Certainly, there is more shaping sterling’s value than just the Brexit debate. However, in the UK bookmakers have a better track record on calling political votes than the opinion polls, with last year’s General Election a good example. The pollsters concede there is disparity between the results they receive in surveys conducted via the internet compared to telephone polling. Moreover, a poll last week for The Daily Telegraph estimated remain’s share of the vote at 55%.
Source : Knight Frank