ASPN (Aspen Aerogels) Shiller PE Ratio: (As of Sep. 09, 2026)

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ASPN Aspen Aerogels Inc ASPN
66 GF Score
Price $4.84
GF Value $5.04
Valuation Fairly Valued
! 5 Warning Signs
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What is Aspen Aerogels Shiller PE Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


Aspen Aerogels  (NYSE:ASPN) Shiller PE Ratio Explanation

Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.

Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.


Be Aware

Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.


Aspen Aerogels Shiller PE Ratio Related Terms


Aspen Aerogels Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for Aspen Aerogels's Shiller PE 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.

Aspen Aerogels Shiller PE Ratio Chart

Aspen Aerogels Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shiller PE Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

Aspen Aerogels Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Shiller PE 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 0.00 0.00 0.00 0.00 0.00

ASPN vs GEVO, OEC, ALTO: Shiller PE Ratio Comparison

For the Specialty Chemicals subindustry, Aspen Aerogels's Shiller PE Ratio, along with its competitors' market caps and Shiller PE 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.


Aspen Aerogels Shiller PE Ratio vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, Aspen Aerogels's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Aspen Aerogels's Shiller PE Ratio falls into.


ASPN
66GF Score
Aspen Aerogels Inc ASPN
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Aspen Aerogels Shiller PE Ratio Calculation

For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.

Aspen Aerogels's E10 for the quarter that ended in Jun. 2026 is calculated as:

For example, Aspen Aerogels's adjusted earnings per share data for the three months ended in Jun. 2026 was:

Adj_EPS=Earnings per Share (Diluted)/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=-0.28/333.9520*333.9520
=-0.280

Current CPI (Jun. 2026) = 333.9520.

Aspen Aerogels Quarterly Data

Earnings per Share (Diluted) CPI Adj_EPS
201609 -0.130 241.428 -0.180
201612 -0.250 241.432 -0.346
201703 -0.390 243.801 -0.534
201706 -0.230 244.955 -0.314
201709 -0.130 246.819 -0.176
201712 -0.070 246.524 -0.095
201803 -0.290 249.554 -0.388
201806 -0.290 251.989 -0.384
201809 -0.270 252.439 -0.357
201812 -0.590 251.233 -0.784
201903 -0.250 254.202 -0.328
201906 -0.220 256.143 -0.287
201909 -0.090 256.759 -0.117
201912 -0.040 256.974 -0.052
202003 -0.130 258.115 -0.168
202006 -0.210 257.797 -0.272
202009 -0.250 260.280 -0.321
202012 -0.230 260.474 -0.295
202103 -0.220 264.877 -0.277
202106 -0.230 271.696 -0.283
202109 -0.240 274.310 -0.292
202112 -0.500 278.802 -0.599
202203 -0.590 287.504 -0.685
202206 -0.680 296.311 -0.766
202209 -0.750 296.808 -0.844
202212 -0.200 296.797 -0.225
202303 -0.240 301.836 -0.266
202306 -0.220 305.109 -0.241
202309 -0.190 307.789 -0.206
202312 -0.010 306.746 -0.011
202403 -0.020 312.332 -0.021
202406 0.210 314.175 0.223
202409 -0.170 315.301 -0.180
202412 0.140 315.605 0.148
202503 -3.670 319.799 -3.832
202506 -0.110 322.561 -0.114
202509 -0.080 324.800 -0.082
202512 -0.880 324.054 -0.907
202603 -0.290 330.213 -0.293
202606 -0.280 333.952 -0.280

Add all the adjusted EPS together and divide 10 will get our E10.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

Is Aspen Aerogels (ASPN) Overvalued in 2026?

Based on GuruFocus' analysis, Aspen Aerogels stock appears to be undervalued. The current stock price of $4.84 is trading 4% below its estimated GF Value™ of $5.04. GuruFocus considers Aspen Aerogels to be Fairly Valued.

Key valuation signals for ASPN:

  • Shiller PE Ratio:
  • GF Value™: $5.04 vs. price of $4.84 (4% below fair value)
  • GF Score™: 66/100 with 5 warning signs

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


Aspen Aerogels Business Description

Address 30 Forbes Road, Building B, Northborough, MA, USA, 01532
Aspen Aerogels Inc is an aerogel technology company that designs, develops, and manufactures high-performance aerogel insulation used in the energy industrial and sustainable insulation markets. The company also conducts research and development related to aerogel technology, supported by funding from several agencies of the United States of America government and other institutions in the form of research and development contracts. It is engaged in two operating segment Energy Industrial and Thermal Barrier. Geographically, it operates in the U.S. and also has a presence in other International countries. It generates the majority of its revenue from the Thermal Barrier segment and the United States market. Some of its products include Pyrogel XTE, Cryogel Z, Spaceloft Subsea, and others.
66GF Score

Get the complete analysis for ASPN

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

$4.84
Price
$5.04
GF Value