Red-Man-Walking
Fully Erect
Is the strength of the pound really relevant at this point?
My knowledge is super limited but my understanding is you buy/sell at the drop of a hat based on any market intelligence and traders are quick to do so, particularly if there's uncertainty/lack of confidence which there would be right now. It would recover, no?
If Britain leave the EU then a period of "uncertainty" would last at least months if not years as the mechanics and issues it would create around border control, Northern Ireland, EU subsidies for farmers, and god knows what else will take some time to sort out.