Robo.ai (AIIO) vs Federal Signal (FSS)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Federal Signal (FSS) has outperformed Robo.ai (AIIO) over the past year, losing 6.9% versus a loss of 96.3%. Over five years, FSS leads with a +172.3% price change compared with -99.5% for AIIO. Federal Signal is the larger company by market cap ($6.94 billion vs $123.8 million), about 56.0 times the size.
Federal Signal pays a dividend yielding 0.51%, while Robo.ai does not currently pay one.
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 | AIIO | FSS |
|---|---|---|
| Share price | $1.04 | $113.65 |
| Market cap | $123.80M | $6.94B |
| 1-day change | -6.36% | +0.92% |
| YTD return | -81.80% | +3.70% |
| 1-year return | -96.32% | -6.89% |
| 5-year return | -99.46% | +172.27% |
| P/E ratio (TTM) | — | 24.49 |
| Forward P/E | — | 19.67 |
| EPS (TTM) | $-11.11 | $4.64 |
| Dividend yield | 0.00% | 0.51% |
| Annual dividend | $0.00 | $0.58 |
| Revenue (latest FY) | — | $2.18B |
| Revenue growth (YoY) | — | +17.14% |
| Net income (latest FY) | — | $246.60M |
| Gross margin | — | 28.95% |
| Operating margin | — | 15.63% |
| Net margin | — | 11.31% |
| 52-week high | $33.20 | $134.51 |
| 52-week low | $0.54 | $101.19 |
| Distance from 52-week high | -96.87% | -15.51% |
| Analyst consensus | — | none |
| Avg. price target upside | — | +28.14% |
| Average volume | 1.20M | 433.03K |
| Shares outstanding | 110.22M | 61.04M |
| Employees | 29 | 5,800 |
| Sector | Industrials | Industrials |
| Industry | Auto Manufacturing | Auto Manufacturing |
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
- Federal Signal is about 56.0 times larger than Robo.ai by market value ($6.94B vs $123.80M).
- FSS has outperformed AIIO by 89.4 percentage points over the past year.
About Robo.ai
AIIO stock →Robo.ai Inc., a smart passenger vehicle company, provides passenger-centric mobility and green energy solutions in the United States, the United Arab Emirates, and Mainland China. It develops electric vehicles, including MUSE, GHIATH, and autonomous logistics vehicles; and Astra that offers intelligent logistics, automatic delivery, and shared travel solutions.
Industrials · Auto Manufacturing · 29 employees
About Federal Signal
FSS stock →Federal Signal Corporation designs, manufactures, and supplies a suite of products and integrated solutions for municipal, governmental, industrial, and commercial customers in the United States, Canada, Europe, and internationally. It operates through two segments, Environmental Solutions Group, and Safety and Security Systems Group.
Industrials · Auto Manufacturing · 5,800 employees
AIIO vs FSS FAQ
Which is bigger, Robo.ai or Federal Signal?
Federal Signal (FSS) is larger, with a market capitalization of $6.94B compared with $123.80M for Robo.ai (AIIO).
Which stock has performed better over the past year, AIIO or FSS?
FSS returned -6.89% over the past 12 months, compared with -96.32% for AIIO (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, Robo.ai or Federal Signal?
Federal Signal pays a dividend yielding 0.51%, while Robo.ai does not currently pay a regular dividend.
Are Robo.ai and Federal Signal in the same industry?
Yes. Both are classified in the Auto Manufacturing industry within the Industrials sector.