Tearsheet

Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.

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Megatrend and thematic drivers
Megatrends include Energy Transition & Decarbonization, and Circular Economy & Recycling. Themes include Renewable Fuel Production, Carbon Capture & Storage, Show more.

Weak multi-year price returns
2Y Excs Rtn is -86%, 3Y Excs Rtn is -71%

Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -37 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -18%

Debt is significant
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is 252%

Expensive valuation multiples
P/CFOPrice/(Cash Flow from Operations). CFO is cash before capital expenditures. is 46x

Weak revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is -22%, Rev Chg 3Y AvgRevenue Change % averaged over trailing 3 years is -2.1%

Not cash flow generative
FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -11%

Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -56%

Key risks
AMTX key risks include [1] significant financial distress that raises substantial doubt about its ability to continue as a going concern and [2] major execution risk on its ambitious expansion projects for renewable natural gas, Show more.

0 Megatrend and thematic drivers
Megatrends include Energy Transition & Decarbonization, and Circular Economy & Recycling. Themes include Renewable Fuel Production, Carbon Capture & Storage, Show more.
1 Weak multi-year price returns
2Y Excs Rtn is -86%, 3Y Excs Rtn is -71%
2 Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -37 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -18%
3 Debt is significant
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is 252%
4 Expensive valuation multiples
P/CFOPrice/(Cash Flow from Operations). CFO is cash before capital expenditures. is 46x
5 Weak revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is -22%, Rev Chg 3Y AvgRevenue Change % averaged over trailing 3 years is -2.1%
6 Not cash flow generative
FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -11%
7 Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -56%
8 Key risks
AMTX key risks include [1] significant financial distress that raises substantial doubt about its ability to continue as a going concern and [2] major execution risk on its ambitious expansion projects for renewable natural gas, Show more.

Valuation, Metrics & Events

Price Chart

Why The Stock Moved

Qualitative Assessment

AI Analysis | Feedback

Aemetis (AMTX) stock has gained about 65% since 12/31/2025 because of the following key factors:

1. Significant Growth in Dairy Renewable Natural Gas (RNG) Production and Biogas Segment Profitability.

Aemetis reported a substantial 61% year-over-year increase in Dairy Renewable Natural Gas (RNG) production during the fourth quarter of 2025. This strong operational performance contributed to its biogas segment generating a net income of $12.2 million for Q4 2025, demonstrating considerable growth in a key renewable energy sector.

2. Projected Annual Cash Flow Increase from Keyes Ethanol Plant Upgrade.

The company's mechanical vapor recompression (MVR) upgrade at its Keyes ethanol plant, anticipated for completion in 2026, is expected to significantly enhance annual cash flow from operations by approximately $32 million. This improvement is attributed to reduced energy costs and higher income from Low Carbon Fuel Standard (LCFS) credits.

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Stock Movement Drivers

Fundamental Drivers

The 61.9% change in AMTX stock from 12/31/2025 to 4/18/2026 was primarily driven by a 62.0% change in the company's P/S Multiple.
(LTM values as of)123120254182026Change
Stock Price ($)1.392.2561.9%
Change Contribution By: 
Total Revenues ($ Mil)2012083.3%
P/S Multiple0.40.762.0%
Shares Outstanding (Mil)6466-3.3%
Cumulative Contribution61.9%

LTM = Last Twelve Months as of date shown

Market Drivers

12/31/2025 to 4/18/2026
ReturnCorrelation
AMTX63.3% 
Market (SPY)-5.4%1.5%
Sector (XLB)14.4%15.1%

Fundamental Drivers

The 0.0% change in AMTX stock from 9/30/2025 to 4/18/2026 was primarily driven by a 22.7% change in the company's P/S Multiple.
(LTM values as of)93020254182026Change
Stock Price ($)2.252.250.0%
Change Contribution By: 
Total Revenues ($ Mil)224208-7.0%
P/S Multiple0.60.722.7%
Shares Outstanding (Mil)5866-12.4%
Cumulative Contribution0.0%

