When the UK decides to rejoin the EU, the pound will appreciate overnight by 10+% because of the boost to the economy brought about by, once again, being a part of the world's largest trading bloc. The pound will then increase to an all-time high vis-a-vis the baht within 6 months.
(Please read the post to which I am replying before making any 'opinion not fact', 'predict the future', etc. replies?)