The PBOC allows the yuan to fluctuate within a +/- 2% range, around this reference rate. More here.prior close 6.7880Injects 100bn yuan via 7-day reverse repos in open market operates today. Unchanged rate of 1.4%.drains net 1.1625 bln yuan for the day via reverse repo operations, biggest daily cash withdrawal since Oct 9, 2025 This article was written by Eamonn Sheridan at investinglive.com.