LTM = Last Twelve Months as of date shown

Market Drivers

9/30/2025 to 4/18/2026
ReturnCorrelation
AMTX0.9% 
Market (SPY)-2.9%19.8%
Sector (XLB)16.4%27.1%

Fundamental Drivers

The 29.3% change in AMTX stock from 3/31/2025 to 4/18/2026 was primarily driven by a 118.9% change in the company's P/S Multiple.
(LTM values as of)33120254182026Change
Stock Price ($)1.742.2529.3%
Change Contribution By: 
Total Revenues ($ Mil)268208-22.3%
P/S Multiple0.30.7118.9%
Shares Outstanding (Mil)5066-24.0%
Cumulative Contribution29.3%

LTM = Last Twelve Months as of date shown

Market Drivers

3/31/2025 to 4/18/2026
ReturnCorrelation
AMTX30.5% 
Market (SPY)16.3%20.9%
Sector (XLB)22.5%21.6%

Fundamental Drivers

The -3.0% change in AMTX stock from 3/31/2023 to 4/18/2026 was primarily driven by a -46.4% change in the company's Shares Outstanding (Mil).
(LTM values as of)33120234182026Change
Stock Price ($)2.322.25-3.0%
Change Contribution By: 
Total Revenues ($ Mil)257208-18.9%
P/S Multiple0.30.7123.1%
Shares Outstanding (Mil)3566-46.4%
Cumulative Contribution-3.0%

LTM = Last Twelve Months as of date shown

Market Drivers

3/31/2023 to 4/18/2026
ReturnCorrelation
AMTX-2.2% 
Market (SPY)63.3%24.7%
Sector (XLB)35.8%22.0%

Return vs. Risk

Price Returns Compared

 202120222023202420252026Total [1]
Returns
AMTX Return394%-68%32%-49%-48%74%-3%
Peers Return33%-26%-23%-19%7%27%-16%
S&P 500 Return27%-19%24%23%16%3%87%

Monthly Win Rates [3]
AMTX Win Rate50%33%50%33%25%50% 
Peers Win Rate54%50%47%42%42%50% 
S&P 500 Win Rate75%42%67%75%67%50% 

Max Drawdowns [4]
AMTX Max Drawdown0%-70%-56%-58%-54%0% 
Peers Max Drawdown-11%-37%-39%-53%-55%-10% 
S&P 500 Max Drawdown-1%-25%-1%-2%-15%-7% 


[1] Cumulative total returns since the beginning of 2021
[2] Peers: GPRE, CLNE, ALTO, GEVO, OPAL.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2026 data is for the year up to 4/17/2026 (YTD)

How Low Can It Go

Unique KeyEventAMTXS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-93.4%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven1413.9%34.1%
2022 Inflation ShockTime to BreakevenTime to BreakevenNot Fully Recovered days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-59.9%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven149.5%51.3%
2020 Covid PandemicTime to BreakevenTime to Breakeven79 days148 days
2018 Correction2018 Correction  
2018 Correction% Loss% Loss-82.4%-19.8%
2018 Correction% Gain to Breakeven% Gain to Breakeven469.8%24.7%
2018 CorrectionTime to BreakevenTime to Breakeven600 days120 days
2008 Global Financial Crisis2008 Global Financial Crisis  
2008 Global Financial Crisis% Loss% Loss-99.2%-56.8%
2008 Global Financial Crisis% Gain to Breakeven% Gain to Breakeven11955.6%131.3%
2008 Global Financial CrisisTime to BreakevenTime to Breakeven1,954 days1,480 days

Compare to GPRE, CLNE, ALTO, GEVO, OPAL

In The Past

Aemetis's stock fell -93.4% during the 2022 Inflation Shock from a high on 4/8/2021. A -93.4% loss requires a 1413.9% gain to breakeven.

