The University of Michigan's preliminary October consumer sentiment index reading was 75.2, compared to the final September 77.5, and the preliminary September 76.8, according to market sources.
The expectations index was 63.9, compared to the final September 67.8, and the preliminary September 67.2.
The current conditions index was 92.8, compared to the final September 92.6, and the preliminary September 91.8.
Economists polled by Thomson Reuters had predicted a 76.0 reading for the main index, 91.0 for current conditions and 67.5 for expectations.
The five-year inflation expectation index was 2.8%, compared to 3.0% in September, while the one-year inflation expectation index was 2.9%, compared to 3.3% in September.
The University of Michigan index is not released to the press, but only to paying subscribers.