A woman lost £100,000 after betting on the UK to remain in the EU in June

William say she is a regular gambler but has never bet on politics before

She will win £180,000 should Hillary Clinton triumph over Donald Trump

A woman has placed a 500,000 euros bets on Hillary Clinton to win the US presidential election in what is probably the biggest political wager in history.

The gamble, which is the equivalent to £450,000, was with British bookies William Hill who placed the Democratic party nominee at 4-11 to win the race to the White House.

Should Clinton triumph over Donald Trump and become the first female president the unidentified woman will accrue £180,000 in winnings.

Should Clinton win, the wager could net the woman £180,000 although William Hill say it is hard to predict which way the election will go

illiam Hill spokesman Graham Sharpe told the Mail Online that the woman is 46-years-old, a regular customer, had never placed a political bet in her life and had made the gamble in EUROS.

Mr Sharpe wouldn't divulge any further information on the bettor.

'As far as we are aware the Clinton bet is the biggest wager ever taken on either the US presidential, or the UK general elections.

'As a result of taking this bet a win for Donald Trump has now become a favoured bet for us,' he told the Times.

Competition: Trump could cause an upset in the election and lose the bettor 500,000 euros

Mr Sharpe did have a warning for those who had bet on a Clinton victory citing the rise anti-establishment politics.

'At the moment, political outsiders are on a roll, coming off the back of the European referendum, the Tory general election victory in the first leadership campaign, which was a 200-1 long shot at one point.'

'Maybe those who have backed Hillary should be aware of that.'

Soon after the bet was placed the bookmaker slashed the odds on a Clinton victory to 1/3.

While odds on Republican party candidate Trump were lengthened from 9-4 to 5-2.

The immediate cutting of Clinton's odds proves a reminder that prices set by bookies don't necessarily reflect the chances of victory but only how companies hope to make the most profit or lose the least amount of cash.

Soon after the bet was placed William Hill slashed the odds on a Clinton victory to 1/3

One unlucky woman lost £100,000 to William Hill after betting big on the UK to remain in the European Union.

They also said a London woman bet £10,000 on a Leave vote at odds of 11/4, meaning she made a profit of £27,500.