PairBook
HomeDDOG › DDOG vs QQQ

DDOG vs QQQ: Correlation

Datadog (DDOG) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.42.

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

Correlation (3Y)
0.42
moderate
Correlation (1Y)
0.26
last 12 months
Correlation (5Y)
0.55
long-run
Ann. covariance
447.2
%² · weekly, annualized

How correlated are DDOG and QQQ?

On 3 years of weekly data the DDOG/QQQ correlation comes out at 0.42, moderate. The link has loosened recently: the 1-year correlation (0.26) runs below the 3-year figure (0.42). The 5-year figure is 0.55, and annualized covariance runs at 447.2 %².

Among the 30 assets we track against DDOG, QQQ ranks #18 by 3-year correlation. Correlation aside, the last 12 months split them widely, with DDOG ahead by 58.1 points (+84.4% versus +26.3%). Across three years, the rolling one-year figure varied moderately, from 0.24 to 0.65. One caveat on sizing: DDOG is 2.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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.

DDOG vs QQQ: side by side

DDOG (Datadog)QQQ (Invesco QQQ Trust)
1-year return+84.4%+26.3%
5-year return+77.8%+95.4%
Volatility (ann.)54.6%19.6%
Beta vs S&P 5001.371.28
Max drawdown (3Y)-48.6%-22.8%
Market cap$87.2B
P/E (trailing)458.4
Dividend yield0.00%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryInformation TechnologyETF · US Growth & Tech
Higher yield: QQQ 0.44% vs 0.00%Smaller drawdown: QQQ -22.8% vs -48.6%Higher 5y return: QQQ +95.4% vs +77.8%

QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.

-23%0%+97%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. DDOG · QQQ

Year-by-year returns

YearDDOGQQQ
2022-58.7%-32.6%
2023+65.1%+54.9%
2024+17.7%+25.6%
2025-4.8%+20.8%
2026+78.6%+17.7%

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

Fund exposure

Keep in mind that QQQ holds DDOG at a 0.33% weight, which makes a slice of this correlation mechanical rather than coincidental.

Are DDOG and QQQ good diversifiers for each other?

A fair diversifier. At 0.42, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between DDOG and QQQ?

The DDOG/QQQ correlation stands at 0.42 on a 3-year window (1 year: 0.26, 5 years: 0.55), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for DDOG?

A fair diversifier. At 0.42, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.42 mean?

A reading of 0.42 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

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

DDOG vs QQQ: 3-year weekly correlation 0.42DDOG vs QQQ0.42

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

[![DDOG vs QQQ correlation](https://www.pairbook.io/api/v1/badge/ddog-vs-qqq.svg)](https://www.pairbook.io/pair/ddog-vs-qqq/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: DDOG correlations · QQQ correlations