This inventory graph is courtesy of Altos Research.
As of July 23rd, inventory was at 403 thousand (7 day average), compared to 640 thousand the same week a year ago. That is a decline of 37.1%.
A week ago, inventory was at 391 thousand, and was down 39.6% YoY.
Seasonally, inventory has bottomed. Inventory was about 31.4% above the record low in early April.
Mike Simonsen discusses this data regularly on Youtube.
Altos Research has also seen a significant pickup in price decreases - almost back to the level of a year ago - although still well below a normal rate for July.