
The PBOC said banks would resume using the counter-cyclical factor in calculating the yuan's daily reference rate, restraining the currency's decline against the dollar. Roughly three hours later, Fed Chairman Jerome Powell said he saw little sign of inflation accelerating above the 2 percent target.
Both moves weakened the dollar and supported the yuan, which eases pressure on Chinese import demand and currency-linked commodity pricing. A softer dollar generally lifts dollar-denominated grain and meal prices.
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.
After 362 past bearish macro events, Chinese Yuan (CNY per USD) moved a median -0.1% over 5 sessions (42% higher; middle half -0.4% to +0.1%), 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.
On 2018-08-24 the PBOC reinstated the counter-cyclical factor in the yuan fixing, which curbed depreciation and triggered a sharp yuan rebound (CNY per USD fell), while Powell's dovish remarks weakened the dollar.