A major gambling website says nearly all wagers on the presidential election in the last 48 hours have been on Donald Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE to win.

Irish bookmaker Paddy Power on Tuesday said 91 percent of bets on the election in the last two days have been backing Trump, the Republican nominee.

In the past 48 hours, 91% of bets on the US Election have been on Trump. He's into 9/4. And we've already paid out on Hillary. Uh-oh. pic.twitter.com/pGEkHMbrF2 — Paddy Power Politics (@pppolitics) November 1, 2016

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“We’re not reaching for the rosary beads just yet but if money talks, and it usually does, it’s telling us that Trump still has a puncher’s chance and he’ll be leaving us with some very expensive egg on our face if he does manage to pull it off," spokesman Féilim Mac An Iomaire said in a statement.

Paddy Power announced earlier this month that it was paying out bets on Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE winning the White House, calling her a "nailed-on certainty to occupy the Oval Office."

“Trump gave it a hell of a shot going from a rank outsider to the Republican candidate but the recent flood of revelations have halted his momentum and his chances now look as patchy as his tan,” Iomaire said earlier this month.

“Recent betting trends have shown one way traffic for Hillary and punters seemed to have called it 100% correct. Despite Trump’s Make America Great Again message appealing to many disillusioned voters, it looks as though America are going to put a woman in the White House.”

But the race has tightened in the last week in the wake of FBI Director James Comey's letter to lawmakers telling them the agency would be reviewing newly discovered emails "pertinent" to its investigation into Clinton's use of a private email server while secretary of State.

Democrats have been ramping up calls for the FBI to release more details about the new email review ahead of the presidential election, which is just six days away.

Clinton has a narrow 1.9-point lead over her Republican rival nationally, according to the RealClearPolitics average of polls.