The pound fell sharply against the dollar when Kwasi Kwarteng's mini-budget was announced

Value of £1 in dollars, market close

1.40

1.30

23 September

Mini-budget unveiled 

1.20

$1.12

on 29 Sep

1.10

28 September

Bank of England intervenes

1.00

Jan

2021

Apr

Jul

Oct

Jan

2022

Apr

Jul

1.40

23 September

Mini-budget unveiled 

1.30

1.20

$1.12

on 29 Sep

1.10

28 September

Bank of England intervenes

1.00

Jan 2021

Apr

Jul

Oct

Jan 2022

Apr

Jul

Guardian graphic. Source: Google finance