Jan. 12, 2021 5:31 am ET In the third quarter of 2020, the dollarâs share of global foreign-exchange reserves slipped to its lowest level in almost a quarter of a century. But donât let the figures fool you: The greenback is as central to the global financial system as it has ever been. International Monetary Fund data shows the dollarâs share of reported reserves fell to 60.5% in September. The drop has been magnified in nominal terms due to the currencyâs depreciation over the past year. But even accounting for that, the real dollar exposure of... Advertisement In the third quarter of 2020, the dollarâs share of global foreign-exchange reserves slipped to its lowest level in almost a quarter of a century. But donât let the figures fool you: The greenback is as central to the global financial system as it has ever been.