Sterling National Bank’s trading loss jumped 5% after the president announced the U.S. was leaving the Paris climate agreement.
The bank’s loss comes as traders worry about the impact of the United States’ withdrawal from the Paris accord.
The stock market rallied more than 5% in the second half of the year as the dollar weakened.
Analysts have said the stock market could dip below $20 a share in 2019.
The National Bank lost $7.5 billion in the year ended Sept. 30, compared with $8.9 billion a year earlier.
Its profit dropped more than 60% in real terms in the three months to Sept. 28.
The currency has fallen about $5.5 on the year, or 5.6%, as it’s been pushed back against other currencies, the International Monetary Fund said in September.