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ATI vs CRS: Correlation

How closely do ATI Inc. (ATI) and Carpenter Technology Corporation (CRS) trade together? Their weekly returns over three years give a correlation of 0.69, which is strong.

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

Correlation (3Y)
0.69
strong
Correlation (1Y)
0.72
last 12 months
Correlation (5Y)
0.66
long-run
Ann. covariance
1368.5
%² · weekly, annualized

How correlated are ATI and CRS?

On 3 years of weekly data the ATI/CRS correlation comes out at 0.69, strong. Little has changed lately, as the 1-year reading of 0.72 lands near the 3-year figure. The 5-year figure is 0.66, and annualized covariance runs at 1368.5 %².

Few assets follow ATI as closely as CRS, which ranks #1 of 12 tracked partners. Correlation aside, the last 12 months split them widely, with ATI ahead by 73.3 points (+179.5% versus +106.2%).

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.

ATI vs CRS: side by side

ATI (ATI Inc.)CRS (Carpenter Technology Corporation)
1-year return+179.5%+106.2%
5-year return+1095.8%+1445.7%
Volatility (ann.)43.3%46.1%
Beta vs S&P 5001.591.32
Max drawdown (3Y)-38.0%-28.7%
Market cap$29.2B$24.3B
P/E (trailing)62.546.1
Dividend yield0.00%0.17%
Sector / categoryUS ListedUS Listed
Lower P/E: CRS 46.1 vs 62.5Higher yield: CRS 0.17% vs 0.00%Smaller drawdown: CRS -28.7% vs -38.0%Higher 5y return: CRS +1445.7% vs +1095.8%
-4%0%+194%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). ATI · CRS

Year-by-year returns

YearATICRS
2022+87.4%+29.5%
2023+52.3%+94.5%
2024+21.0%+141.7%
2025+108.5%+86.2%
2026+86.9%+56.0%

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

Are ATI and CRS good diversifiers for each other?

Only partially. A correlation of 0.69 means ATI and CRS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between ATI and CRS?

Using weekly returns as of 2026-08-27: 0.69 over 3 years, with 0.72 over the last year and 0.66 over 5 years.

Is CRS a good diversifier for ATI?

Only partially. A correlation of 0.69 means ATI and CRS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.69 mean?

A reading of 0.69 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

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ATI vs CRS: 3-year weekly correlation 0.69ATI vs CRS0.69

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Related comparisons

Hubs: ATI correlations · CRS correlations