It’s election day and while both candidates may be neck-and-neck in the polls, betting sites are showing a clear preference for one Republican victory.

Polymarket, a blockchain-based gambling platform, has given permission Donald Trump a huge lead of 38 points Kamala Harris from 8:30 a.m. eastern time, according to a review published by Forbes.

Other sites such as Kalshi, Predict It, Robinhood and Interactive Brokers also favor a Trump victory, with percentages of 59, 51, 58 and 60 respectively.

Overall, these numbers give Republicans a 58.5% chance of beating the Democratic Party in today’s polls, according to the aggregated counting tool. Election betting.

Prediction markets, as sites that allow betting on the outcomes of various real-world events are also known, have become something of a controversial topic in recent weeks.

Some experts have raised concerns about the potential opportunities pushing these platforms into muddy electoral waters, with predictions based on perceived investment opportunities rather than a broader view of political developments. The flow of money, especially from foreign entities, can distort the results.

Polymarket, itself the world’s largest prediction market, has come under scrutiny after it emerged that a single Frenchman had bet more than $45 million on a Trump victory, pushing the Republican candidate’s odds to 66%.

Nevertheless, the site has received rave reviews from Trump’s most outspoken and perhaps most controversial backer: Elon Muskwho has praised prediction markets for being “more accurate than (traditional) polls because there is real money at stake.”

Billionaire investor and former Trump critic Mark Cubanhas instead taken aim at the site, pointing out that US citizens are technically prohibited from trading on the platform, and that “foreign money” is an unreliable predictor of the course of political events in the US.

Rajiv Sethi, an economist at Columbia University’s Barnard College, also warned in an interview with Bloomberg that deep-pocketed gamblers from abroad could throw money away in Trump’s favor.

“There is no reason why the price resulting from their mutual activity will somehow produce an accurate forecast,” Sethi said.

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