Tracking existing home inventory is very important in 2022.
Inventory usually declines in the winter, and this is a new record low for this series.
This inventory graph is courtesy of Altos Research.
And here is a table of the year-over-year change by week since the beginning of the year. A possible early indicator might be if the YoY decline is less each week.
Mike Simonsen discusses this data regularly on Youtube.