On a huge day of political betting a no deal Brexit on March 29th move from a 12% chance to 22% in fourteen hours On a huge day of political betting a no deal Brexit on March 29th move from a 12% chance to 22% in fourteen hours 20/3/2019 Mike Smithson Comments 0 Comment Betdata.io chart of movement on the Betfair exchange The other big market movement today Mike Smithson Follow @MSmithsonPB Tweet