DexComXSWX:DXCM 90 PEG Ratio is 0.97 as of Jun. 26, 2026, which is 24% below its 10-year median of 1.28. GuruFocus rates XSWX:DXCM with a GF Score™ of 90/100 and a GF Value™ of CHF85.31. The stock has 3 warning signs investors should review. Among 208 Medical Devices & Instruments companies, DexCom ranks better than 75.48% on this metric.
PE Ratio without NRI / 5-Year EBITDA Growth Rate*
PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use is the 5-Year EBITDA growth rate. As of today, DexCom's PE Ratio without NRI is 30.41. DexCom's 5-Year EBITDA growth rate is 31.50%. Therefore, DexCom's PEG Ratio for today is 0.97.
* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
The historical rank and industry rank for DexCom's PEG Ratio or its related term are showing as below:
XSWX:DXCM'
s PEG Ratio Range Over the Past 10 Years
Min: 0.77 Med: 1.28 Max: 1.86
Current: 0.94
During the past 13 years, DexCom's highest PEG Ratio was 1.86. The lowest was 0.77. And the median was 1.28.
XSWX:DXCM's PEG Ratio is ranked better than 75.48% of 208
companies
in the Medical Devices & Instruments industry
Industry Median: 1.915
vs XSWX:DXCM: 0.94
Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.
DexCom (XSWX:DXCM) PEG Ratio Explanation
To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.
DexCom PEG Ratio Related Terms
DexCom PEG Ratio Historical Data
* Premium members only.
The historical data trend for DexCom's PEG Ratio 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 Medical Devices subindustry, DexCom's PEG Ratio, along with its competitors' market caps and PEG Ratio 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.
DexCom PEG Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, DexCom's PEG Ratio distribution charts can be found below:
* The bar in red indicates where DexCom's PEG Ratio falls into.
* 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.
* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
DexCom (XSWX:DXCM) has a PEG Ratio of 0.97 as of Jun. 26, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on DexCom and its competitors. This is 24% below median its historical median of 1.28. Over the past decade, DexCom's PEG Ratio has ranged from 0.77 to 1.86. According to the industry distribution chart, DexCom ranks #51 out of 208 companies in the Medical Devices & Instruments industry, placing it in the top 24.5%.
Is DexCom's PEG Ratio too high?
DexCom's current PEG Ratio of 0.97 is 24% below median its 10-year median of 1.28. Over the past 10 years, this metric has ranged from a low of 0.77 to a high of 1.86. The Medical Devices & Instruments industry median PEG Ratio is 1.92. DexCom's value of 0.97 is 49.3% below this industry median. Based on the distribution chart, DexCom ranks #51 out of 208 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, DexCom has a GF Score™ of 90/100, reflecting its overall financial health beyond just this single metric.
How does DexCom's PEG Ratio compare to GEHC and STE?
According to the Medical Devices & Instruments industry distribution chart, DexCom ranks #51 out of 208 companies for PEG Ratio. This places DexCom in the top 25% of its industry — outperforming the majority of peers. The industry median PEG Ratio is 1.92. DexCom's value of 0.97 is 49.3% below this benchmark. Historically, DexCom's own PEG Ratio has ranged from 0.77 to 1.86 over the past decade. While the company's 10-year median is 1.28 vs. the industry median of 1.92, DexCom has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PEG Ratio for a Medical Devices & Instruments company?
The median PEG Ratio among Medical Devices & Instruments companies is 1.92, based on 208 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. DexCom's current PEG Ratio of 0.97 is 49.3% 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 PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on DexCom and its competitors. For the Medical Devices & Instruments industry, the median PEG Ratio is 1.92 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. DexCom's current PEG Ratio is 0.97, which is 24% below median its own 10-year median of 1.28. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is DexCom stock overvalued right now?
DexCom (XSWX:DXCM) has a current PEG Ratio of 0.97. The stock's GF Value™ is CHF85.31, compared to a current price of CHF56.54 — trading 33.7% below its estimated fair value. The current PEG Ratio is 0.97, which is 24% below median its 10-year median of 1.28 and 49.3% below the Medical Devices & Instruments industry median of 1.92. DexCom's overall GF Score™ is 90/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For DexCom (XSWX:DXCM), the current PEG Ratio is 0.97 as of Jun. 26, 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 DexCom (XSWX:DXCM) Overvalued in 2026?
Based on GuruFocus' analysis, DexCom stock appears to be undervalued.
The current stock price of CHF56.54 is trading 33.7% below its estimated GF Value™ of CHF85.31.
Key valuation signals for XSWX:DXCM:
PEG Ratio: 0.97 (24% below median its 10-year median of 1.28)
GF Value™: CHF85.31 vs. price of CHF56.54 (33.7% below fair value)
Industry Position: 49.3% below the Medical Devices & Instruments median (#51 of 208)
No single metric tells the full story. See the XSWX:DXCM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
DexCom designs and commercializes continuous glucose monitoring systems for diabetic patients. CGM systems serve as an alternative to the traditional blood glucose meter process, and the company is evolving its CGM systems to provide integration with insulin pumps from Insulet and Tandem for automatic insulin delivery. DexCom's CGMs are available through medical equipment distributors as well as retail pharmacies.
90GF Score
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