Canadian National Railway short interest surges 54%, signaling bearish sentiment

Canadian National Railway recorded a 54.2% increase in short interest during July 2026. Total shares sold short reached 4,651,995 as of July 31.

Short interest now accounts for approximately 0.8% of the company’s total outstanding shares. The current short-interest ratio stands at 2.6 days to cover based on average daily trading volume.

The sharp rise indicates growing negative sentiment among market participants regarding the stock's near-term prospects.