Firefly AB (FRA:A63) 5-Day RSI: 46.11 (As of Jul. 28, 2026)

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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.

FRA:A63 Firefly AB FRA:A63
86 GF Score
Price €13.50
GF Value €16.15
! 2 Warning Signs
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What is Firefly AB 5-Day RSI?

Firefly AB FRA:A63 86 5-Day RSI is 46.11 as of Jul. 28, 2026. GuruFocus rates FRA:A63 with a GF Score™ of 86/100 and a GF Value™ of €16.15. The stock has 2 warning signs investors should review. Among 1,882 Construction companies, Firefly AB ranks worse than 83.26% 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.

As of today (2026-07-28), Firefly AB's 5-Day RSI is 46.11.

The industry rank for Firefly AB's 5-Day RSI or its related term are showing as below:

FRA:A63's 5-Day RSI is ranked worse than
83.26% of 1882 companies
in the Construction industry
Industry Median: 48.535 vs FRA:A63: 46.11

Firefly AB  (FRA:A63) 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.


Firefly AB 5-Day RSI Related Terms


FRA:A63 vs TT, JCI, CARR: 5-Day RSI Comparison

For the Building Products & Equipment subindustry, Firefly AB'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.


Firefly AB 5-Day RSI vs Construction Industry

For the Construction industry and Industrials sector, Firefly AB's 5-Day RSI distribution charts can be found below:

* The bar in red indicates where Firefly AB's 5-Day RSI falls into.


FRA:A63
86GF Score
Firefly AB FRA:A63
5-Day RSI is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Firefly AB  (FRA:A63) 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.

Frequently Asked Questions Learn more about 5-Day RSI →
What does a 5-Day RSI of 46.11 mean?
Firefly AB (FRA:A63) has a 5-Day RSI of 46.11 as of Jul. 28, 2026. According to the industry distribution chart, Firefly AB ranks #1567 out of 1882 companies in the Construction industry, placing it in the top 83.3%.
Is Firefly AB's 5-Day RSI too high?
Firefly AB's current 5-Day RSI is 46.11. The Construction industry median 5-Day RSI is 48.54. Firefly AB's value of 46.11 is 5% below this industry median. Based on the distribution chart, Firefly AB ranks #1567 out of 1882 companies in the Construction industry, which is in the bottom quartile relative to peers. Overall, Firefly AB has a GF Score™ of 86/100, reflecting its overall financial health beyond just this single metric.
How does Firefly AB's 5-Day RSI compare to TT and JCI?
According to the Construction industry distribution chart, Firefly AB ranks #1567 out of 1882 companies for 5-Day RSI. This places Firefly AB in the lower half of its industry. The industry median 5-Day RSI is 48.54. Firefly AB's value of 46.11 is 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 Construction company?
The median 5-Day RSI among Construction companies is 48.54, based on 1,882 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. Firefly AB's current 5-Day RSI of 46.11 is 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 Construction industry, the median 5-Day RSI is 48.54 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Firefly AB's current 5-Day RSI is 46.11. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Firefly AB stock overvalued right now?
Firefly AB (FRA:A63) has a current 5-Day RSI of 46.11. The stock's GF Value™ is €16.15, compared to a current price of €13.50 — trading 16.4% below its estimated fair value. The current 5-Day RSI is 46.11 and 5% below the Construction industry median of 48.54. Firefly AB's overall GF Score™ is 86/100 with 2 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 Firefly AB (FRA:A63), the current 5-Day RSI is 46.11 as of Jul. 28, 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 Firefly AB (FRA:A63) Overvalued in 2026?

Based on GuruFocus' analysis, Firefly AB stock appears to be undervalued. The current stock price of €13.50 is trading 16.4% below its estimated GF Value™ of €16.15.

Key valuation signals for FRA:A63:

  • 5-Day RSI: 46.11
  • GF Value™: €16.15 vs. price of €13.50 (16.4% below fair value)
  • GF Score™: 86/100 with 2 warning signs
  • Industry Position: 5% below the Construction median (#1567 of 1882)

No single metric tells the full story. See the FRA:A63 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Firefly AB Business Description

Other Exchanges FIRE:Sweden
Address Heliosgatan 3, Stockholm, SWE, 120 30
Firefly AB is a supplier of spark detection, fire and dust explosion protection systems in Sweden. The company develops, manufactures and sells high-tech systems, which detect and minimise the risk of fires and dust explosions. It has two business areas: Industrial applications and Infra systems. Industrial applications include customized fire prevention systems, which monitor industrial processes in areas such as tissue, food, woodworking, bioenergy, and recycling. The business area of Infra systems includes early fire detection in subway-, train-, road or cable tunnel systems by means of multiple-gas detection.
86GF Score

Get the complete analysis for FRA:A63

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

€13.50
Price
€16.15
GF Value