Which has grown faster, ALTO or ASPI?

Over the past five years, ALTO grew revenue faster — ALTO at a 1.16% CAGR versus ASPI at 0.88%.

Is ALTO or ASPI more profitable?

ALTO runs the higher net margin — ALTO at 5.48% versus ASPI at -428.00%.

Alto Ingredients, Inc. (ALTO) vs ASP Isotopes Inc. Common Stock (ASPI)

A side-by-side comparison of Alto Ingredients, Inc. and ASP Isotopes Inc. Common Stock 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

ASPI

ASP Isotopes Inc. Common Stock

$369M

$2.93Basic MaterialsDelayed quote: Oct 5, 2026, 4:00 PM EDT

Total return — ALTO vs ASPI

growth of $100 · dividends reinvested · last 4y

ALTO +4.4% (+1.1%/yr)ASPI +9.7% (+2.4%/yr)ASPI compounded faster over this window

ALTO ASPI

ALTO vs ASPI: by the numbers

•ASPI is the larger company ($369M vs $294M market cap).
•ALTO is profitable (5.48% net margin) while ASPI runs a net loss (-428.00%).
•ALTO grew revenue faster over the past five years (1.16% vs 0.88% CAGR).

Metrics side by side

Valuation

Metric	ALTO	ASPI
P/E ratio	5.64	N/A
Forward P/E	10.06	N/A
P/S ratio	0.31	11.96
P/B ratio	1.13	1.39
EV / EBITDA	5.71	N/A
FCF yield	17.01%	N/A

Profitability

Metric	ALTO	ASPI
Gross margin	5.62%	18.32%
Operating margin	3.85%	-239.80%
Net margin	5.48%	-428.00%
ROE	19.88%	-49.89%
ROIC	10.48%	-17.29%

Growth (annualized)

Metric	ALTO	ASPI
Revenue CAGR (5Y)	1.16%	0.88%
FCF CAGR (5Y)	-33.22%	N/A
Total return CAGR (5Y)	-5.77%	N/A

Frequently asked

Which has grown faster, ALTO or ASPI?: Over the past five years, ALTO grew revenue faster — ALTO at a 1.16% CAGR versus ASPI at 0.88%.
Is ALTO or ASPI more profitable?: ALTO runs the higher net margin — ALTO at 5.48% versus ASPI at -428.00%.

Go deeper

Full ALTO analysis Full ASPI analysis Interactive comparison tool

Dig into the metrics

Alto Ingredients P/E ratio Alto Ingredients ROE ASP Isotopes Inc. Common Stock ROE Alto Ingredients operating margin ASP Isotopes Inc. Common Stock operating margin Alto Ingredients revenue growth ASP Isotopes Inc. Common Stock revenue growth Alto Ingredients free cash flow ASP Isotopes Inc. Common Stock free cash flow

Alto Ingredients & ASP Isotopes Inc. Common Stock 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.