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Trex CoTREX -2.05%83 Market Cap is $4,818 Mil as of Aug. 20, 2026. GuruFocus rates TREX with a GF Score™ of 83/100 and a GF Value™ of $68.62 (Significantly Undervalued). The stock has 4 warning signs investors should review. Among 1,813 Construction companies, Trex Co ranks better than 94.59% on this metric.
Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). Trex Co's share price for the quarter that ended in Jun. 2026 was $50.04. Trex Co's Shares Outstanding (EOP) for the quarter that ended in Jun. 2026 was 102 Mil. Therefore, Trex Co's market cap for the quarter that ended in Jun. 2026 was $5,097 Mil.
Trex Co's quarterly market cap
increased
from Dec. 2025 ($3,709 Mil) to Mar. 2026 ($3,784 Mil) and
increased
from Mar. 2026 ($3,784 Mil) to Jun. 2026 ($5,097 Mil).
Trex Co's annual market cap
declined
from Dec. 2023 ($8,992 Mil) to Dec. 2024 ($7,397 Mil) and
declined
from Dec. 2024 ($7,397 Mil) to Dec. 2025 ($3,709 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. Trex Co's Enterprise Value for Today is $5,115 Mil.
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
Trex Co Market Cap Related Terms
Trex Co Market Cap Historical Data
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The historical data trend for Trex Co's Market Cap can be seen below:
* 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.
For the Building Products & Equipment subindustry, Trex Co's Market Cap, along with its competitors' market caps and Market Cap 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.
Trex Co Market Cap vs Construction Industry
For the Construction industry and Industrials sector, Trex Co's Market Cap distribution charts can be found below:
* The bar in red indicates where Trex Co's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
Trex Co's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as
* 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.
Trex Co (TREX) has a Market Cap of $4,818 Mil as of Aug. 20, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Trex Co and its competitors. According to the industry distribution chart, Trex Co ranks #98 out of 1813 companies in the Construction industry, placing it in the top 5.4%.
Is Trex Co's Market Cap too high?
Trex Co's current Market Cap is $4,818 Mil. The Construction industry median Market Cap is 119.84. Trex Co's value of $4,818 Mil is 3920.4% above this industry median. Based on the distribution chart, Trex Co ranks #98 out of 1813 companies in the Construction industry, which is in the top quartile — a strong position relative to peers. Overall, Trex Co has a GF Score™ of 83/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Trex Co's Market Cap compare to GFF and LPX?
According to the Construction industry distribution chart, Trex Co ranks #98 out of 1813 companies for Market Cap. This places Trex Co in the top 5% of its industry — outperforming the majority of peers. The industry median Market Cap is 119.84. Trex Co's value of $4,818 Mil is 3920.4% 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 Market Cap for a Construction company?
The median Market Cap among Construction companies is 119.84, based on 1,813 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Trex Co's current Market Cap of $4,818 Mil is 3920.4% 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 Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Trex Co and its competitors. For the Construction industry, the median Market Cap is 119.84 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Trex Co's current Market Cap is $4,818 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Trex Co stock overvalued right now?
Based on GuruFocus' analysis, Trex Co (TREX) is currently considered Significantly Undervalued. The stock's GF Value™ is $68.62, compared to a current price of $47.30 — trading 31.1% below its estimated fair value. The current Market Cap is $4,818 Mil and 3920.4% above the Construction industry median of 119.84. Trex Co's overall GF Score™ is 83/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For Trex Co (TREX), the current Market Cap is $4,818 Mil as of Aug. 20, 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 Trex Co (TREX) Overvalued in 2026?
Based on GuruFocus' analysis, Trex Co stock appears to be undervalued.
The current stock price of $47.30 is trading 31.1% below its estimated GF Value™ of $68.62.
GuruFocus considers Trex Co to be Significantly Undervalued.
Key valuation signals for TREX:
Market Cap: $4,818 Mil
GF Value™: $68.62 vs. price of $47.30 (31.1% below fair value)
Industry Position: 3920.4% above the Construction median (#98 of 1813)
No single metric tells the full story. See the TREX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Trex Co Inc is a manufacturer of wooden alternative decking products. The company offers outdoor products in the decking, railing, porch, fencing, trim, steel deck framing, and outdoor lighting categories. Its products are sold under the Trex brand and manufactured in the United States. Further, the company licenses its Trex brand to third parties to manufacture and sell products under the Trex trademark. The distribution is focused on wholesale distributors and retail lumber dealers, which in turn sell Trex products to homeowners and contractors, with an emphasis on professional contractors, remodelers, and homebuilders. The company operates in one reportable segment i.e. Trex Residential.
83GF Score
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