“The poll boost to the Vote Leave campaign sent the pound tumbling by up to 1.5 cents to below $1.44, adding to a decline of 2 cents last week and indicating the degree of pressure on the UK currency since the remain camp’s lead in the polls began to evaporate.
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Sterling’s value has become increasingly volatile as fears of a Brexit have increased among investors. The index charting the daily swings in the pound’s value has risen to its highest level of volatility since the first quarter of 2009. It is double the level seen in April when the remain camp was ahead in the polls.
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Polls by YouGov, ICM and TNS showed the Brexit campaign extending its recent lead as concerns about migration and the costs of EU membership rose to the top of the political agenda.
The YouGov poll showed 45% of Britons would vote to leave the EU compared with 41% who would vote to stay in. A separate online survey by TNS showed 43% backed Brexit, while 41% supported continued EU membership. An ICM poll of 2,000 people added to the pressure, with 48% in favour of the UK leaving, up one point on last week, and 43% in favour of remaining.