Gerdau S.A. (GGB) vs Gibraltar Industries (ROCK)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Gerdau S.A. (GGB) has outperformed Gibraltar Industries (ROCK) over the past year, gaining 57.4% versus a loss of 40.3%. Over five years, GGB leads with a +23.5% price change compared with -48.2% for ROCK. Gerdau S.A. is the larger company by market cap ($9.68 billion vs $1.12 billion), about 8.7 times the size.
On valuation, Gibraltar Industries trades at a lower forward P/E (7.8x vs 8.2x for Gerdau S.A.). Gerdau S.A. pays a dividend yielding 16.01%, while Gibraltar Industries 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 | GGB | ROCK |
|---|---|---|
| Share price | $4.94 | $37.60 |
| Market cap | $9.68B | $1.12B |
| 1-day change | -1.69% | -2.17% |
| YTD return | +36.04% | -22.27% |
| 1-year return | +57.37% | -40.34% |
| 5-year return | +23.54% | -48.16% |
| P/E ratio (TTM) | 22.43 | 18.61 |
| Forward P/E | 8.18 | 7.82 |
| EPS (TTM) | $0.22 | $2.02 |
| Dividend yield | 16.01% | 0.00% |
| Annual dividend | $0.79 | $0.00 |
| 52-week high | $5.48 | $75.08 |
| 52-week low | $3.13 | $33.56 |
| Distance from 52-week high | -9.95% | -49.93% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | +19.76% | +100.16% |
| Average volume | 13.06M | 318.90K |
| Shares outstanding | 1.24B | 29.66M |
| Employees | 30,000 | 2,300 |
| Sector | Industrials | Industrials |
| Industry | Steel/Iron Ore | Steel/Iron Ore |
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
- Gerdau S.A. is about 8.7 times larger than Gibraltar Industries by market value ($9.68B vs $1.12B).
- GGB has outperformed ROCK by 97.7 percentage points over the past year.
- Gerdau S.A. offers a meaningfully higher dividend yield (16.01% vs 0.00%).
About Gerdau S.A.
GGB stock →Gerdau S.A., together with its subsidiaries, operates as a steel producer company. It operates through Brazil Business, North America Business, and South America Business segments.
Industrials · Steel/Iron Ore · 30,000 employees
About Gibraltar Industries
ROCK stock →Gibraltar Industries, Inc. manufactures and provides products and services for the residential, agtech, and infrastructure markets in the United States and internationally.
Industrials · Steel/Iron Ore · 2,300 employees
GGB vs ROCK FAQ
Which is bigger, Gerdau S.A. or Gibraltar Industries?
Gerdau S.A. (GGB) is larger, with a market capitalization of $9.68B compared with $1.12B for Gibraltar Industries (ROCK).
Which stock has performed better over the past year, GGB or ROCK?
GGB returned +57.37% over the past 12 months, compared with -40.34% for ROCK (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, GGB or ROCK?
ROCK has the lower trailing P/E at 18.6, versus 22.4 for GGB. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Gerdau S.A. or Gibraltar Industries?
Gerdau S.A. pays a dividend yielding 16.01%, while Gibraltar Industries does not currently pay a regular dividend.
Are Gerdau S.A. and Gibraltar Industries in the same industry?
Yes. Both are classified in the Steel/Iron Ore industry within the Industrials sector.