It looks like the average was around 35%: http://predictwise.com/politics/uk-politics http://predictwise.com/politics/uk-politics Interestingly the odds went do

It looks like the average was around 35%: http://predictwise.com/politics/uk-politics http://predictwise.com/politics/uk-politics Interestingly the odds went down pretty sharply as the election came closer, but it is not really fair to pick the lowest odds when evaluating how good the predictions were. But even 15% odds are not really all that unlikely, about a 1 in 6 chance. It isn't as though pundits were predicting leave.