PairBook
HomeDLB › DLB vs SPY

DLB vs SPY: Correlation

Measured on weekly returns over the past three years, Dolby Laboratories (DLB) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.43, a moderate link.

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

Correlation (3Y)
0.43
moderate
Correlation (1Y)
0.23
last 12 months
Correlation (5Y)
0.49
long-run
Ann. covariance
162.1
%² · weekly, annualized

How correlated are DLB and SPY?

Across a 3-year window, the weekly returns of DLB and SPY correlate at 0.43, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.23 versus 0.43 over 3 years. Stretching to 5 years gives 0.49, with an annualized covariance of 162.1 %².

Within DLB's tracked universe of 12 assets, SPY comes in at #7 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 32.9 points (-12.3% versus +20.6%). Risk is not evenly split, since DLB carries 1.8 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.

DLB vs SPY: side by side

DLB (Dolby Laboratories)SPY (SPDR S&P 500 ETF Trust)
1-year return-12.3%+20.6%
5-year return-31.8%+82.4%
Volatility (ann.)26.0%14.5%
Beta vs S&P 5000.781.00
Max drawdown (3Y)-43.2%-18.8%
Market cap$5.8B
P/E (trailing)27.6
Dividend yield2.22%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: DLB 2.22% vs 1.01%Smaller drawdown: SPY -18.8% vs -43.2%Higher 5y return: SPY +82.4% vs -31.8%

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.

-31%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. DLB · SPY

Year-by-year returns

YearDLBSPY
2022-24.9%-18.2%
2023+23.8%+26.2%
2024-7.9%+24.9%
2025-16.3%+17.7%
2026-1.1%+13.7%

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

Are DLB and SPY good diversifiers for each other?

A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between DLB and SPY?

The DLB/SPY correlation stands at 0.43 on a 3-year window (1 year: 0.23, 5 years: 0.49), computed from weekly returns as of 2026-08-27.

Is SPY a good diversifier for DLB?

A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.43 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/dlb-vs-spy.json

DLB vs SPY: 3-year weekly correlation 0.43DLB vs SPY0.43

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

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

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

Related comparisons

Hubs: DLB correlations · SPY correlations