London (CNN Business) Trying to get a handle on where the British pound is headed? Good luck with that.

UK lawmakers are widely expected to reject the divorce deal with the European Union negotiated by Prime Minister Theresa May on Tuesday. The only real question is the margin of the loss.

Jochen Stanzl, an analyst at CMC Markets, said the pound could weaken in the immediate aftermath of a defeat to $1.24. The currency dipped 1% ahead of the vote to near $1.27.

Money transfer company TransferWise said it would limit users to moving £10,000 ($12,840) in or out of the United Kingdom on Tuesday because of the "higher likelihood of exchange rate volatility."

Yet there is a "silver lining" for the pound, according to Societe Generale strategist Kit Juckes. A defeat for May increases the chances that Brexit will eventually be delayed, or called off altogether.

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