CPI, trimmed mean and weighted median: annual movement
The headline consumer price index slipped back to 3% for the September quarter from the previous three months. Economists, though, were more interested in the sizeable jump of 0.7 percentage points in the so-called trimmed mean and weighted average measures that strip out more volatile price changes
CPI
Trimmed mean
Weighted median
-1%
0%
1%
2%
3%
4%
Jan 2015
Jan 2016
Jan 2017
Jan 2018
Jan 2019
Jan 2020
Jan 2021