This 3 June 2019 video from the USA says about itself:
By Luke James in Britain:
Bookies pay out early after Trump Super Tuesday wins
Thursday 3rd March 2016
One politically savvy punter scooped £16,400 last June after placing a £400 bet at 40/1 when the then-outsider Mr Trump launched his campaign.
A spokesperson said: “Since 1988 the candidate to clean up on Super Tuesday has always gone on to win their party’s nomination.
Paddy Power says it already stands to lose £1 million if he becomes president, but the figure could double or triple by the time of November’s election.
Polling stations have been set up in London, Edinburgh, Oxford and Cambridge.
London organiser Eric Lee said: “Americans living abroad are far more likely to welcome ideas like single-payer health care or tuition-free higher education, and are not scared by Sanders’s use of the words ‘democratic socialist’.”