
The Federal Reserve opened dollar swap lines to nine additional foreign central banks on March 19, 2020. Dollar funding demand outside the US had pushed dollar-funding costs sharply higher, and the dollar index had gained more than 7% in eight sessions.
Several targeted currencies saw immediate relief after the announcement.
Easing offshore dollar shortages should weaken the dollar's safe-haven bid, which supports dollar-priced commodities and helps emerging-market importers of feed inputs.
After 1,637 past bearish macro events, US Dollar (Broad) moved a median -0.2% over 5 sessions (39% higher; middle half -0.6% to +0.3%), and -0.2% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.