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About Aemetis (AMTX)

Aemetis, Inc. operates as a renewable natural gas and renewable fuels company in North America and India. It operates through three segments: California Ethanol, Dairy Renewable Natural Gas, and India Biodiesel. The company focuses on the acquisition, development, and commercialization of negative carbon intensity products and technologies that replace traditional petroleum-based products. It sells biodiesel primarily to government oil marketing companies, transport companies, resellers, distributors, and private refiners through its own sales force and independent sales agents, as well as to brokers who resell the product to end-users. The company also produces and sells ethanol; and wet distillers grains, distillers corn oil, and condensed distillers solubles to dairies and feedlots as animal feed. In addition, it produces dairy biogas; produces and sells high-grade alcohol and various feed products, as well as hand sanitizers; and researches and develops conversion technologies using waste feedstocks to produce biofuels and biochemicals. The company was formerly known as AE Biofuels, Inc. and changed its name to Aemetis, Inc. in November 2011. Aemetis, Inc. was founded in 2005 and is headquartered in Cupertino, California.

AI Analysis | Feedback

Here are 1-3 brief analogies for Aemetis (AMTX):

  • Like Darling Ingredients, but focused on producing a wider range of renewable fuels and natural gas from waste feedstocks.
  • A green energy refiner, similar to a Valero or Marathon Petroleum, but exclusively producing renewable fuels from waste instead of traditional petroleum.

AI Analysis | Feedback

  • Biodiesel: A renewable fuel sold primarily to government oil marketing companies, transport companies, and private refiners.
  • Ethanol: A renewable fuel produced and sold for various applications.
  • Renewable Natural Gas: Produced as dairy biogas, this is a clean energy source.
  • Animal Feed Products: Byproducts of ethanol production, including wet distillers grains, distillers corn oil, and condensed distillers solubles, sold as animal feed.
  • High-Grade Alcohol: Produced and sold for various industrial and commercial uses.
  • Hand Sanitizers: Manufactured and sold, typically for hygiene purposes.

AI Analysis | Feedback

Aemetis (AMTX) primarily sells its products to other companies. Based on the provided description, its major customer categories include:

  • Government oil marketing companies
  • Transport companies
  • Resellers and Distributors
  • Private Refiners
  • Brokers (who then resell to end-users)
  • Dairies and Feedlots (for animal feed products)

The description does not specify individual named customer companies or their symbols, but rather the types of companies it serves.

AI Analysis | Feedback

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AI Analysis | Feedback

Aemetis (AMTX) has a management team with extensive experience in renewable fuels and related industries. Here are five key members of the management team, including the CEO and CFO:

Eric A. McAfee, Founder, Chief Executive Officer, Chairman of the Board

Eric A. McAfee co-founded Aemetis (initially AE Biofuels) in 2006 and has served as Chairman since February 2006 and CEO since February 2007. He is an entrepreneur, venture capitalist, and philanthropist with significant experience in private equity and venture capital as Chairman of McAfee Capital and Managing Director at Cagan McAfee Capital Partners. McAfee has founded and funded over thirty companies in sectors such as renewable energy, oil & gas, networking equipment, enterprise software, medical devices, and agriculture. He founded seven companies that went public, including Aemetis, Pacific Ethanol (which reached a valuation of approximately $1.8 billion by 2006 after securing funding from Bill Gates' investment fund and a public stock offering), Evolution Petroleum, and Procera Networks (which was sold). He also played pivotal roles in the formation of Pacific Ethanol and Evolution Petroleum. His educational background includes a B.S. in Management from Fresno State and executive training from Stanford University and Harvard Business School. He was Entrepreneur in Residence at Wharton in 2007.

Todd A. Waltz, Executive Vice President, Chief Financial Officer, and Corporate Secretary

Todd A. Waltz joined Aemetis in 2007 as Corporate Controller and has served as Chief Financial Officer since 2010. He has been instrumental in the company's NASDAQ listing and in arranging over $400 million of debt and capital. Waltz's prior experience includes commercial banking, Ernst & Young, and senior financial management roles at Apple, Inc. He also served as Chairman, President, CEO, Secretary & Treasurer of Vision Global Solutions, Inc. from 2011 to 2013 and as Chief Financial Officer & Executive Vice President of AE Biofuels, Inc. from 2010 to 2011. He holds a BA from Mount Union College, an MBA from Santa Clara University, and an MS in Taxation from San Jose State University.

