PairBook
HomeBA › BA vs CSQ

BA vs CSQ: Correlation

How closely do Boeing (BA) and Calamos Strategic Total Return Fund - Closed End Fund (CSQ) trade together? Their weekly returns over three years give a correlation of 0.56, which is moderate.

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

Correlation (3Y)
0.56
moderate
Correlation (1Y)
0.50
last 12 months
Correlation (5Y)
0.52
long-run
Ann. covariance
383.5
%² · weekly, annualized

How correlated are BA and CSQ?

Across a 3-year window, the weekly returns of BA and CSQ correlate at 0.56, moderate. The relationship has been stable: the 1-year correlation (0.50) sits close to the 3-year figure. Stretching to 5 years gives 0.52, with an annualized covariance of 383.5 %².

Within BA's tracked universe of 37 assets, CSQ comes in at #12 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CSQ ahead by 32.3 points (-10.9% versus +21.4%). Note the risk asymmetry: BA runs 1.9 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

BA vs CSQ: side by side

BA (Boeing)CSQ (Calamos Strategic Total Return Fund - Closed End Fund)
1-year return-10.9%+21.4%
5-year return-3.6%+64.2%
Volatility (ann.)36.4%18.8%
Beta vs S&P 5001.431.22
Max drawdown (3Y)-48.3%-24.2%
Market cap$165.9B$3.4B
P/E (trailing)76.33.2
Dividend yield0.00%2.95%
Sector / categoryIndustrialsUS Listed
Lower P/E: CSQ 3.2 vs 76.3Higher yield: CSQ 2.95% vs 0.00%Smaller drawdown: CSQ -24.2% vs -48.3%Higher 5y return: CSQ +64.2% vs -3.6%
-22%0%+21%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BA · CSQ

Year-by-year returns

YearBACSQ
2022-5.4%-24.2%
2023+36.8%+20.9%
2024-32.1%+28.2%
2025+22.7%+16.3%
2026-3.3%+14.3%

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

Are BA and CSQ good diversifiers for each other?

Only partially. A correlation of 0.56 means BA and CSQ 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 BA and CSQ?

Using weekly returns as of 2026-08-27: 0.56 over 3 years, with 0.50 over the last year and 0.52 over 5 years.

Is CSQ a good diversifier for BA?

Only partially. A correlation of 0.56 means BA and CSQ share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.56 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/ba-vs-csq.json

BA vs CSQ: 3-year weekly correlation 0.56BA vs CSQ0.56

Drop this badge in a README or notebook; it updates with the data:

[![BA vs CSQ correlation](https://www.pairbook.io/api/v1/badge/ba-vs-csq.svg)](https://www.pairbook.io/pair/ba-vs-csq/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: BA correlations · CSQ correlations