Alto Ingredients (ALTO) vs ASP Isotopes (ASPI)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 10, 2026.
Summary
Alto Ingredients (ALTO) has outperformed ASP Isotopes (ASPI) over the past year, gaining 232.6% versus a loss of 70.1%. ASP Isotopes is the larger company by market cap ($406.3 million vs $288.9 million), about 1.4 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | ALTO | ASPI |
|---|---|---|
| Share price | $3.73 | $2.65 |
| Market cap | $288.94M | $406.27M |
| 1-day change | -0.13% | -6.36% |
| YTD return | +29.34% | -50.47% |
| 1-year return | +232.59% | -70.06% |
| 5-year return | -33.24% | — |
| P/E ratio (TTM) | 5.48 | — |
| Forward P/E | 11.29 | — |
| EPS (TTM) | $0.68 | $-1.49 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $6.11 | $14.49 |
| 52-week low | $0.99 | $2.51 |
| Distance from 52-week high | -39.03% | -81.71% |
| Analyst consensus | strong_buy | none |
| Avg. price target upside | +123.62% | +390.57% |
| Average volume | 1.71M | 4.04M |
| Shares outstanding | 77.57M | 153.31M |
| Employees | 390 | 271 |
| Sector | Industrials | Industrials |
| Industry | Major Chemicals | Major Chemicals |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- ALTO has outperformed ASPI by 302.6 percentage points over the past year.
About Alto Ingredients
ALTO stock →Alto Ingredients, Inc. produces, distributes, and markets specialty alcohols, renewable fuel, and essential ingredients in the United States.
Industrials · Major Chemicals · 390 employees
About ASP Isotopes
ASPI stock →ASP Isotopes Inc., a development stage advanced materials company, engages in the production, distribution, marketing, and sale of isotopes in South Africa,Hong Kong, and United States. It operates in two segments, Nuclear Fuels, and Specialist Isotopes and Related Services.
Industrials · Major Chemicals · 271 employees
ALTO vs ASPI FAQ
Which is bigger, Alto Ingredients or ASP Isotopes?
ASP Isotopes (ASPI) is larger, with a market capitalization of $406.27M compared with $288.94M for Alto Ingredients (ALTO).
Which stock has performed better over the past year, ALTO or ASPI?
ALTO returned +232.59% over the past 12 months, compared with -70.06% for ASPI (price return, excluding dividends). Past performance does not predict future results.
Are Alto Ingredients and ASP Isotopes in the same industry?
Yes. Both are classified in the Major Chemicals industry within the Industrials sector.