Andrew B. Foster, Executive Vice President and Chief Operating Officer

Andrew B. Foster joined Aemetis at its founding in 2006. He oversees operations for the 65 million-gallon-per-year Keyes, CA ethanol biorefinery and California dairy renewable natural gas (RNG) assets, and has managed the planning and implementation of over $150 million in capital projects. Foster also leads regulatory and carbon market compliance and monetization. He previously served as President & Chief Operating Officer at American Ethanol, Inc. from 2006 to 2007 and as Executive Vice President at AE Biofuels, Inc. from 2007 to 2011. His background also includes roles at BMC Software, Inc., Cadence Design Systems, Inc., eSilicon Corp., and Marimba, Inc. He holds a Bachelor of Arts from Marquette University. Through his work with Aemetis RNG, Foster has established a dairy and biogas capture network that is positioned to make Aemetis one of the largest producers of dairy RNG.

Sanjeev Gupta, Executive Vice President, Aemetis International

Sanjeev Gupta serves as the Executive Vice President for Aemetis International. His role involves leadership within Aemetis' international operations, particularly in India where the company has significant biodiesel production facilities.

J. Michael Rockett, Executive Vice President, General Counsel and Corporate Secretary

J. Michael Rockett was appointed as Executive Vice President, General Counsel and Corporate Secretary of Aemetis in August 2024. He is responsible for the company's legal and compliance functions.

AI Analysis | Feedback

The key risks to Aemetis (AMTX) are as follows:

  1. Financial Health and Liquidity: Aemetis faces significant financial challenges, characterized by poor financial strength, a distressed Altman Z-Score, and high leverage with a negative debt-to-equity ratio. The company has a history of incurring substantial net losses and negative operating margins, along with a limited cash runway. This financial instability raises concerns about its ability to meet impending debt maturities and fund ongoing operations and growth initiatives, often relying on debt, equity financing, and the monetization of tax credits.
  2. Regulatory and Policy Dependence: A substantial portion of Aemetis's business, particularly in renewable natural gas and renewable fuels, is highly dependent on government regulations, policies, and incentives. These include programs such as the Low Carbon Fuel Standard (LCFS) credits and the 45Z production tax credit. Changes, delays in implementation, or the expiration of these policies can significantly impact the company's revenue streams, project economics, and overall profitability.
  3. Commodity Price Volatility and Competition: Aemetis is exposed to volatility in the market prices of its raw materials, such as corn for ethanol production, and the selling prices of its finished products, including ethanol and biodiesel. The company also operates in highly competitive markets for these renewable fuels and renewable natural gas, which can put pressure on pricing and margins.

AI Analysis | Feedback

The accelerated and widespread adoption of electric and hydrogen fuel cell vehicles poses a clear emerging threat to Aemetis. As these zero-emission transportation technologies gain market share, they fundamentally reduce the long-term demand for liquid and gaseous fuels, including renewable alternatives like ethanol, biodiesel, and renewable natural gas, which are core products for Aemetis.

AI Analysis | Feedback

Aemetis, Inc. operates in significant addressable markets for its main products and services across North America and India.

Renewable Natural Gas (RNG)

The renewable natural gas market in North America, where Aemetis operates its Dairy Renewable Natural Gas segment, was valued at USD 15.17 billion in 2024 and is projected to reach USD 30.13 billion by 2033, growing at a compound annual growth rate (CAGR) of 8.0% from 2025 to 2033. Another estimate places the North American RNG market at USD 14.0 billion in 2024, expanding to USD 29.7 billion by 2035 with a CAGR of 7.0% from 2025 to 2035. In 2024, North America held the largest share of the global RNG market, accounting for 35% to 45% of the total. The U.S. RNG market alone increased from $458 million in 2018 to $2.4 billion in 2024. The U.S. renewable natural gas market contributed $2.6 billion to the GDP in 2021. The resource potential for RNG in North America could exceed 7.8 billion cubic feet per day (bcfd) by 2050.

