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CNI vs KNX: Correlation

Canadian National Railway Company (CNI) and Knight-Swift Transportation Holdings Inc. (KNX) show a moderate relationship: their 3-year correlation of weekly returns is 0.53.

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

Correlation (3Y)
0.53
moderate
Correlation (1Y)
0.44
last 12 months
Correlation (5Y)
0.51
long-run
Ann. covariance
311.6
%² · weekly, annualized

How correlated are CNI and KNX?

On 3 years of weekly data the CNI/KNX correlation comes out at 0.53, moderate. Little has changed lately, as the 1-year reading of 0.44 lands near the 3-year figure. The 5-year figure is 0.51, and annualized covariance runs at 311.6 %².

By 3-year correlation, KNX places #4 of the 10 assets tracked against CNI. The last year tells two different stories: KNX led by 25.4 percentage points, +32.5% for CNI against +57.9% for KNX. Risk is not evenly split, since KNX carries 1.7 times the volatility of the other side.

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.

CNI vs KNX: side by side

CNI (Canadian National Railway Company)KNX (Knight-Swift Transportation Holdings Inc.)
1-year return+32.5%+57.9%
5-year return+27.2%+37.4%
Volatility (ann.)18.6%31.7%
Beta vs S&P 5000.481.00
Max drawdown (3Y)-29.1%-35.7%
Market cap$76.5B$11.2B
P/E (trailing)22.7255.2
Dividend yield2.83%1.09%
Sector / categoryUS ListedUS Listed
Lower P/E: CNI 22.7 vs 255.2Higher yield: CNI 2.83% vs 1.09%Smaller drawdown: CNI -29.1% vs -35.7%Higher 5y return: KNX +37.4% vs +27.2%
-8%0%+91%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CNI · KNX

Year-by-year returns

YearCNIKNX
2022-1.4%-13.2%
2023+7.8%+11.1%
2024-17.5%-6.9%
2025-0.8%+0.1%
2026+29.5%+32.6%

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

Are CNI and KNX good diversifiers for each other?

Only partially. A correlation of 0.53 means CNI and KNX 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 CNI and KNX?

Using weekly returns as of 2026-08-27: 0.53 over 3 years, with 0.44 over the last year and 0.51 over 5 years.

Is KNX a good diversifier for CNI?

Only partially. A correlation of 0.53 means CNI and KNX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.53 mean?

A reading of 0.53 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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CNI vs KNX: 3-year weekly correlation 0.53CNI vs KNX0.53

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Related comparisons

Hubs: CNI correlations · KNX correlations