Ascent Solar Technologies, Inc. Common Stock (ASTI) P/E Ratio History
Historical price-to-earnings valuation from 2021 to 2021
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ASTI Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 9, 2026, Ascent Solar Technologies, Inc. Common Stock (ASTI) trades at a price-to-earnings ratio of -1.4x, with a stock price of $4.32 and trailing twelve-month earnings per share of $-3.06.
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 16.7x, ASTI trades at a 108% discount to its sector peers. The sector includes 172 companies with P/E ratios ranging from 3.0x to 184.4x.
Relative to the broader market, ASTI trades at a notable discount to the S&P 500 median P/E of 24.9x. 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 P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $24B | 15.5Lowest | 0.50Best | +18% | |
| $1B | 44.2 | - | +43% | |
| $5B | 28.3 | 4.48 | +72%Best |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
ASTI Historical P/E Data (2021–2021)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2021 Q2 | Wed Jun 30 2021 00:00:00 GM | $999999.00 | $620.00 | 1612.9x | -16% |
| FY2021 Q1 | Wed Mar 31 2021 00:00:00 GM | $999999.00 | $450.00 | 2222.2x | +16% |
Average P/E for displayed period: 1917.6x
See ASTI's True Return
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Start ComparisonASTI — Frequently Asked Questions
Quick answers to the most common questions about buying ASTI stock.
Is ASTI stock overvalued or undervalued?
ASTI trades at -1.4x P/E, below its 5-year average of 1917.6x. At the N/A percentile of historical range, the stock is priced at a discount to its own history.
How does ASTI's valuation compare to peers?
Ascent Solar Technologies, Inc. Common Stock P/E of -1.4x compares to sector median of 16.7x. The discount suggests lower growth expectations or higher risk.
What is ASTI's PEG ratio?
ASTI PEG ratio is N/A. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 2021-2021.