While polls show the presidential race between the former in 2024 President Trump and Vice President Harris is neck-and-neck ahead on Election Day, the GOP nominee is heavily favored to win in almost all betting markets.

Traders on the crypto-based Polymarket, the largest prediction market, saw Trump as of Monday afternoon with a 58.1% chance of taking back the White House, compared to Harris’ 41.9%.

Republican presidential candidate, former US President Donald Trump, gestures as he walks onto the stage for a campaign rally on October 12, 2024 in Coachella, California. (Mario Tama/Getty Images/Getty Images)

On the US platform Kalshi, traders saw that Trump had a 55% chance of victory, compared to Harris’s 45%.

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According to every prediction market tracked by RealClearPolitics, Trump is also expected to win. The RCP betting data collectively gives the former president a 57.9% chance of winning the election, compared to Harris’ 40.7%.

Vice President and Democratic presidential candidate Kamala Harris speaks during a campaign rally in Charlotte, North Carolina, on November 2, 2024. (CHARLY TRIBALLEAU/AFP via Getty Images/Getty Images)

However, there is one notable exception. Bettors on PredictIt were slightly in favor of Harris, giving the vice president a 55% chance of winning, compared to 53% for Trump on the eve of Election Day.

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Critics argue that election-based betting markets pose a threat to democracy, but proponents argue that they are a better gauge of the outcome of a race than opinion polls.

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The latest NBC News national poll released this weekend showed Trump and Harris in a dead heat, both favored by 49% of Americans, with 2% of voters saying they are still undecided.