“What definitely has accelerated and changed is the success in the U.S. market,” Siemiatkowski said in an interview. Investors are seeing Klarna getting ahead of its competitors, he said. “I think that has changed the perspective and changed the view on our valuation.”

https://www.bloomberg.com/news/articles/2021-03-01/klarna-valued-at-31-billion-after-u-s-growth-stoked-investors?sref=dAQZajoP