Staar Surgical CoSTAA -1.28%83 5-Day RSI is 31.46 as of Jul. 04, 2026. GuruFocus rates STAA with a GF Score™ of 83/100 and a GF Value™ of $31.66 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 867 Medical Devices & Instruments companies, Staar Surgical Co ranks better than 87.54% on this metric.
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. 5-Day RSI is sometimes used together with 14-Day RSI in a two period divergence strategy.
The industry rank for Staar Surgical Co's 5-Day RSI or its related term are showing as below:
STAA's 5-Day RSI is ranked better than 87.54% of 867
companies
in the Medical Devices & Instruments industry
Industry Median: 52.85
vs STAA: 31.46
Staar Surgical Co (NAS:STAA) 5-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. 5-Day RSI is sometimes used together with 14-Day RSI in a two period divergence strategy.
Staar Surgical Co 5-Day RSI Related Terms
STAA vs BLFS, ATRC, KMTS: 5-Day RSI Comparison
For the Medical Instruments & Supplies subindustry, Staar Surgical Co's 5-Day RSI, along with its competitors' market caps and 5-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.
Staar Surgical Co 5-Day RSI vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Staar Surgical Co's 5-Day RSI distribution charts can be found below:
* The bar in red indicates where Staar Surgical Co's 5-Day RSI falls into.
Staar Surgical Co (NAS:STAA) 5-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.
Staar Surgical Co (STAA) has a 5-Day RSI of 31.46 as of Jul. 04, 2026. According to the industry distribution chart, Staar Surgical Co ranks #108 out of 867 companies in the Medical Devices & Instruments industry, placing it in the top 12.5%.
Is Staar Surgical Co's 5-Day RSI too high?
Staar Surgical Co's current 5-Day RSI is 31.46. The Medical Devices & Instruments industry median 5-Day RSI is 52.85. Staar Surgical Co's value of 31.46 is 40.5% below this industry median. Based on the distribution chart, Staar Surgical Co ranks #108 out of 867 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, Staar Surgical Co has a GF Score™ of 83/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Staar Surgical Co's 5-Day RSI compare to BLFS and ATRC?
According to the Medical Devices & Instruments industry distribution chart, Staar Surgical Co ranks #108 out of 867 companies for 5-Day RSI. This places Staar Surgical Co in the top 13% of its industry — outperforming the majority of peers. The industry median 5-Day RSI is 52.85. Staar Surgical Co's value of 31.46 is 40.5% below this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 5-Day RSI for a Medical Devices & Instruments company?
The median 5-Day RSI among Medical Devices & Instruments companies is 52.85, based on 867 companies in the industry. Companies in the top quartile (top 25%) have a 5-Day RSI significantly above this median, while those in the bottom quartile fall well below. However, 5-Day RSI should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Staar Surgical Co's current 5-Day RSI of 31.46 is 40.5% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 5-Day RSI mean?
A high 5-Day RSI can signal that a stock is expensive relative to its fundamentals. For the Medical Devices & Instruments industry, the median 5-Day RSI is 52.85 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Staar Surgical Co's current 5-Day RSI is 31.46. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Staar Surgical Co stock overvalued right now?
Based on GuruFocus' analysis, Staar Surgical Co (STAA) is currently considered Modestly Undervalued. The stock's GF Value™ is $31.66, compared to a current price of $27.78 — trading 12.3% below its estimated fair value. The current 5-Day RSI is 31.46 and 40.5% below the Medical Devices & Instruments industry median of 52.85. Staar Surgical Co's overall GF Score™ is 83/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 5-Day RSI calculated?
5-Day RSI is calculated from a company's financial statements. For Staar Surgical Co (STAA), the current 5-Day RSI is 31.46 as of Jul. 04, 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 Staar Surgical Co (STAA) Overvalued in 2026?
Based on GuruFocus' analysis, Staar Surgical Co stock appears to be undervalued.
The current stock price of $27.78 is trading 12.3% below its estimated GF Value™ of $31.66.
GuruFocus considers Staar Surgical Co to be Modestly Undervalued.
Key valuation signals for STAA:
5-Day RSI: 31.46
GF Value™: $31.66 vs. price of $27.78 (12.3% below fair value)
Industry Position: 40.5% below the Medical Devices & Instruments median (#108 of 867)
No single metric tells the full story. See the STAA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Staar Surgical Co is a manufacturer of lenses. It designs, develops, manufactures, and sells implantable lenses for the eye and delivery systems used to deliver the lenses into the eye. The company offers two types of products: Implantable Collamer lenses (ICL), which are used in refractive surgery. The company generates almost all of its revenue from the sale of its ICL products. Geographically, the company generates key revenue from Foreign sales.
83GF Score
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