PairBook
HomeCARS › CARS vs SPY

CARS vs SPY: Correlation

Cars.com Inc. (CARS) and SPDR S&P 500 ETF Trust (SPY) show a moderate relationship: their 3-year correlation of weekly returns is 0.49.

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

Correlation (3Y)
0.49
moderate
Correlation (1Y)
0.42
last 12 months
Correlation (5Y)
0.43
long-run
Ann. covariance
297.5
%² · weekly, annualized

How correlated are CARS and SPY?

On 3 years of weekly data the CARS/SPY correlation comes out at 0.49, moderate. The relationship has been stable: the 1-year correlation (0.42) sits close to the 3-year figure. The 5-year figure is 0.43, and annualized covariance runs at 297.5 %².

Within CARS's tracked universe of 14 assets, SPY comes in at #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 31.2 points (-10.6% versus +20.6%). Note the risk asymmetry: CARS runs 2.9 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.

CARS vs SPY: side by side

CARS (Cars.com Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return-10.6%+20.6%
5-year return-7.8%+82.4%
Volatility (ann.)42.1%14.5%
Beta vs S&P 5001.421.00
Max drawdown (3Y)-63.4%-18.8%
Market cap$0.6B
P/E (trailing)21.0
Dividend yield0.00%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -63.4%Higher 5y return: SPY +82.4% vs -7.8%

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.

-44%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CARS · SPY

Year-by-year returns

YearCARSSPY
2022-14.4%-18.2%
2023+37.8%+26.2%
2024-8.6%+24.9%
2025-29.6%+17.7%
2026-3.5%+13.7%

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

Are CARS and SPY good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between CARS and SPY?

The CARS/SPY correlation stands at 0.49 on a 3-year window (1 year: 0.42, 5 years: 0.43), computed from weekly returns as of 2026-08-27.

Is SPY a good diversifier for CARS?

Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.49 mean?

On the −1 to +1 scale, 0.49 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/cars-vs-spy.json

CARS vs SPY: 3-year weekly correlation 0.49CARS vs SPY0.49

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

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

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

Related comparisons

Hubs: CARS correlations · SPY correlations