Short interest decreased in Tourmaline Oil Corp. and Tourmaline Bio, Inc. for October.

Short interest in Tourmaline Oil Corp. (OTCMKTS:TRMLF) decreased by 24.1%, while Tourmaline Bio, Inc. (NASDAQ:TRML) saw a 20.0% decline in its short interest for October. This indicates a reduction in the number of shares being shorted for both companies, suggesting a potential shift in investor sentiment.