From the current news articles circulating, I don't think the Leave campaign expected a win. It could be selection bias of the interviewers though. I'm glad my pension is not tied closely with Britain or the pound; maybe it's a good time to buy some International index fund units.
This is an interesting before/after talking point comparison (
http://nyti.ms/291ivB2)
There seems to be no rush to do anything, and maybe not make any changes with regard to those contentious issues after all.
I guess we will see how binding the British Parliament decides this referendum was.