People's Bank of China set the onshore yuan (CNY) reference rate for the trading session ahead.
CNH is the offshore yuan. USD /CNH has no restrictions on its trading range.
A significantly stronger or weaker rate than expected is typically considered a signal from the PBOC.
The previous close was 6.7940
PBoC injects 453bn yuan of 7-day reverse repos at an unchanged rate of 2.0%
66bn yuan of RRs mature today
thus a net injection of 387bn yuan on the day in open market operations