HSYDF (Harmonic Drive Systems) 6-Month Price Index: 1.72 (As of Aug. 13, 2026)

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HSYDF Harmonic Drive Systems Inc HSYDF
76 GF Score
Price $43.12
GF Value $23.95
Valuation Significantly Overvalued
! 5 Warning Signs
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What is Harmonic Drive Systems 6-Month Price Index?

Harmonic Drive Systems HSYDF +6.46% 76 6-Month Price Index is 1.72 as of Aug. 13, 2026. GuruFocus rates HSYDF with a GF Score™ of 76/100 and a GF Value™ of $23.95 (Significantly Overvalued). The stock has 5 warning signs investors should review.

6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. It’s calculated by current share price divided by share price 6-months ago. As of today (2026-08-13), Harmonic Drive Systems's 6-Month Price Index is 1.72.

Harmonic Drive Systems  (OTCPK:HSYDF) 6-Month Price Index Explanation

Price Index (PI) also called momentum. Strategies involving Price Index are also known as momentum strategies as they allow investors to profit from a company’s stock price. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago.

The investment strategy for momentum investors is to buy winners and sell losers. That is, buy stocks that performed well and sell stocks that performed poorly in the past.

Harmonic Drive Systems 6-Month Price Index Related Terms

HSYDF vs GEV, ETN, PH: 6-Month Price Index Comparison

For the Specialty Industrial Machinery subindustry, Harmonic Drive Systems's 6-Month Price Index, along with its competitors' market caps and 6-Month Price Index data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

HSYDF
76GF Score
Harmonic Drive Systems Inc HSYDF
6-Month Price Index is just one metric. See GF Score™, valuation, warning signs, and more.
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Harmonic Drive Systems  (OTCPK:HSYDF) 6-Month Price Index Calculation

6-Month Price Index is calculated as following:

6-Month Price Index=Current Share Price / Share Price 6-Months Ago

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about 6-Month Price Index →
What does a 6-Month Price Index of 1.72 mean?
Harmonic Drive Systems (HSYDF) has a 6-Month Price Index of 1.72 as of Aug. 13, 2026. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. View historical data on Harmonic Drive Systems and its competitors.
Is Harmonic Drive Systems' 6-Month Price Index too high?
Harmonic Drive Systems' current 6-Month Price Index is 1.72. Overall, Harmonic Drive Systems has a GF Score™ of 76/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Harmonic Drive Systems' 6-Month Price Index compare to GEV and ETN?
Harmonic Drive Systems' 6-Month Price Index of 1.72 can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 6-Month Price Index for an Industrial Products company?
A good 6-Month Price Index depends on the Industrial Products industry context. However, 6-Month Price Index should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 6-Month Price Index mean?
A high 6-Month Price Index can signal that a stock is expensive relative to its fundamentals. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. View historical data on Harmonic Drive Systems and its competitors. Harmonic Drive Systems's current 6-Month Price Index is 1.72. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Harmonic Drive Systems stock overvalued right now?
Based on GuruFocus' analysis, Harmonic Drive Systems (HSYDF) is currently considered Significantly Overvalued. The stock's GF Value™ is $23.95, compared to a current price of $43.12 — trading 80% above its estimated fair value. The current 6-Month Price Index is 1.72. Harmonic Drive Systems' overall GF Score™ is 76/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 6-Month Price Index calculated?
6-Month Price Index is calculated from a company's financial statements. For Harmonic Drive Systems (HSYDF), the current 6-Month Price Index is 1.72 as of Aug. 13, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Harmonic Drive Systems (HSYDF) Overvalued in 2026?

Based on GuruFocus' analysis, Harmonic Drive Systems stock appears to be overvalued. The current stock price of $43.12 is trading 80% above its estimated GF Value™ of $23.95. GuruFocus considers Harmonic Drive Systems to be Significantly Overvalued.

Key valuation signals for HSYDF:

  • 6-Month Price Index: 1.72
  • GF Value™: $23.95 vs. price of $43.12 (80% above fair value)
  • GF Score™: 76/100 with 5 warning signs

No single metric tells the full story. See the HSYDF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Harmonic Drive Systems Business Description

Other Exchanges 6324:JapanK3R:Germany
Address 6-25-3 Minami-Oi, Shinagawa-ku, Tokyo, JPN, 140-0013
Harmonic Drive Systems manufactures and sells high-precision reduction gears (harmonic reducers) under the Harmonic Drive brand as well as other mechatronics products, including rotary actuators, linear actuators, and AC servo motors. The company also provides planetary gear speed reducers under the AccuDrive and Harmonic Planetary brands. Its products are used in industrial robots, semiconductor production equipment, and other high-precision equipment. HDS was founded in 1970 and is headquartered in Tokyo, Japan.
76GF Score

Get the complete analysis for HSYDF

6-Month Price Index is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$43.12
Price
$23.95
GF Value