Which has grown faster, ALTO or AMTX?

Over the past five years, AMTX grew revenue faster — ALTO at a 1.16% CAGR versus AMTX at 5.52%.

Is ALTO or AMTX more profitable?

ALTO runs the higher net margin — ALTO at 5.48% versus AMTX at -26.14%.

How have ALTO and AMTX total returns compared?

Over the past 10 years, ALTO delivered -6.03% and AMTX delivered 0.65% annualized total return. Past performance doesn't predict future results.

Alto Ingredients, Inc. (ALTO) vs Aemetis, Inc. (AMTX)

A side-by-side comparison of Alto Ingredients, Inc. and Aemetis, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

ALTO

Alto Ingredients, Inc.

$294M

$3.79Basic MaterialsDelayed quote: Oct 5, 2026, 4:00 PM EDT

AMTX

Aemetis, Inc.

$124M

$1.76Basic MaterialsDelayed quote: Oct 5, 2026, 4:00 PM EDT

Total return — ALTO vs AMTX

growth of $100 · dividends reinvested · last 10y

ALTO -46.3% (-6.0%/yr)AMTX +35.4% (+3.1%/yr)AMTX compounded faster over this window

ALTO AMTX

ALTO vs AMTX: by the numbers

•ALTO is the larger company ($294M vs $124M market cap).
•ALTO is profitable (5.48% net margin) while AMTX runs a net loss (-26.14%).
•AMTX grew revenue faster over the past five years (5.52% vs 1.16% CAGR).

Metrics side by side

Valuation

Metric	ALTO	AMTX
P/E ratio	5.64	N/A
Forward P/E	10.06	N/A
P/S ratio	0.31	0.54
P/B ratio	1.13	N/A
EV / EBITDA	5.71	89.08
FCF yield	17.01%	N/A

Profitability

Metric	ALTO	AMTX
Gross margin	5.62%	-0.37%
Operating margin	3.85%	-17.89%
Net margin	5.48%	-26.14%
ROE	19.88%	N/A
ROIC	10.48%	-5.06%

Growth (annualized)

Metric	ALTO	AMTX
Revenue CAGR (5Y)	1.16%	5.52%
FCF CAGR (5Y)	-33.22%	N/A
Total return CAGR (5Y)	-5.77%	-37.11%

Frequently asked

Which has grown faster, ALTO or AMTX?: Over the past five years, AMTX grew revenue faster — ALTO at a 1.16% CAGR versus AMTX at 5.52%.
Is ALTO or AMTX more profitable?: ALTO runs the higher net margin — ALTO at 5.48% versus AMTX at -26.14%.
How have ALTO and AMTX total returns compared?: Over the past 10 years, ALTO delivered -6.03% and AMTX delivered 0.65% annualized total return. Past performance doesn't predict future results.

Go deeper

Full ALTO analysis Full AMTX analysis Interactive comparison tool

Dig into the metrics

Alto Ingredients P/E ratio Alto Ingredients ROE Aemetis ROE Alto Ingredients operating margin Aemetis operating margin Alto Ingredients revenue growth Aemetis revenue growth Alto Ingredients free cash flow Aemetis free cash flow

Alto Ingredients & Aemetis appear in these rankings

Highest FCF Yield Stocks Lowest P/E Ratio Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.