Ethanol

For its California Ethanol segment, the addressable market can be considered within the broader North American or U.S. ethanol market. The North America ethanol market size was estimated at USD 50.42 billion in 2024. It is expected to grow from USD 25.17 billion in 2024 to USD 54.26 billion by 2035, at a CAGR of 7.23% from 2025 to 2035. Another source indicates the North America ethanol market size reached USD 48.70 billion in 2023. Focusing on the U.S., the ethanol market size was USD 27.6 billion in 2024 and is projected to reach USD 42.1 billion by 2032, exhibiting a CAGR of 5.5% during the forecast period (2025–2032). Other estimates for the U.S. ethanol market size in 2025 are USD 32.76 billion, anticipated to reach USD 60.66 billion by 2032 with a CAGR of 9.20%.

In India, where Aemetis also operates, the ethanol market size was USD 3.4 billion in 2025 and is projected to grow to USD 11.8 billion by 2034, at a CAGR of 13.95% from 2026-2034. Another estimate for India's ethanol market size was $6.51 billion in 2023, expected to reach $10.45 billion by 2029 with a CAGR of 8.84%.

Biodiesel

For Aemetis' operations in North America, the biodiesel market was valued at USD 14.7 billion in 2023 and is anticipated to grow at a CAGR of 7.4% from 2024 to 2032, reaching USD 26.6 billion by 2032. The U.S. biodiesel market alone reached USD 15.2 billion in 2024 and is expected to grow to USD 23.7 billion by 2033, with a CAGR of 4.81% during 2025-2033. Another report states the U.S. biodiesel market size was USD 15.34 billion in 2024 and is predicted to increase to approximately USD 24.63 billion by 2034, expanding at a CAGR of 4.85% from 2025 to 2034.

In India, the biodiesel market was valued at USD 497.46 million in 2025 and is projected to reach USD 949.74 million by 2034, growing at a CAGR of 7.45% from 2026-2034. Other reports estimate the India biodiesel market size to be around US$ 0.37 billion in 2024, growing to approximately US$ 0.69 billion by 2033, at a CAGR of 7.05% from 2025 to 2033. India also has a government target of 5% biodiesel blending by 2030, requiring about 4.5 billion liters of biodiesel annually.

AI Analysis | Feedback

Aemetis (AMTX) is poised for future revenue growth over the next two to three years, driven by several strategic initiatives in its renewable natural gas and renewable fuels segments. Here are 4 expected drivers of future revenue growth for Aemetis: * Expansion of Dairy Renewable Natural Gas (RNG) Production: Aemetis' dairy renewable natural gas platform achieved positive segment net income and EBITDA in 2025, with production increasing 61% year-over-year in the fourth quarter. The company anticipates strong annual growth in cash flow and profitability from this segment over the next four years. Plans include bringing additional dairy digesters online in 2026, with equipment contracted for 15 more digesters, effectively doubling the number of operating dairies in their network and leading to increased RNG production and associated environmental credit generation. * Keyes Ethanol Plant Upgrades and Enhanced Monetization of Environmental Credits: The completion of the Mechanical Vapor Recompression (MVR) system at the Keyes ethanol plant in 2026 is projected to significantly increase plant cash flow by approximately $32 million per year. This upgrade is expected to reduce natural gas consumption by 80% and lower the carbon intensity of ethanol production, thereby improving its economic value. Furthermore, Aemetis anticipates substantial revenue and cash flow growth from the monetization of federal 45Z production tax credits and California Low Carbon Fuel Standard (LCFS) credits, which are crucial for all its renewable fuel products. * India Biodiesel and Sustainable Aviation Fuel (SAF) Expansion with Subsidiary IPO: Aemetis' India biodiesel facility generated $29.7 million in revenue in 2025, operating with an 80 million gallon biodiesel and 8 million gallon glycerin production capacity. The company is strategically expanding its India business into biogas production and sustainable aviation fuel (SAF). An initial public offering (IPO) for the India subsidiary is targeted for 2026, which is expected to provide capital for further expansion and capitalize on India's growing demand for renewable fuels and government blending mandates. * Development of Sustainable Aviation Fuel (SAF) and Renewable Diesel (RD) at Riverbank: Aemetis has secured permits for a 90 million gallon per year sustainable aviation fuel and renewable diesel facility at its Riverbank site in California. This project is a significant expansion into new, high-demand renewable fuel markets, with over $7 billion in signed off-take agreements already in place with major airlines. While financing discussions are ongoing and linked to regulatory clarity on 45Z credits and biofuel mandates, this initiative represents a substantial future revenue stream.

