AYI vs PLUG
Acuity Inc. and Plug Power Inc., both Industrials
Acuity Inc. is the larger company at $9.6B against $4.0B. Over the past year PLUG returned +43% against +12% for AYI. Ryufin's sector-relative Smart Score puts AYI ahead, 8/10 against 7/10.
| Figure | AYI | PLUG |
|---|---|---|
| Last close | $341 | $2.17 |
| Market cap | $9.6B | $4.0B |
| Trailing P/Elower is cheaper for the same earnings, not automatically better | 22.6 | n/a |
| Dividend yield | 0.2% | n/a |
| 1-year return | +12% | +43% |
| 5-year return | +100% | -92% |
| Ryufin Smart Scoresector-relative, 1–10 | 8/10 | 7/10 |
Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.
Acuity Inc.
Revenue of $1.2B in Q3 2026, net income $141M. Its largest reported line is Acuity Brands Lighting, 69% of the disclosed total.
Plug Power Inc.
Revenue of $178M in Q2 2026, net income null. Its largest reported line is Sale Of Electrolyzers, 25% of the disclosed total.
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