Ascent Solar Technologies, Inc. Common Stock (ASTI) P/E Ratio History
Deep ValueTrading at -1.6x · 0th percentile of 5-year range · Significant discount to historical valuation · Data 2021–2021
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P/E Ratio Analysis
As of June 28, 2026, Ascent Solar Technologies, Inc. Common Stock (ASTI) trades at a price-to-earnings ratio of -1.6x, with a stock price of $4.88 and trailing twelve-month earnings per share of $-1.05.
The current P/E is 100% below its 5-year average of 1917.6x. Over the past five years, ASTI's P/E has ranged from a low of 1612.9x to a high of 2222.2x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Energy sector median P/E of 15.9x, ASTI trades at a 110% discount to its sector peers. The sector includes 173 companies with P/E ratios ranging from 0.5x to 167.3x.
Relative to the broader market, ASTI trades at a notable discount to the S&P 500 median P/E of 25.3x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our ASTI DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
ASTI Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
ASTI P/E vs Peers
Solar modules and inverters peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $26B | 16.8Lowest | 0.55Best | +18% | |
| $2B | 45.0 | - | +43% | |
| $6B | 36.9 | 5.85 | +72%Best |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
ASTI Historical P/E Data (2021–2021)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2021 Q2 | Jun 30 2021 | $999999.00 | $620.00 | 1612.9x | -16% |
| FY2021 Q1 | Mar 31 2021 | $999999.00 | $450.00 | 2222.2x | +16% |
Average P/E for displayed period: 1917.6x
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
5+ years return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
ASTI — Frequently Asked Questions
Quick answers to the most common questions about buying ASTI stock.
What is ASTI's P/E ratio?
Ascent Solar Technologies, Inc. Common Stock (ASTI) trailing twelve-month P/E ratio is -1.6x, based on TTM diluted EPS of $-1.05. The 5-year average P/E is 1917.6x and the historical range spans 1612.9x to 2222.2x.
Is ASTI stock overvalued or undervalued?
ASTI trades at -1.6x P/E, below its 5-year average of 1917.6x. At the 0th percentile of its historical range (1612.9x–2222.2x), the stock is priced at a discount to its own history.
Is ASTI stock expensive?
No, ASTI is not expensive on a historical basis. The current P/E of -1.6x is below the 5-year average of 1917.6x and sits at the 0th percentile of its valuation range.
What is ASTI's historical P/E range?
Over the past 5 years, ASTI's P/E ratio has ranged from 1612.9x to 2222.2x, with a median of 2222.2x and an average of 1917.6x. The current P/E of -1.6x places the stock at the 0th percentile of this range. Full historical data spans 2021–2021.
How does ASTI's P/E compare to the S&P 500?
ASTI trades at -1.6x P/E versus the S&P 500 median of 25.3x. The 106% discount to the market suggests lower growth expectations or perceived higher risk.
How does ASTI's valuation compare to Energy peers?
Ascent Solar Technologies, Inc. Common Stock P/E of -1.6x compares to the Energy sector median of 15.9x. The discount suggests lower growth expectations, weaker margins, or higher perceived risk relative to peers. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is ASTI's PEG ratio?
ASTI PEG ratio is N/A, based on a P/E of -1.6x and EPS growth of 70.2%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is ASTI's earnings yield?
ASTI earnings yield is N/A, the inverse of its -1.6x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.