PairBook
HomeCPB › CPB vs SPY

CPB vs SPY: Correlation

Measured on weekly returns over the past three years, The Campbell's Company (CPB) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.04, a near-zero link.

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

Correlation (3Y)
0.04
near-zero
Correlation (1Y)
-0.00
last 12 months
Correlation (5Y)
0.08
long-run
Ann. covariance
14.6
%² · weekly, annualized

How correlated are CPB and SPY?

Over the past 3 years, CPB and SPY moved with a correlation of 0.04, which is near zero, meaning they move largely independently. Little has changed lately, as the 1-year reading of -0.00 lands near the 3-year figure. Over 5 years the correlation is 0.08, and the annualized covariance of weekly returns is 14.6 %².

Within CPB's tracked universe of 20 assets, SPY comes in at #15 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SPY outperformed by 43.4 percentage points (-22.8% for CPB against +20.6% for SPY). Note the risk asymmetry: CPB runs 1.7 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.

CPB vs SPY: side by side

CPB (The Campbell's Company)SPY (SPDR S&P 500 ETF Trust)
1-year return-22.8%+20.6%
5-year return-30.8%+82.4%
Volatility (ann.)24.5%14.5%
Beta vs S&P 5000.071.00
Max drawdown (3Y)-58.1%-18.8%
Market cap
P/E (trailing)11.4
Dividend yield6.72%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: CPB 6.72% vs 1.01%Smaller drawdown: SPY -18.8% vs -58.1%Higher 5y return: SPY +82.4% vs -30.8%

SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-38%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CPB · SPY

Year-by-year returns

YearCPBSPY
2022+34.8%-18.2%
2023-21.5%+26.2%
2024+0.1%+24.9%
2025-30.5%+17.7%
2026-12.2%+13.7%

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

Are CPB and SPY good diversifiers for each other?

By historical standards, yes. A correlation of 0.04 means the two rarely move for the same reasons.

FAQ

What is the correlation between CPB and SPY?

As of 2026-08-27, the correlation of weekly returns between CPB and SPY is 0.04 over 3 years, -0.00 over 1 year and 0.08 over 5 years.

Is SPY a good diversifier for CPB?

By historical standards, yes. A correlation of 0.04 means the two rarely move for the same reasons.

What does a correlation of 0.04 mean?

On the −1 to +1 scale, 0.04 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

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

CPB vs SPY: 3-year weekly correlation 0.04CPB vs SPY0.04

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

[![CPB vs SPY correlation](https://www.pairbook.io/api/v1/badge/cpb-vs-spy.svg)](https://www.pairbook.io/pair/cpb-vs-spy/)

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

Related comparisons

Hubs: CPB correlations · SPY correlations