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BMO vs CM: Correlation

Bank Of Montreal (BMO) and Canadian Imperial Bank of Commerce (CM) show a strong relationship: their 3-year correlation of weekly returns is 0.67.

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

Correlation (3Y)
0.67
strong
Correlation (1Y)
0.78
last 12 months
Correlation (5Y)
0.74
long-run
Ann. covariance
259.6
%² · weekly, annualized

How correlated are BMO and CM?

Over the past 3 years, BMO and CM moved with a correlation of 0.67, which is strong. The link has tightened recently: the 1-year correlation (0.78) runs above the 3-year figure (0.67). Over 5 years the correlation is 0.74, and the annualized covariance of weekly returns is 259.6 %².

In BMO's tracked universe of 11 assets, CM sits right near the top at #1. On 12-month performance CM holds a 8.1-point edge, +46.7% against +54.8%.

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.

BMO vs CM: side by side

BMO (Bank Of Montreal)CM (Canadian Imperial Bank of Commerce)
1-year return+46.7%+54.8%
5-year return+109.4%+145.1%
Volatility (ann.)20.3%19.2%
Beta vs S&P 5000.750.57
Max drawdown (3Y)-17.6%-17.4%
Market cap$120.0B$104.3B
P/E (trailing)19.416.2
Dividend yield3.86%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: CM 16.2 vs 19.4Higher yield: BMO 3.86% vs 0.00%Smaller drawdown: CM -17.4% vs -17.6%Higher 5y return: CM +145.1% vs +109.4%
-4%0%+60%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BMO · CM

Year-by-year returns

YearBMOCM
2022-12.4%-26.8%
2023+14.6%+26.5%
2024+3.0%+37.8%
2025+38.3%+46.5%
2026+34.6%+28.6%

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

Are BMO and CM good diversifiers for each other?

To a limited degree. At 0.67 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 BMO and CM?

Using weekly returns as of 2026-08-27: 0.67 over 3 years, with 0.78 over the last year and 0.74 over 5 years.

Is CM a good diversifier for BMO?

To a limited degree. At 0.67 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 0.67 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/bmo-vs-cm.json

BMO vs CM: 3-year weekly correlation 0.67BMO vs CM0.67

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[![BMO vs CM correlation](https://www.pairbook.io/api/v1/badge/bmo-vs-cm.svg)](https://www.pairbook.io/pair/bmo-vs-cm/)

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Related comparisons

Hubs: BMO correlations · CM correlations