Crispin Odey has been betting against the pound and stocks exposed to the British economy

A Brexiteer hedge fund manager proclaimed a good day at the office last night as market fears that Britain could crash out of the EU without an agreement sent the pound tumbling.

Crispin Odey, the investment tycoon, said that mounting concern over the future of Theresa May’s fragile premiership had boosted his funds as shares in British banks, retailers and housebuilders fell sharply.

“I have had a good day,” he told The Times. “Bad days tend to be good days for us.” Mr Odey has been betting against the pound and stocks exposed to the British economy. Criticising Mrs May’s Brexit deal, he said that the prime minister “has given an O-level answer to an A-level question”.

Mr Odey said the firm’s flagship Odey European