Janus International Group (JBI) vs Gibraltar Industries (ROCK)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Gibraltar Industries (ROCK) has outperformed Janus International Group (JBI) over the past year, losing 44.2% versus a loss of 57.4%. Over five years, ROCK leads with a -49.4% price change compared with -66.4% for JBI. Gibraltar Industries is the larger company by market cap ($1.11 billion vs $578.5 million), about 1.9 times the size.
On valuation, Janus International Group trades at a lower forward P/E (6.5x vs 7.8x for Gibraltar Industries).
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 | JBI | ROCK |
|---|---|---|
| Share price | $4.24 | $37.48 |
| Market cap | $578.49M | $1.11B |
| 1-day change | +0.71% | -2.47% |
| YTD return | -35.17% | -24.19% |
| 1-year return | -57.43% | -44.23% |
| 5-year return | -66.40% | -49.44% |
| P/E ratio (TTM) | 17.67 | 18.55 |
| Forward P/E | 6.47 | 7.79 |
| EPS (TTM) | $0.24 | $2.02 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $10.32 | $75.08 |
| 52-week low | $4.01 | $33.56 |
| Distance from 52-week high | -58.91% | -50.08% |
| Analyst consensus | none | strong_buy |
| Avg. price target upside | +79.72% | +100.77% |
| Average volume | 1.79M | 325.81K |
| Shares outstanding | 136.44M | 29.66M |
| Employees | 1,583 | 2,300 |
| Sector | Industrials | Industrials |
| Industry | Building Products | 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
- ROCK has outperformed JBI by 13.2 percentage points over the past year.
About Janus International Group
JBI stock →Janus International Group, Inc. manufactures and supplies turn-key self-storage, commercial, and industrial building solutions in North America and internationally.
Industrials · Building Products · 1,583 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
JBI vs ROCK FAQ
Which is bigger, Janus International Group or Gibraltar Industries?
Gibraltar Industries (ROCK) is larger, with a market capitalization of $1.11B compared with $578.49M for Janus International Group (JBI).
Which stock has performed better over the past year, JBI or ROCK?
ROCK returned -44.23% over the past 12 months, compared with -57.43% for JBI (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, JBI or ROCK?
JBI has the lower trailing P/E at 17.7, versus 18.6 for ROCK. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Are Janus International Group and Gibraltar Industries in the same industry?
Both are in the Industrials sector, but in different industries: Building Products for Janus International Group and Steel/Iron Ore for Gibraltar Industries.