ASTI (Ascent Solar Technologies) Shiller PE Ratio: (As of Sep. 12, 2026)

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ASTI Ascent Solar Technologies Inc ASTI
30 GF Score
Price $2.86
GF Value $0.61
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Ascent Solar Technologies Shiller PE Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


Ascent Solar Technologies  (NAS:ASTI) 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.


Ascent Solar Technologies Shiller PE Ratio Related Terms


Ascent Solar Technologies Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for Ascent Solar Technologies'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.

Ascent Solar Technologies Shiller PE Ratio Chart

Ascent Solar Technologies 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

Ascent Solar Technologies 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

ASTI vs BEEM, SPRU, PN: Shiller PE Ratio Comparison

For the Solar subindustry, Ascent Solar Technologies'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.


Ascent Solar Technologies Shiller PE Ratio vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Ascent Solar Technologies's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Ascent Solar Technologies's Shiller PE Ratio falls into.


ASTI
30GF Score
Ascent Solar Technologies Inc ASTI
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Ascent Solar Technologies 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.

Ascent Solar Technologies's E10 for the quarter that ended in Jun. 2026 is calculated as:

For example, Ascent Solar Technologies'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)
=-0.19/333.9520*333.9520
=-0.190

Current CPI (Jun. 2026) = 333.9520.

Ascent Solar Technologies Quarterly Data

Earnings per Share (Diluted) CPI Adj_EPS
201609 0.000 241.428 0.000
201612 0.000 241.432 0.000
201703 0.000 243.801 0.000
201706 0.000 244.955 0.000
201709 0.000 246.819 0.000
201712 0.000 246.524 0.000
201803 0.000 249.554 0.000
201806 0.000 251.989 0.000
201809 0.000 252.439 0.000
201812 -2,818,666.333 251.233 -3,746,718.223
201903 1,080,245.667 254.202 1,419,147.768
201906 -648,947.000 256.143 -846,078.747
201909 -45,693.036 256.759 -59,430.364
201912 -62,466.191 256.974 -81,178.288
202003 136,004.106 258.115 175,963.595
202006 -26,095.404 257.797 -33,804.165
202009 49,819.635 260.280 63,921.034
202012 -33,195.630 260.474 -42,559.899
202103 1,000.000 264.877 1,260.781
202106 -9,251.033 271.696 -11,370.800
202109 -13,086.296 274.310 -15,931.591
202112 -15,014.787 278.802 -17,984.872
202203 -4,000.000 287.504 -4,646.224
202206 -1,600.000 296.311 -1,803.251
202209 -4,771.000 296.808 -5,368.066
202212 -3,030.000 296.797 -3,409.315
202303 -3,421.000 301.836 -3,785.002
202306 -6,640.000 305.109 -7,267.702
202309 -404.000 307.789 -438.341
202312 -320.623 306.746 -349.060
202403 -53.000 312.332 -56.669
202406 -6.760 314.175 -7.186
202409 -1.370 315.301 -1.451
202412 -1.024 315.605 -1.084
202503 -1.130 319.799 -1.180
202506 -1.170 322.561 -1.211
202509 -0.620 324.800 -0.637
202512 -0.400 324.054 -0.412
202603 -0.270 330.213 -0.273
202606 -0.190 333.952 -0.190

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 Ascent Solar Technologies (ASTI) Overvalued in 2026?

Based on GuruFocus' analysis, Ascent Solar Technologies stock appears to be overvalued. The current stock price of $2.86 is trading 368.9% above its estimated GF Value™ of $0.61. GuruFocus considers Ascent Solar Technologies to be Significantly Overvalued.

Key valuation signals for ASTI:

  • Shiller PE Ratio:
  • GF Value™: $0.61 vs. price of $2.86 (368.9% above fair value)
  • GF Score™: 30/100 with 6 warning signs

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


Ascent Solar Technologies Business Description

Other Exchanges A8M:Germany
Address 12300 Grant Street, Thornton, CO, USA, 80241
Ascent Solar Technologies Inc is a solar technology company that manufactures and sells photovoltaic (PV) solar modules that are flexible, durable, and possess attractive power to weight and power to area performance. Its technology provides renewable power solutions to high-value production and specialty solar markets where traditional rigid solar panels are not suitable, including space power beaming, aerospace, satellites, near earth orbiting vehicles, fixed wing unmanned aerial vehicles (UAV), aquatic, terrestrial, and other weight-sensitive markets with transformational high quality, value added product applications. It operates in single PV segment that sells PV products and engineering services and currently, is selling it in North America.
30GF Score

Get the complete analysis for ASTI

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

$2.86
Price
$0.61
GF Value