BIO-key International (STU:BJO0) 9-Day RSI: N/A (As of Jul. 25, 2026)

Author: Vera Yuan Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
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Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

STU:BJO0 BIO-key International Inc STU:BJO0
31 GF Score
Price €460.80
GF Value €256.46
! 3 Warning Signs
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What is BIO-key International 9-Day RSI?

The Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. The RSI is most typically used on a 14-day period, measured on a scale from 0 to 100. Traditionally, an asset is considered overbought or overvalued when the RSI is above 70 and oversold or undervalued when it is below 30. A shorter period RSI is more reactive to recent price changes, so it can show early signs of reversals. 9-Day RSI is sometimes used together with 14-Day RSI in a two period divergence strategy.

As of today (2026-07-25), BIO-key International's 9-Day RSI is N/A.

The industry rank for BIO-key International's 9-Day RSI or its related term are showing as below:

STU:BJO0's 9-Day RSI is not ranked *
in the Business Services industry.
Industry Median: 49.4
* Ranked among companies with meaningful 9-Day RSI only.

BIO-key International  (STU:BJO0) 9-Day RSI Explanation

The Relative Strength Index (RSI), developed by J. Welles Wilder in his book “New Concepts in Technical Trading Systems.”, is a momentum oscillator that measures the speed and change of price movements. The RSI is most typically used on a 14-day period, measured on a scale from 0 to 100.

Traditionally, an asset is considered overbought or overvalued when the RSI is above 70 and oversold or undervalued when it is below 30. A RSI surpasses the 30 level indicates a bullish sign, when it slides below 70 level, it’s a bearish sign. This level can be adjusted depending on the security’s pattern and the market’s underlying trend. In an uptrend or bullish market, the RSI might range within a higher interval, investors could set the support level higher. If a downtrend or bearish market occurs, investors may need to lower the resistance level.

RSI can also be used in trading techniques to indicate the trading signal, such as Divergences and Swing Rejections. A shorter period RSI is more reactive to recent price changes, so it can show early signs of reversals. 9-Day RSI is sometimes used together with 14-Day RSI in a two period divergence strategy.


BIO-key International 9-Day RSI Related Terms


STU:BJO0 vs IVDA, SUGP, VRME: 9-Day RSI Comparison

For the Security & Protection Services subindustry, BIO-key International's 9-Day RSI, along with its competitors' market caps and 9-Day RSI 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.


BIO-key International 9-Day RSI vs Business Services Industry

For the Business Services industry and Industrials sector, BIO-key International's 9-Day RSI distribution charts can be found below:

* The bar in red indicates where BIO-key International's 9-Day RSI falls into.


STU:BJO0
31GF Score
BIO-key International Inc STU:BJO0
9-Day RSI is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

BIO-key International  (STU:BJO0) 9-Day RSI Calculation

The formula for calculating RSI is:

RSI=100[ 100 / ( 1 + Average Gain / Average Loss )]

* Note that the formula uses a positive value for the average loss.

* 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.

Is BIO-key International (STU:BJO0) Overvalued in 2026?

Based on GuruFocus' analysis, BIO-key International stock appears to be overvalued. The current stock price of €460.80 is trading 79.7% above its estimated GF Value™ of €256.46.

Key valuation signals for STU:BJO0:

  • 9-Day RSI: N/A
  • GF Value™: €256.46 vs. price of €460.80 (79.7% above fair value)
  • GF Score™: 31/100 with 3 warning signs

No single metric tells the full story. See the STU:BJO0 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


BIO-key International Business Description

Other Exchanges BKYI:USA
Address 101 Crawfords Corner Road, Suite 4116, Holmdel, NJ, USA, 07753
BIO-key International Inc is a identity and access management (IAM) platform provider enabling secure work-from-anywhere for enterprise, education, and government customers using secure multi-factor authentication (MFA). Its products include PortalGuard and PortalGuard Identity-as-a-Service (IDaaS) enterprise IAM, WEB-key biometric civil and large-scale ID infrastructure, MobileAuth mobile phone authentication application for iOS and Android, and high-quality, low-cost accessory fingerprint scanner and FIDO-compliant hardware to provide a full and complete solution for identity-innovating customers. The company operates as one operating segment. Its solutions are Passwordless Authentication, Secure Roving Employees, Education, Financial Services, Government, Healthcare, Manufacturing, etc.
31GF Score

Get the complete analysis for STU:BJO0

9-Day RSI is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€460.80
Price
€256.46
GF Value