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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.
The industry rank for Martin Marietta Materials's 14-Day RSI or its related term are showing as below:
MEX:MLM's 14-Day RSI is ranked better than 74.16% of 445
companies
in the Building Materials industry
Industry Median: 46.5
vs MEX:MLM: 61.63
Martin Marietta Materials (MEX:MLM) 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.
Martin Marietta Materials 14-Day RSI Related Terms
MEX:MLM vs VMC, JHX, EXP: 14-Day RSI Comparison
For the Building Materials subindustry, Martin Marietta Materials'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.
Martin Marietta Materials 14-Day RSI vs Building Materials Industry
For the Building Materials industry and Basic Materials sector, Martin Marietta Materials's 14-Day RSI distribution charts can be found below:
* The bar in red indicates where Martin Marietta Materials's 14-Day RSI falls into.
Martin Marietta Materials (MEX:MLM) 14-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.
Martin Marietta Materials (MEX:MLM) has a 14-Day RSI of 61.63 as of Jul. 21, 2026. Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. View historical data on Martin Marietta Materials and its competitors. According to the industry distribution chart, Martin Marietta Materials ranks #115 out of 445 companies in the Building Materials industry, placing it in the top 25.8%.
Is Martin Marietta Materials' 14-Day RSI too high?
Martin Marietta Materials' current 14-Day RSI is 61.63. The Building Materials industry median 14-Day RSI is 46.50. Martin Marietta Materials' value of 61.63 is 32.5% above this industry median. Based on the distribution chart, Martin Marietta Materials ranks #115 out of 445 companies in the Building Materials industry, which is above the industry midpoint. Overall, Martin Marietta Materials has a GF Score™ of 80/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Martin Marietta Materials' 14-Day RSI compare to VMC and JHX?
According to the Building Materials industry distribution chart, Martin Marietta Materials ranks #115 out of 445 companies for 14-Day RSI. This puts Martin Marietta Materials in the upper half of its industry. The industry median 14-Day RSI is 46.50. Martin Marietta Materials' value of 61.63 is 32.5% above 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 Building Materials company?
The median 14-Day RSI among Building Materials companies is 46.50, based on 445 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. Martin Marietta Materials's current 14-Day RSI of 61.63 is 32.5% above 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 Martin Marietta Materials and its competitors. For the Building Materials industry, the median 14-Day RSI is 46.50 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Martin Marietta Materials's current 14-Day RSI is 61.63. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Martin Marietta Materials stock overvalued right now?
Based on GuruFocus' analysis, Martin Marietta Materials (MEX:MLM) is currently considered Modestly Undervalued. The stock's GF Value™ is MXN12,461.87, compared to a current price of MXN10,527.30 — trading 15.5% below its estimated fair value. The current 14-Day RSI is 61.63 and 32.5% above the Building Materials industry median of 46.50. Martin Marietta Materials' overall GF Score™ is 80/100 with 3 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 Martin Marietta Materials (MEX:MLM), the current 14-Day RSI is 61.63 as of Jul. 21, 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 Martin Marietta Materials (MEX:MLM) Overvalued in 2026?
Based on GuruFocus' analysis, Martin Marietta Materials stock appears to be undervalued.
The current stock price of MXN10,527.30 is trading 15.5% below its estimated GF Value™ of MXN12,461.87.
GuruFocus considers Martin Marietta Materials to be Modestly Undervalued.
Key valuation signals for MEX:MLM:
14-Day RSI: 61.63
GF Value™: MXN12,461.87 vs. price of MXN10,527.30 (15.5% below fair value)
Industry Position: 32.5% above the Building Materials median (#115 of 445)
No single metric tells the full story. See the MEX:MLM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Martin Marietta Materials is one of the United States' largest producer of construction aggregates (crushed stone, sand, and gravel). In 2024, Martin Marietta sold 191 million tons of aggregates. Martin Marietta's most important markets include Texas, North Carolina, Colorado, California, and Georgia, accounting for most of its sales. The company also uses its aggregates in its asphalt and ready-mixed concrete businesses. Martin's magnesia specialties business produces magnesia-based chemical products and dolomitic lime.
80GF 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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