Alto Ingredients, Inc. (ALTO) P/E Ratio History
Historical price-to-earnings valuation from 2007 to 2025
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ALTO Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 8, 2026, Alto Ingredients, Inc. (ALTO) trades at a price-to-earnings ratio of 28.4x, with a stock price of $4.54 and trailing twelve-month earnings per share of $0.17.
The current P/E is 69% below its 5-year average of 91.4x. Over the past five years, ALTO's P/E has ranged from a low of 0.5x to a high of 568.9x, placing the current valuation at the 65th percentile of its historical range.
Compared to the Basic Materials sector median P/E of 23.4x, ALTO trades at a 21% premium to its sector peers. The sector includes 125 companies with P/E ratios ranging from 2.0x to 144.2x.
Relative to the broader market, ALTO trades roughly in line with the S&P 500 median P/E of 25.1x. 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 ALTO 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.
ALTO P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $2B | 29.5 | 0.55 | -5% | |
| $2B | 25.3 | 0.39 | -16% | |
| $37B | 34.8 | - | -39% | |
| $7B | 9.6 | 0.57 | +15% | |
| $5B | 712.1 | - | -48% | |
| $24B | 25.2 | - | -38% | |
| $18B | 13.2 | 0.30Best | +33% | |
| $7B | 5.9Lowest | 0.34 | +605%Best |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
ALTO Historical P/E Data (2007–2025)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2025 Q4 | Wed Dec 31 2025 00:00:00 GM | $2.88 | $0.16 | 18.0x | -80% |
| FY2022 Q3 | Fri Sep 30 2022 00:00:00 GM | $3.64 | $0.37 | 9.9x | -89% |
| FY2022 Q2 | $3.71 | $0.71 | 5.3x | -94% | |
| FY2022 Q1 | $6.82 | $0.52 | 13.2x | -86% | |
| FY2021 Q4 | Fri Dec 31 2021 00:00:00 GM | $4.81 | $0.62 | 7.8x | -91% |
| FY2021 Q2 | Wed Jun 30 2021 00:00:00 GM | $6.11 | $0.11 | 55.5x | -39% |
| FY2021 Q1 | Wed Mar 31 2021 00:00:00 GM | $5.43 | $0.27 | 20.1x | -78% |
| FY2017 Q1 | Fri Mar 31 2017 00:00:00 GM | $6.85 | $0.03 | 256.6x | +181% |
| FY2016 Q4 | Sat Dec 31 2016 00:00:00 GM | $9.50 | $0.02 | 568.9x | +522% |
| FY2015 Q2 | $10.32 | $0.50 | 20.6x | -77% | |
| FY2015 Q1 | $10.79 | $1.15 | 9.4x | -90% | |
| FY2014 Q4 | Wed Dec 31 2014 00:00:00 GM | $10.33 | $0.66 | 15.7x | -83% |
Average P/E for displayed period: 91.4x
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Start ComparisonALTO — Frequently Asked Questions
Quick answers to the most common questions about buying ALTO stock.
Is ALTO stock overvalued or undervalued?
ALTO trades at 28.4x P/E, below its 5-year average of 91.4x. At the 65th percentile of historical range, the stock is priced at a discount to its own history.
How does ALTO's valuation compare to peers?
Alto Ingredients, Inc. P/E of 28.4x compares to sector median of 23.4x. The premium reflects expected growth above peers.
What is ALTO's PEG ratio?
ALTO PEG ratio is N/A. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 2007-2025.