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Stock comparison · Signal date 2026-11-06

GGB vs ROCK: stock comparison and AI forecast

Gerdau S.A. (GGB) and Gibraltar Industries, Inc. (ROCK) compared on price performance, valuation, profitability and the daily AI forecast. · Alpha · vs market

Share
NYSE · Steel Works, Blast Furnaces & Rolling & Finishing Mills

GGB Gerdau S.A.

Market Cap
$9.20B
P/E Ratio
–
Size
mid-cap
AI Forecast
Full analysis →
Nasdaq · Steel Works, Blast Furnaces & Rolling & Finishing Mills

ROCK Gibraltar Industries, Inc.

Market Cap
$964M
P/E Ratio
–
Size
small-cap
AI Forecast
Full analysis →
Model output

Which one does the AI model favor?

Intratio's model scores both stocks every trading day. Sign in to see their current direction; the exact ratings and forecasts come with a plan or a free follow slot.

GGB · ROCK

Key facts

  • GGB is 9.5 times larger than ROCK by market capitalization ($9.20B against $964M).
  • ROCK carries 1.97 times debt per unit of equity, against 0.52 times for GGB.
  • Both companies share the SEC industry classification Steel Works, Blast Furnaces & Rolling & Finishing Mills.
Fundamentals

Fundamentals side by side

Trailing twelve months.

Valuation & Market

MetricGGBROCK
Market Cap$9.20B$964M
P/B Ratio–1.07x
EPS–$-0.96
Book Value/Share–$30.44
Revenue/Share$24.61$52.91
FCF/Share$1.68$-0.86

Profitability & Margins

MetricGGBROCK
ROE46.4%–
ROA30.5%–
ROIC54.9%5.3%
Gross Margin16.4%24.4%
Operating Margin13.7%7.8%
Net Margin8.6%–
EBT Margin11.5%4.5%
Tax Rate24.6%29.1%

Financial Health

MetricGGBROCK
Current Ratio2.89x1.75x
Quick Ratio–0.98x
D/E Ratio0.52x1.97x
Financial Leverage1.52x2.97x
Working Capital$3.42B$269M

Cash Flow

MetricGGBROCK
Operating Cash Flow$7.47B-$740K
Free Cash Flow$3.53B-$26M
Capital Spending-$3.94B-$25M
OCF Growth YoY–-100.5%
FCF Growth YoY0.0%-123.6%
FCF/Sales6.8%-1.6%
CapEx/Sales7.6%1.6%

Operational Efficiency

MetricGGBROCK
Asset Turnover3.53x0.59x
Receivables Turnover–7.3x
Inventory Turnover–4.3x
Fixed Assets Turnover9.4x8.3x
Days Sales Outstanding–50 days
Days Inventory–85 days
Payables Period–64 days
Cash Conversion Cycle–72 days

Income Statement

MetricGGBROCK
Total Revenue$51.70B$1.57B
Operating Income$7.07B$122M
Net Income$4.46B–
SG&A Expense$1.56B$260M
Cost of Goods Sold$43.22B$1.19B

Dividend & Shareholder Information

MetricGGBROCK
Shares Outstanding2101M30M
EPS Growth–-605.3%
FAQ

GGB vs ROCK: stock comparison and AI forecast

Which is bigger, GGB or ROCK?

GGB is 9.5 times larger than ROCK by market capitalization ($9.20B against $964M).

Which one does Intratio's AI model rank higher, GGB or ROCK?

Intratio's model scores both stocks every trading day. Sign in to see their current direction; the exact ratings and forecasts come with a plan or a free follow slot.

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This analysis is generated automatically using our proprietary AI systems and should not be considered personalized investment advice. Past performance does not guarantee future results. Always conduct your own research and consider consulting a financial advisor before making investment decisions.