Oakland CA real estate ---- vigorous market activity

Seems to me that when inventories are low, it signifies a seller's market. Is this signaling that the tides have changed?

Checking the various cities in the East Bay of California, a trend is emerging. Inventories are low. Number of properties in contract is on the rise. Number of sales also on the rise.

This is what the Oakland CA market looks like.

These charts pertain to sales of detached single family homes between August 2007 and August 2009, and shows the movement among detached single family homes. There is no need for verbosity here. This is a case of "A picture paints a thousand words."