Cable has strengthened notably in the last week or so as Cameron and Osborne unleashed phase 2 of “project fear” and ‘some’ Brexit polls suggested market fears of a ‘leave’ decision were overblown. However, the broad polls still show the decision is too close to call, which is why the news from Ladbrokes – Britain’s largest bookmaker – that they have seen a sudden surge in Brexit bets in the last few days.