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Capital Allocation Decisions of Aemetis (AMTX)

Over the last 3-5 years, Aemetis (AMTX) has made several notable capital allocation decisions across various categories, focusing primarily on expanding its renewable energy production and improving operational efficiency.

Share Repurchases

  • On January 22, 2026, Aemetis authorized a share repurchase program allowing for the repurchase of up to $80 million of its common stock.
  • This program grants management discretion on the timing and methods of repurchases and does not obligate the company to buy back a specific number of shares.

Share Issuance

  • Aemetis received stockholder approval on February 18, 2026, to increase its authorized common stock from 80,000,000 to 140,000,000 shares, raising the total authorized capital to 205,000,000 shares. This provides flexibility for future equity issuances for financing or strategic purposes.
  • As of February 28, 2025, the company had 53,319,340 common shares outstanding.
  • The company maintains an existing At-The-Market (ATM) capacity of $210 million.

Inbound Investments

  • Aemetis generated cash proceeds of $18 million in 2025 from the sale of investment tax credits related to its dairy digester projects.
  • On December 30, 2025, the company received $17 million in funds from the sale of federal clean energy tax credits.

Capital Expenditures

  • Capital expenditures for 2025 amounted to $26 million, a 28% increase year-over-year, primarily directed towards carbon intensity reduction and the expansion of biogas production capacity, including digester builds and an MVR installation at the Keyes plant.
  • For 2026, expected capital investments include approximately $40 million for the Mechanical Vapor Recompression (MVR) system at the Keyes ethanol plant, which is largely spent and fully financed, anticipated to be completed in Q3-Q4 2026 and expected to boost annual cash flow by about $32 million.
  • Additional planned capital expenditures for 2026 and extending into 2027 include $27 million for H2S units (fully financed) and an incremental $70 million for further digester build-out.

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Recent Active Movers

Peer Comparisons

Peers to compare with:

Financials

AMTXGPRECLNEALTOGEVOOPALMedian
NameAemetis Green Pl.Clean En.Alto Ing.Gevo OPAL Fue. 
Mkt Price2.2514.822.234.831.692.562.41
Mkt Cap0.11.00.50.40.40.10.4
Rev LTM2082,092425918161349387
Op Inc LTM-37-84-9615-195-28
FCF LTM-2374269-44-34-7
FCF 3Y Avg-32-34-22-4-89-69-33
CFO LTM31118613-133625
CFO 3Y Avg-5466511-423523

Growth & Margins

AMTXGPRECLNEALTOGEVOOPALMedian
NameAemetis Green Pl.Clean En.Alto Ing.Gevo OPAL Fue. 
Rev Chg LTM-22.3%-14.9%2.2%-4.9%849.3%16.3%-1.4%
Rev Chg 3Y Avg-2.1%-16.8%0.4%-11.5%737.2%14.1%-0.8%
Rev Chg Q14.2%-26.6%2.7%-1.9%695.6%24.7%8.5%
QoQ Delta Rev Chg LTM3.3%-6.9%0.7%-0.5%32.8%6.0%2.0%
Op Inc Chg LTM7.9%-7.7%-238.2%176.0%78.0%-52.1%0.1%
Op Inc Chg 3Y Avg-3.0%2.6%-74.3%55.3%22.5%164.4%12.5%
Op Mgn LTM-17.9%-4.0%-22.5%1.7%-11.7%1.4%-7.9%
Op Mgn 3Y Avg-17.7%-3.1%-15.8%-0.4%-331.8%1.8%-9.4%
QoQ Delta Op Mgn LTM6.1%1.3%-1.2%2.4%11.6%1.6%2.0%
CFO/Rev LTM1.6%5.3%20.1%1.4%-8.3%10.5%3.4%
CFO/Rev 3Y Avg-1.1%1.9%15.3%1.0%-220.0%12.0%1.4%
FCF/Rev LTM-10.9%3.5%6.0%0.9%-27.1%-9.8%-4.4%
FCF/Rev 3Y Avg-13.7%-1.0%-5.3%-0.4%-445.9%-23.8%-9.5%

