Unigestion's head of investments, Olivier Marciot, said he was taking advantage of higher yields on longer maturity T-Bills likely to fall due after the "X-date" - when the government would exhaust its cash and borrowing capacity.

Source: https://gazette.com/news/us-world/how-investors-are-trading-the-u-s-debt-ceiling/article_77059f06-981d-5090-8a30-c42febe4aded.html