How high can the Pound go on a Brexit deal?

Pound to soar to 1.50 on Brexit deal?

This is the view of Aberdeen Standard Investments who see the GBP climbing to 1.5000 on the GBP/USD.. A 15% gain. See Reuters Article here.

That level would be a return to the pre-Brexit referendum exchange rate and I would say that does seem fair value. The only question is Deal or No Deal.