PairBook
HomeKALU › KALU vs STLD

KALU vs STLD: Correlation

Measured on weekly returns over the past three years, Kaiser Aluminum Corporation (KALU) and Steel Dynamics (STLD) carry a correlation of 0.61, a strong link.

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

Correlation (3Y)
0.61
strong
Correlation (1Y)
0.65
last 12 months
Correlation (5Y)
0.61
long-run
Ann. covariance
987.9
%² · weekly, annualized

How correlated are KALU and STLD?

On 3 years of weekly data the KALU/STLD correlation comes out at 0.61, strong. Recent behaviour matches the longer record: 0.65 over 1 year against 0.61 over 3. The 5-year figure is 0.61, and annualized covariance runs at 987.9 %².

Among the 17 assets we track against KALU, STLD ranks #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with KALU ahead by 24.0 points (+103.8% versus +79.8%).

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.

KALU vs STLD: side by side

KALU (Kaiser Aluminum Corporation)STLD (Steel Dynamics)
1-year return+103.8%+79.8%
5-year return+51.7%+262.0%
Volatility (ann.)46.6%34.5%
Beta vs S&P 5001.721.13
Max drawdown (3Y)-48.9%-28.7%
Market cap$2.6B$33.8B
P/E (trailing)11.621.4
Dividend yield1.98%0.87%
Sector / categoryUS ListedMaterials
Lower P/E: KALU 11.6 vs 21.4Higher yield: KALU 1.98% vs 0.87%Smaller drawdown: STLD -28.7% vs -48.9%Higher 5y return: STLD +262.0% vs +51.7%
-3%0%+151%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. KALU · STLD

Year-by-year returns

YearKALUSTLD
2022-16.2%+60.1%
2023-2.1%+22.8%
2024+2.7%-2.0%
2025+70.1%+50.7%
2026+38.5%+39.9%

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

Are KALU and STLD good diversifiers for each other?

To a limited degree. At 0.61 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between KALU and STLD?

Using weekly returns as of 2026-08-27: 0.61 over 3 years, with 0.65 over the last year and 0.61 over 5 years.

Is STLD a good diversifier for KALU?

To a limited degree. At 0.61 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.61 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

KALU vs STLD: 3-year weekly correlation 0.61KALU vs STLD0.61

Embed this badge (it refreshes with the data), with attribution:

[![KALU vs STLD correlation](https://www.pairbook.io/api/v1/badge/kalu-vs-stld.svg)](https://www.pairbook.io/pair/kalu-vs-stld/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: KALU correlations · STLD correlations