Harmonic Drive Systems Inc. (OTCMKTS:HSYDF) Stock Short Interest Climbs 49.3%

Posted by Trevor Kearing on Oct 1st, 2026

Harmonic Drive Systems Inc. (OTCMKTS:HSYDF – Get Free Report) was the recipient of a large increase in short interest in the month of September. As of September 15th, there was short interest totaling 1,168,874 shares, an increase of 49.3% from the August 31st total of 783,165 shares. Based on an average daily trading volume, of 13,223 shares, the short-interest ratio is presently 88.4 days.

Analyst Upgrades and Downgrades

Separately, Jefferies Financial Group raised Harmonic Drive Systems from an “underperform” rating to a “buy” rating in a research report on Tuesday, June 16th. Two investment analysts have rated the stock with a Buy rating, According to MarketBeat, Harmonic Drive Systems has a consensus rating of “Buy”.

Check Out Our Latest Analysis on HSYDF

Harmonic Drive Systems Price Performance

Shares of HSYDF stock traded up $0.35 during trading hours on Thursday, reaching $41.77. 168 shares of the company were exchanged, compared to its average volume of 3,902. The stock’s fifty day moving average is $38.95 and its two-hundred day moving average is $38.46. Harmonic Drive Systems has a fifty-two week low of $16.20 and a fifty-two week high of $57.16.

Harmonic Drive Systems Company Profile

(Get Free Report)

Harmonic Drive Systems Inc is a Japan-based manufacturer of precision motion-control and power-transmission equipment. The company is best known for its strain-wave gearing technology, also called harmonic gearing, which provides high reduction ratios, low backlash and accurate positioning in a compact design.

Its product portfolio includes precision gear reducers, rotary and linear actuators, gearheads, motors and related motion-control components. These products are used in applications such as industrial and collaborative robots, semiconductor and electronics manufacturing equipment, factory automation, machine tools, medical devices and other precision machinery.

Founded in Japan in 1970, Harmonic Drive Systems serves customers internationally through its operations and distribution network in Japan and other major industrial markets, including North America, Europe and Asia.