Alto Ingredients, Inc. (ALTO) P/E Ratio History
UndervaluedTrading at 23.6x vs 5Y avg 59.2x · 75th percentile · Below historical baseline · Data 2007–2026
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P/E Ratio Analysis
As of October 3, 2026, Alto Ingredients, Inc. (ALTO) trades at a price-to-earnings ratio of 23.6x, with a stock price of $3.77 and trailing twelve-month earnings per share of $0.67.
The current P/E is 60% below its 5-year average of 59.2x. 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 75th percentile of its historical range.
Compared to the Basic Materials sector median P/E of 20.9x, ALTO is roughly in line with its sector peers. The sector includes 123 companies with P/E ratios ranging from 0.6x to 152.3x.
Relative to the broader market, ALTO trades roughly in line with the S&P 500 median P/E of 24.5x. 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 Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
ALTO P/E vs Peers
Ingredients, pigments and specialty minerals peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $1B | 17.3 | 0.23Best | +52% | |
| $2B | 24.2 | 0.37 | -16% | |
| $39B | 36.1 | - | -39% | |
| $6B | 8.5Lowest | 0.51 | +15% | |
| $5B | 689.8 | - | -48% | |
| $21B | 21.7 | - | -38% | |
| $18B | 12.8 | 0.29 | +33% | |
| $7B | 12.4 | - | +209%Best |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
ALTO Historical P/E Data (2007–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q2 | - | $5.70 | $0.67 | 8.5x | -90% |
| FY2026 Q1 | - | $4.84 | $0.37 | 13.0x | -85% |
| FY2025 Q4 | Dec 31 2025 | $2.88 | $0.16 | 18.0x | -79% |
| FY2022 Q3 | Sep 30 2022 | $3.64 | $0.37 | 9.9x | -88% |
| FY2022 Q2 | - | $3.71 | $0.71 | 5.3x | -94% |
| FY2022 Q1 | - | $6.82 | $0.52 | 13.2x | -84% |
| FY2021 Q4 | Dec 31 2021 | $4.81 | $0.62 | 7.8x | -91% |
| FY2021 Q2 | Jun 30 2021 | $6.11 | $0.11 | 55.5x | -34% |
| FY2021 Q1 | Mar 31 2021 | $5.43 | $0.27 | 20.1x | -76% |
| FY2017 Q1 | Mar 31 2017 | $6.85 | $0.03 | 256.6x | +205% |
| FY2016 Q4 | Dec 31 2016 | $9.50 | $0.02 | 568.9x | +576% |
| FY2015 Q2 | - | $10.32 | $0.50 | 20.6x | -75% |
| FY2015 Q1 | - | $10.79 | $1.15 | 9.4x | -89% |
| FY2014 Q4 | Dec 31 2014 | $10.33 | $0.66 | 15.7x | -81% |
| FY2014 Q3 | - | $13.96 | $0.70 | 19.9x | -76% |
| FY2014 Q2 | Jun 30 2014 | $15.29 | $0.17 | 89.9x | +7% |
| FY2012 Q1 | Mar 31 2012 | $16.50 | $0.48 | 34.4x | -59% |
| FY2011 Q4 | Dec 31 2011 | $15.90 | $1.04 | 15.3x | -82% |
| FY2011 Q1 | - | $66.15 | $121.45 | 0.5x | -99% |
| FY2010 Q4 | Dec 31 2010 | $75.78 | $101.98 | 0.7x | -99% |
| FY2007 Q2 | Jun 30 2007 | $1386.00 | $7.45 | 186.0x | +121% |
| FY2007 Q1 | Mar 31 2007 | $1788.15 | $3.72 | 480.7x | +472% |
Average P/E for displayed period: 84.1x
ALTO Chart Terminal
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Intrinsic Valuation
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Historical Returns
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Peer Comparison
Compare growth, multiples, and margins vs sector.
ALTO — Frequently Asked Questions
Quick answers to the most common questions about buying ALTO stock.
What is ALTO's P/E ratio?
Alto Ingredients, Inc. (ALTO) trailing twelve-month P/E ratio is 23.6x, based on TTM diluted EPS of $0.67. The 5-year average P/E is 59.2x and the historical range spans 0.5x to 568.9x.
Is ALTO stock overvalued or undervalued?
ALTO trades at 23.6x P/E, below its 5-year average of 59.2x. At the 75th percentile of its historical range (0.5x–568.9x), the stock is priced at a discount to its own history.
Is ALTO stock expensive?
No, ALTO is not expensive on a historical basis. The current P/E of 23.6x is below the 5-year average of 59.2x and sits at the 75th percentile of its valuation range.
What is ALTO's historical P/E range?
Over the past 5 years, ALTO's P/E ratio has ranged from 0.5x to 568.9x, with a median of 15.7x and an average of 59.2x. The current P/E of 23.6x places the stock at the 75th percentile of this range. Full historical data spans 2007–2026.
How does ALTO's P/E compare to the S&P 500?
ALTO trades at 23.6x P/E versus the S&P 500 median of 24.5x. The 4% discount to the market suggests lower growth expectations or perceived higher risk.
How does ALTO's valuation compare to Basic Materials peers?
Alto Ingredients, Inc. P/E of 23.6x compares to the Basic Materials sector median of 20.9x. The premium reflects expected growth above peers or stronger fundamentals. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is ALTO's PEG ratio?
ALTO PEG ratio is N/A, based on a P/E of 23.6x and EPS growth of 119.5%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is ALTO's earnings yield?
ALTO earnings yield is 4.24%, the inverse of its 23.6x 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.