracts widens.

Event contracts logged 16.4 billion trades and a new $100M-plus business line, but falling crypto revenue and tighter spreads drove the stock down.

The league's partnership legitimizes regulated event contracts around its games and includes a memorandum with the CFTC.

The national ban adds Brazil to the growing list of jurisdictions restricting access to prediction market operators.

The federal suit seeks to halt Utah's parallel case against Kalshi, escalating the state vs federal battle over whether event contracts are CFTC-regulated deriv

Utah charged Kalshi and CEO Tarek Mansour and COO Luana Lopes Lara with felonies over sports event contracts, raising the legal risk profile for prediction mark

Kalshi's filings argue state regulation of its event contracts is preempted by federal commodities law, widening its multi-state litigation campaign.

Polymarket will withdraw Michigan sports contracts, a concession that shows state gaming regulators can still force prediction markets to retreat.

The league named both exchanges preferred partners and signed an MOU with the CFTC on market integrity, a notable sign of institutional acceptance for predictio

Polymarket's suit against Louisiana adds a second exchange to the state-level legal front over who regulates event contracts.