Short interest for O'Reilly Automotive has increased by 3.66%, indicating a rise in negative sentiment among investors. The company reported approximately 994 thousand shares in short interest, representing 1.7% of its total float. The 'days to cover' ratio stands at 2.38 days, reflecting the time required to repurchase all shorted shares. High short interest can signal market pessimism but also potential for a short squeeze. Despite O'Reilly Automotive's strong financial performance and brand recognition, some investors remain skeptical due to broader economic and competitive pressures.