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RYZ vs STLD: Correlation

Measured on weekly returns over the past three years, Ryerson Holding Corporation (RYZ) and Steel Dynamics (STLD) carry a correlation of 0.60, a strong link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.60
strong
Correlation (1Y)
0.68
last 12 months
Correlation (5Y)
0.66
long-run
Ann. covariance
978.6
%² · weekly, annualized

How correlated are RYZ and STLD?

On 3 years of weekly data the RYZ/STLD correlation comes out at 0.60, strong. The relationship has been stable: the 1-year correlation (0.68) sits close to the 3-year figure. The 5-year figure is 0.66, and annualized covariance runs at 978.6 %².

By 3-year correlation, STLD places #5 of the 13 assets tracked against RYZ. Their recent paths diverged sharply: over the last 12 months STLD outperformed by 64.6 percentage points (+15.2% for RYZ against +79.8% for STLD).

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

RYZ vs STLD: side by side

RYZ (Ryerson Holding Corporation)STLD (Steel Dynamics)
1-year return+15.2%+79.8%
5-year return+20.9%+262.0%
Volatility (ann.)47.4%34.5%
Beta vs S&P 5001.181.13
Max drawdown (3Y)-49.0%-28.7%
Market cap$1.3B$33.8B
P/E (trailing)21.4
Dividend yield2.98%0.87%
Sector / categoryUS ListedMaterials
Higher yield: RYZ 2.98% vs 0.87%Smaller drawdown: STLD -28.7% vs -49.0%Higher 5y return: STLD +262.0% vs +20.9%
-14%0%+112%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. RYZ · STLD

Year-by-year returns

YearRYZSTLD
2022+18.3%+60.1%
2023+17.1%+22.8%
2024-44.9%-2.0%
2025+40.4%+50.7%
2026+2.7%+39.9%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are RYZ and STLD good diversifiers for each other?

Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between RYZ and STLD?

As of 2026-08-27, the correlation of weekly returns between RYZ and STLD is 0.60 over 3 years, 0.68 over 1 year and 0.66 over 5 years.

Is STLD a good diversifier for RYZ?

Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.60 mean?

A reading of 0.60 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ryz-vs-stld.json

RYZ vs STLD: 3-year weekly correlation 0.60RYZ vs STLD0.60

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Related comparisons

Hubs: RYZ correlations · STLD correlations