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.
As of today (2026-07-13), First Solar's 14-Day RSI is 42.41.
The industry rank for First Solar's 14-Day RSI or its related term are showing as below:
MEX:FSLR's 14-Day RSI is ranked better than 76.33% of 1031
companies
in the Semiconductors industry
Industry Median: 46.23
vs MEX:FSLR: 42.41
First Solar (MEX:FSLR) 14-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.
First Solar 14-Day RSI Related Terms
MEX:FSLR vs NXT, ENPH, RUN: 14-Day RSI Comparison
For the Solar subindustry, First Solar's 14-Day RSI, along with its competitors' market caps and 14-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.
First Solar 14-Day RSI vs Semiconductors Industry
For the Semiconductors industry and Technology sector, First Solar's 14-Day RSI distribution charts can be found below:
* The bar in red indicates where First Solar's 14-Day RSI falls into.
* 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.
First Solar (MEX:FSLR) has a 14-Day RSI of 42.41 as of Jul. 13, 2026. Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. View historical data on First Solar and its competitors. According to the industry distribution chart, First Solar ranks #244 out of 1031 companies in the Semiconductors industry, placing it in the top 23.7%.
Is First Solar's 14-Day RSI too high?
First Solar's current 14-Day RSI is 42.41. The Semiconductors industry median 14-Day RSI is 46.23. First Solar's value of 42.41 is 8.3% below this industry median. Based on the distribution chart, First Solar ranks #244 out of 1031 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, First Solar has a GF Score™ of 89/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does First Solar's 14-Day RSI compare to NXT and ENPH?
According to the Semiconductors industry distribution chart, First Solar ranks #244 out of 1031 companies for 14-Day RSI. This places First Solar in the top 24% of its industry — outperforming the majority of peers. The industry median 14-Day RSI is 46.23. First Solar's value of 42.41 is 8.3% 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 14-Day RSI for a Semiconductors company?
The median 14-Day RSI among Semiconductors companies is 46.23, based on 1,031 companies in the industry. Companies in the top quartile (top 25%) have a 14-Day RSI significantly above this median, while those in the bottom quartile fall well below. However, 14-Day RSI should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. First Solar's current 14-Day RSI of 42.41 is 8.3% 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 14-Day RSI mean?
A high 14-Day RSI can signal that a stock is expensive relative to its fundamentals. Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. View historical data on First Solar and its competitors. For the Semiconductors industry, the median 14-Day RSI is 46.23 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. First Solar's current 14-Day RSI is 42.41. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is First Solar stock overvalued right now?
Based on GuruFocus' analysis, First Solar (MEX:FSLR) is currently considered Modestly Undervalued. The stock's GF Value™ is MXN4,511.63, compared to a current price of MXN4,042.55 — trading 10.4% below its estimated fair value. The current 14-Day RSI is 42.41 and 8.3% below the Semiconductors industry median of 46.23. First Solar's overall GF Score™ is 89/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 14-Day RSI calculated?
14-Day RSI is calculated from a company's financial statements. For First Solar (MEX:FSLR), the current 14-Day RSI is 42.41 as of Jul. 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 First Solar (MEX:FSLR) Overvalued in 2026?
Based on GuruFocus' analysis, First Solar stock appears to be undervalued.
The current stock price of MXN4,042.55 is trading 10.4% below its estimated GF Value™ of MXN4,511.63.
GuruFocus considers First Solar to be Modestly Undervalued.
Key valuation signals for MEX:FSLR:
14-Day RSI: 42.41
GF Value™: MXN4,511.63 vs. price of MXN4,042.55 (10.4% below fair value)
Industry Position: 8.3% below the Semiconductors median (#244 of 1031)
No single metric tells the full story. See the MEX:FSLR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
First Solar designs and manufactures solar photovoltaic panels, modules, and systems for use in utility-scale development projects. The company's solar modules use cadmium telluride to convert sunlight into electricity. This is commonly called thin-film technology. First Solar is the world's largest thin-film solar module manufacturer. It has production lines in Vietnam, Malaysia, the United States, and India.
89GF Score
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14-Day RSI is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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