Valuation

AMTXGPRECLNEALTOGEVOOPALMedian
NameAemetis Green Pl.Clean En.Alto Ing.Gevo OPAL Fue. 
Mkt Cap0.11.00.50.40.40.10.4
P/S0.70.51.20.42.50.20.6
P/Op Inc-4.0-12.2-5.123.8-21.115.1-4.5
P/EBIT-3.6-15.3-2.815.4-26.56.5-3.2
P/E-1.9-8.5-2.227.1-11.84.9-2.1
P/CFO45.49.35.727.3-29.82.07.5
Total Yield-51.5%-11.8%-45.0%3.6%-8.4%20.4%-10.1%
Dividend Yield0.0%0.0%0.0%0.0%0.0%0.0%0.0%
FCF Yield 3Y Avg-24.5%-4.4%-2.1%-4.2%-25.2%-67.9%-14.5%
D/E2.60.40.70.30.44.90.6
Net D/E2.50.30.30.20.24.50.3

Returns

AMTXGPRECLNEALTOGEVOOPALMedian
NameAemetis Green Pl.Clean En.Alto Ing.Gevo OPAL Fue. 
1M Rtn-14.8%-10.2%5.2%6.9%-27.8%10.3%-2.5%
3M Rtn51.0%27.4%0.5%78.9%-15.9%-3.4%13.9%
6M Rtn-17.0%32.7%-18.0%347.2%-31.6%2.4%-7.3%
12M Rtn51.0%335.9%59.3%503.7%40.8%84.2%71.7%
3Y Rtn-0.4%-55.4%-48.0%252.6%39.7%-66.2%-24.2%
1M Excs Rtn-25.4%-15.7%-3.8%-2.2%-34.0%0.2%-9.7%
3M Excs Rtn45.4%25.0%-1.2%81.1%-18.9%-3.0%11.9%
6M Excs Rtn-32.5%18.6%-30.4%292.5%-41.5%-14.7%-22.6%
12M Excs Rtn25.6%277.3%37.2%450.5%19.0%57.6%47.4%
3Y Excs Rtn-71.2%-129.5%-123.8%199.0%-34.0%-140.7%-97.5%

Comparison Analyses

null

Financials

Segment Financials

Assets by Segment
$ Mil20252024202320222021
California Dairy Renewable Natural Gas12693784024
California Ethanol5768677661
All other3948463427
India Biodiesel3835161113
Total259243207161125


Price Behavior

Price Behavior
Market Price$2.27 
Market Cap ($ Bil)0.1 
First Trading Date02/23/2007 
Distance from 52W High-35.0% 
   50 Days200 Days
DMA Price$2.12$2.19
DMA Trendupup
Distance from DMA7.2%3.7%
 3M1YR
Volatility115.8%95.2%
Downside Capture0.221.40
Upside Capture395.11260.97
Correlation (SPY)-1.0%24.0%
AMTX Betas & Captures as of 3/31/2026

 1M2M3M6M1Y3Y
Beta0.130.240.181.591.051.62
Up Beta-10.36-3.88-3.710.120.500.69
Down Beta-1.00-1.18-0.472.121.061.59
Up Capture1119%540%529%290%304%1961%
Bmk +ve Days7162765139424
Stock +ve Days12213254112332
Down Capture-472%-117%-139%123%128%113%
Bmk -ve Days12233358110323
Stock -ve Days9203066127387

