In its latest wholesale market report, Black Book said the market is sending mixed messages, largely because of the United Auto Workers strike.

In September, as the strike became imminent, depreciation slowed but remained above seasonal normals. Once the strike launched, auction activity increased. But the strike's duration will determine its impact on used-car prices, Black Book reported.

As the industry closed on the third week of the strike, Black Book said the market showed mixed signals, with overall depreciation slowing but certain segments, like small pickups, seeing increased demand because of production disruptions.

Where the market goes from here remains uncertain, the research provider said, as itcontinues to navigate the complexities of labor disputes and supply dynamics.

See details by sector in Black Book's latest Market Insights report here.