GBP/JPY shorts were the best trade in May 02-Jun-19 07:46 am AnalysisAnalysis, Forex Anirudh Sethi The pair fell nearly six percentGBP/JPY crumbled in May.The pair fell to 136.95 from 145.26 at the open of trading on May 1. That’s the worst month for the pair since Brexit in 2016.