[1] Upside and downside betas calculated using positive and negative benchmark daily returns respectively
Based On 1-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with AMTX
AMTX25.8%93.0%0.65-
Sector ETF (XLB)30.4%16.7%1.4228.0%
Equity (SPY)21.1%12.9%1.3228.5%
Gold (GLD)50.9%27.5%1.494.9%
Commodities (DBC)25.2%16.2%1.4017.5%
Real Estate (VNQ)17.5%13.7%0.938.6%
Bitcoin (BTCUSD)-7.8%42.6%-0.0816.5%

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Based On 5-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with AMTX
AMTX-40.3%97.7%-0.09-
Sector ETF (XLB)7.3%18.9%0.2830.6%
Equity (SPY)10.8%17.1%0.4934.8%
Gold (GLD)22.6%17.8%1.048.1%
Commodities (DBC)11.6%18.8%0.5117.5%
Real Estate (VNQ)4.4%18.8%0.1425.9%
Bitcoin (BTCUSD)5.2%56.5%0.3117.2%

Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 10-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with AMTX
AMTX-0.7%118.3%0.49-
Sector ETF (XLB)11.0%20.6%0.4816.9%
Equity (SPY)14.0%17.9%0.6718.8%
Gold (GLD)14.3%15.9%0.754.5%
Commodities (DBC)8.5%17.6%0.4012.9%
Real Estate (VNQ)5.6%20.7%0.2413.2%
Bitcoin (BTCUSD)68.4%66.9%1.077.0%

Smart multi-asset allocation framework can stack odds in your favor. Learn How

Short Interest

Short Interest: As Of Date3312026
Short Interest: Shares Quantity4.8 Mil
Short Interest: % Change Since 31520261.3%
Average Daily Volume2.5 Mil
Days-to-Cover Short Interest1.9 days
Basic Shares Quantity65.8 Mil
Short % of Basic Shares7.2%

Earnings Returns History

Expand for More
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
3/12/202624.7%77.9%47.4%
11/6/2025-14.6%0.0%-29.1%
8/7/2025-5.8%7.0%-7.0%
3/13/2025-10.2%13.0%-9.0%
11/12/202428.7%5.3%-14.2%
8/1/2024-17.1%-21.5%-22.4%
3/7/2024-1.8%-0.6%57.2%
11/9/2023-2.0%5.4%-2.0%
...
SUMMARY STATS   
# Positive895
# Negative10913
Median Positive7.1%7.0%47.4%
Median Negative-12.4%-18.2%-22.4%
Max Positive28.7%77.9%62.0%
Max Negative-39.3%-39.8%-42.1%

SEC Filings

Expand for More
Report DateFiling DateFiling
12/31/202503/16/202610-K
09/30/202511/07/202510-Q
06/30/202508/07/202510-Q
03/31/202505/08/202510-Q
12/31/202403/14/202510-K
09/30/202411/12/202410-Q
06/30/202408/05/202410-Q
03/31/202405/09/202410-Q
12/31/202303/29/202410-K
09/30/202311/09/202310-Q
06/30/202308/04/202310-Q
03/31/202305/05/202310-Q
12/31/202203/09/202310-K
09/30/202211/07/202210-Q
06/30/202208/08/202210-Q
03/31/202205/16/202210-Q

Recent Forward Guidance [BETA]

Latest: Q4 2025 Earnings Reported 3/12/2026

Forward GuidanceGuidance Change
MetricLowMidHigh% Chg% DeltaChangePrior
2026 Cash Flow from Operations Increase 32.00 Mil 0 AffirmedGuidance: 32.00 Mil for 2026

Prior: Q3 2025 Earnings Reported 11/6/2025

Forward GuidanceGuidance Change
MetricLowMidHigh% Chg% DeltaChangePrior
2026 Annual Cash Flow from Operations Increase 32.00 Mil   Higher New
2026 Tax Credit Sales 20.00 Mil   Higher New

Insider Activity

Expand for More
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Barton, Francis P DirectSell81420252.5326,45267,016528,280Form