Legendary Rome

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Just eight years after the state of New Jersey successfully petitioned the US Supreme Court to repeal the Professional and Amateur Sports Protection Act, which opened the floodgates of sports betting expansion across the country, the Garden State has again petitioned the high court, this time to defend its sports betting jurisdiction against the rise of prediction markets and sports event contracts.

On Wednesday, New Jersey Attorney General Jennifer Davenport announced that her office had filed a petition for writ of certiorari following an appeals court verdict from earlier this year that went in favour of prediction markets. That 2-1 verdict from the Third Circuit Court of Appeals was handed down in April, and New Jersey had until Thursday to petition the high court.

The petition poses the question of whether the Dodd-Frank Wall Street Reform and Consumer Protection Act, which was enacted in 2010 in the aftermath of the Great Recession, “preempted states from regulating sports bets that occur within their jurisdictions if those bets are offered on markets registered with the Commodity Futures Trading Commission”. Prediction markets have argued that their event contracts are financial derivatives regulated by the CFTC whereas many states contend that they are simply sports bets by another name.

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During a Gambling Committee debate on Thursday the Dutch House of Representatives vowed to make enforcement on illegal sites faster and tougher.

The three-hour debate on the Dutch gambling sector centred on a number of issues, including the illegal market, advertising and the legal age limit of 18.

Ten committee members, spanning the full political spectrum, addressed a number of research papers, sector activity reports and Justice State Secretary KT van Bruggen’s April 2026-dated letter, assessing the risks of gambling, and acknowledging the KSA’s estimation that channelisation had dropped below 50%.

What is Legendary Rome?

The investment banking and capital markets firm Jefferies said in a September report that sports had become prediction markets’ “most important liquidity driver”, with combo and parlay-style contracts accounting for an increasing share of activity. But the analysts cautioned that prediction markets are scale businesses with relatively low revenue yields, leaving their economics dependent on sustained liquidity, engagement and trading activity.

James Monk, founder of sports data and streaming provider Catalist Sports, has witnessed that dependence directly. Catalist supplies ITF tennis data to Kalshi and Polymarket and has an exclusive US sports-streaming agreement with Kalshi.

The company must also provide data to the firms making markets on those events.