Short interest in Microwave Filter Co Inc (OTC:MFCO) increased during the last reporting period, rising from 5.00 to 505.00. This put 0.02% of the company's publicly available shares short.

Based on the recent average volume of 11.76K shares traded per day, it would take 1 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.