PairBook
HomeQQQ › QQQ vs TREX

QQQ vs TREX: Correlation

How closely do Invesco QQQ Trust (QQQ) and Trex Company, Inc. (TREX) trade together? Their weekly returns over three years give a correlation of 0.43, which is moderate.

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

Correlation (3Y)
0.43
moderate
Correlation (1Y)
0.47
last 12 months
Correlation (5Y)
0.51
long-run
Ann. covariance
383.4
%² · weekly, annualized

How correlated are QQQ and TREX?

Across a 3-year window, the weekly returns of QQQ and TREX correlate at 0.43, moderate. Little has changed lately, as the 1-year reading of 0.47 lands near the 3-year figure. Stretching to 5 years gives 0.51, with an annualized covariance of 383.4 %².

Within QQQ's tracked universe of 4755 assets, TREX comes in at #498 by 3-year correlation. The last year tells two different stories: QQQ led by 53.6 percentage points, +26.3% for QQQ against -27.3% for TREX. Risk is not evenly split, since TREX carries 2.3 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.

QQQ vs TREX: side by side

QQQ (Invesco QQQ Trust)TREX (Trex Company, Inc.)
1-year return+26.3%-27.3%
5-year return+95.4%-58.7%
Volatility (ann.)19.6%45.3%
Beta vs S&P 5001.281.48
Max drawdown (3Y)-22.8%-69.9%
Market cap$4.7B
P/E (trailing)27.4
Dividend yield0.44%0.00%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryETF · US Growth & TechUS Listed
Higher yield: QQQ 0.44% vs 0.00%Smaller drawdown: QQQ -22.8% vs -69.9%Higher 5y return: QQQ +95.4% vs -58.7%

QQQ, Invesco's Large Growth fund, carries $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.

-52%0%+29%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. QQQ · TREX

Year-by-year returns

YearQQQTREX
2022-32.6%-68.7%
2023+54.9%+95.6%
2024+25.6%-16.6%
2025+20.8%-49.2%
2026+17.7%+31.3%

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

Are QQQ and TREX 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 QQQ and TREX?

Using weekly returns as of 2026-08-27: 0.43 over 3 years, with 0.47 over the last year and 0.51 over 5 years.

Is TREX a good diversifier for QQQ?

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?

On the −1 to +1 scale, 0.43 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/qqq-vs-trex.json

QQQ vs TREX: 3-year weekly correlation 0.43QQQ vs TREX0.43

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

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

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

Related comparisons

Hubs: QQQ correlations · TREX correlations