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“Recent launches, including customizable same-game parlays (SGPs), further support our view that Prediction Markets (PM) are increasingly converging with traditional sportsbooks,” observes Macquarie analyst Chad Beynon. “As a result, we now estimate total US PM taker volume to reach $190 billion in 2026E (vs $169 billion prior).”

If the research firm’s $190 billion taker volume estimate proves accurate, it’d represent a more than eightfold increase from the $22 billion taker turnover seen last year.

Potentially boding well for the Macquarie forecast are at least two factors. First, there are signs of turnover increases across a variety of yes/no exchanges. Second, volume surged to start September with those spikes arriving even before the NFL season kicked off.

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Far fewer travelers are arriving in the casino town by air this year. Harry Reid International Airport reported 30.2 million passengers through July—a 6.9% drop from the same period in 2025—with international traffic down nearly 9%.

The LVCVA and Harry Reid International Airport have not yet released their August reports. Truist Securities analyst Barry Jonas isn’t expecting a major rally.

Jonas projected on Friday (Sept. 18) in his Las Vegas room survey a soft third quarter. Jonas said Q3 rates for Las Vegas Strip casino rooms are “mostly lower,” with MGM Resorts rooms down 9% and Caesars Entertainment down 11%.

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His analogy is a poker table at which the weaker participants sustain the game. If those players disappear, the fourth-best professional at the table can suddenly become a loser because only the three strongest remain.

The US addressable market is vastly larger and customer recruitment remains strong. Marantelli says Kalshi increased its number of clients fivefold during the World Cup, while White Swan predicts that NFL prediction markets could generate between $5 billion and $7 billion of liability in a single week.

But he acknowledges the possibility that faster customer losses could eventually test the sustainability of the model.