This inventory graph is courtesy of Altos Research.
As of June 25th, inventory was at 359 thousand (7 day average), compared to 677 thousand the same week a year ago. That is a decline of 46.9%.
A week ago, inventory was at 353 thousand, and was down 48.8% YoY.
Seasonally, inventory has bottomed. Inventory was about 17.3% above the low in early April.
Mike Simonsen discusses this data regularly on Youtube. Altos Research has also seen a significant pickup in price decreases, although still well below a normal rate for June.