ALGM (Allegro Microsystems) PEG Ratio: N/A (As of Jul. 04, 2026)


ALGM Allegro Microsystems Inc ALGM
73 GF Score
Price $55.49
GF Value $29.44
Valuation Significantly Overvalued
! 8 Warning Signs
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What is Allegro Microsystems PEG Ratio?

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, Allegro Microsystems's PE Ratio without NRI is 102.75. Allegro Microsystems's 5-Year EBITDA growth rate is -18.80%. Therefore, Allegro Microsystems's PEG Ratio for today is N/A.

* 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 Allegro Microsystems's PEG Ratio or its related term are showing as below:


During the past 8 years, Allegro Microsystems's highest PEG Ratio was 93.70. The lowest was 0.99. And the median was 2.91.


ALGM's PEG Ratio is not ranked *
in the Semiconductors industry.
Industry Median: 3.77
* Ranked among companies with meaningful PEG Ratio only.

Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.


Allegro Microsystems  (NAS:ALGM) 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.


Allegro Microsystems PEG Ratio Related Terms


Allegro Microsystems PEG Ratio Historical Data

* Premium members only.

The historical data trend for Allegro Microsystems'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.

Allegro Microsystems PEG Ratio Chart

Allegro Microsystems Annual Data
Trend Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
PEG Ratio
Get a 7-Day Free Trial 0.00 0.00 1.03 68.89 0.00

Allegro Microsystems Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
PEG Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 68.89 0.00 0.00 0.00 0.00

ALGM vs SIMO, SWKS, RMBS: PEG Ratio Comparison

For the Semiconductors subindustry, Allegro Microsystems'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.


Allegro Microsystems PEG Ratio vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Allegro Microsystems's PEG Ratio distribution charts can be found below:

* The bar in red indicates where Allegro Microsystems's PEG Ratio falls into.


ALGM
73GF Score
Allegro Microsystems Inc ALGM
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Allegro Microsystems PEG Ratio Calculation

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The ratio we use is the 5-Year EBITDA growth rate.

Allegro Microsystems's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=102.75/-18.80
=N/A

* 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.

Is Allegro Microsystems (ALGM) Overvalued in 2026?

Based on GuruFocus' analysis, Allegro Microsystems stock appears to be overvalued. The current stock price of $55.49 is trading 88.5% above its estimated GF Value™ of $29.44. GuruFocus considers Allegro Microsystems to be Significantly Overvalued.

Key valuation signals for ALGM:

  • PEG Ratio: N/A
  • GF Value™: $29.44 vs. price of $55.49 (88.5% above fair value)
  • GF Score™: 73/100 with 8 warning signs

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


Allegro Microsystems Business Description

Other Exchanges ALGM:Mexico6V5:Germany
Address 955 Perimeter Road, Manchester, NH, USA, 03103
Allegro Microsystems Inc is a designer, developer, fabless manufacturer, and marketer of sensor ICs and application-specific analog power ICs for automotive and industrial markets. Its Sensor IC allows customers to precisely measure motion, speed, position, and current, and Power ICs include high-temperature and high-voltage capable motor drivers, power management, and LED driver ICs. Its products are divided into three categories: SENSE, which includes Current Sensors, Switches, and Latches, and Interface ICs among others; REGULATE, which includes Regulators, ClearPower Modules, and LED Drivers; and DRIVE, which includes BLDC Drivers, Brush DC, and others. Product-wise, the firm derives the majority of its revenue from sales of Magnetic sensors.
73GF Score

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

$55.49
Price
$29.44
GF Value