PairBook
HomeEML › EML vs QQQ

EML vs QQQ: Correlation

How closely do Eastern Company (The) (EML) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.31, which is moderate.

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

Correlation (3Y)
0.31
moderate
Correlation (1Y)
0.15
last 12 months
Correlation (5Y)
0.29
long-run
Ann. covariance
239.9
%² · weekly, annualized

How correlated are EML and QQQ?

Across a 3-year window, the weekly returns of EML and QQQ correlate at 0.31, moderate. The past 12 months show a weaker link (0.15) than the 3-year average (0.31). Stretching to 5 years gives 0.29, with an annualized covariance of 239.9 %².

QQQ is close to the least connected end of EML's tracked universe, ranking #7 of 10. On 12-month performance QQQ holds a 14.4-point edge, +11.9% against +26.3%. Note the risk asymmetry: EML runs 2.0 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.

EML vs QQQ: side by side

EML (Eastern Company (The))QQQ (Invesco QQQ Trust)
1-year return+11.9%+26.3%
5-year return+6.9%+95.4%
Volatility (ann.)39.5%19.6%
Beta vs S&P 5000.991.28
Max drawdown (3Y)-47.0%-22.8%
Market cap$0.2B
P/E (trailing)19.8
Dividend yield1.69%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: EML 1.69% vs 0.44%Smaller drawdown: QQQ -22.8% vs -47.0%Higher 5y return: QQQ +95.4% vs +6.9%

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.

-24%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. EML · QQQ

Year-by-year returns

YearEMLQQQ
2022-21.5%-32.6%
2023+16.8%+54.9%
2024+22.6%+25.6%
2025-24.4%+20.8%
2026+35.9%+17.7%

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

Are EML and QQQ good diversifiers for each other?

Reasonably. At 0.31, EML and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between EML and QQQ?

The EML/QQQ correlation stands at 0.31 on a 3-year window (1 year: 0.15, 5 years: 0.29), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for EML?

Reasonably. At 0.31, EML and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.31 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/eml-vs-qqq.json

EML vs QQQ: 3-year weekly correlation 0.31EML vs QQQ0.31

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

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

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

Related comparisons

Hubs: EML correlations · QQQ correlations