Short interest in Comfort Systems USA Inc (NYSE:FIX) increased during the last reporting period, rising from 723.04K to 741.35K. This put 3.02% of the company's publicly available shares short.

Short interest in Comfort Systems USA Corp (XNYS:FIX) decreased during the last reporting period, falling from 280.30M to 275.20M. This put 1.17% of the company's publicly available shares short.

Based on the recent average volume of 494.96K shares traded per day, it would take 1.5 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.