Pound traders are about to get their first insight into how the currency may fare in the next phase of the Brexit talks as negotiators move on to the potentially more complicated stage of discussing trade.
Sterling may be vulnerable as UK Prime Minister Theresa May meets with her cabinet ministers tomorrow to begin mapping out what they want Britain’s future trade relationship with the European Union to look like. 
Meanwhile, with May under pressure from businesses to secure a transition period for when the nation leaves the bloc, the European Commission is planning to unveil its latest stance on the issue on Wednesday.
Following her defeat at the hands of her own party in trying to prevent an amendment to legislation that grants lawmakers a meaningful vote on the final Brexit deal, May faces another knife-edge session in Parliament this week on her plans to put a specific leaving date into law. 
If that wasn’t enough to contend with, there is acknowledgement among leaders, including the German Chancellor Angela Merkel, that the next stage of the UK-EU negotiations will be even harder than the first.
“These are going to be the things that are very dominant for sterling - whether or not there’s going to be more tension in May’s government, whether or not there’ll be tensions with the EU,” said Jane Foley, head of foreign-exchange strategy at Rabobank International in London. “The bones of negotiations will be of particular interest.”
Sterling posted a second weekly decline, falling 0.6% to $1.3313 in London on Friday. Against the euro it was down 0.8% on the week at 88.43 pence. Ten-year gilt yields dropped 13 basis points to 1.15%, touching their lowest level in three months.
Hard-line proponents of Brexit may choose this week’s cabinet meeting as a further opportunity to try and impose their vision of trade with the EU, with a sudden exit still a possibility, according to Foley.
“Sterling is still carrying a premium reflecting risk of a hard Brexit,” she said. “Over the next two months, the tone will be set.”
Meanwhile, data that may drive the currency this week include consumer confidence numbers on Thursday, and gross- domestic-product and current-account statistics on Friday.
Investors may also scour comments from Bank of England Governor Mark Carney on his latest thoughts on Brexit when he answers lawmaker questions at Parliament’s Treasury Committee along with other BOE financial-stability officials on Wednesday. The central bank kept its key rate on hold on Thursday and maintained a cautious outlook.