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Van Bruggen told the gambling committee that both Meta and Google were open to maintaining a dialogue with the government on this.

She said the government would receive a report every six months on illegal gambling advertising across these platforms. 

The KVA’s statement mirrors a broader European regulatory trend where authorities are increasingly scrutinising how major internet platforms facilitate traffic to unlicensed gambling services.

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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.

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The drafting of the text is reportedly in the hands of the Civil House, with some believing that it serves an electoral purpose, meaning Lula potentially riding the wave of criticism against the sector.

The Brazil betting industry has faced increasing scrutiny of late over claims that families are falling into debt because of gambling.

The president is not seeking to introduce the measures through a full bill, as the legislative process in Congress could reduce their immediate political impact ahead of the elections.