The U.S. Dollar Index, which measures the dollar against six major currencies, increased by 0.29% on May 15, closing at 98.813. According to ChainCatcher, the exchange rate for the euro fell to 1.1677 dollars from the previous day's 1.1707 dollars. The British pound also decreased, trading at 1.3405 dollars compared to 1.3516 dollars the day before. Meanwhile, the dollar strengthened against the Japanese yen, reaching 158.19 yen from 157.9 yen. The dollar also rose against the Swiss franc, Canadian dollar, and Swedish krona, with exchange rates of 0.7834 francs, 1.3724 Canadian dollars, and 9.3495 krona, respectively, compared to the previous day's rates.