PairBook
HomeQQQ › QQQ vs TAYD

QQQ vs TAYD: Correlation

Invesco QQQ Trust (QQQ) and Taylor Devices, Inc. (TAYD) show a near-zero relationship: their 3-year correlation of weekly returns is 0.08.

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

Correlation (3Y)
0.08
near-zero
Correlation (1Y)
-0.23
last 12 months
Correlation (5Y)
0.12
long-run
Ann. covariance
82.8
%² · weekly, annualized

How correlated are QQQ and TAYD?

Across a 3-year window, the weekly returns of QQQ and TAYD correlate at 0.08, near zero, meaning they move largely independently. The past 12 months show a weaker link (-0.23) than the 3-year average (0.08). Stretching to 5 years gives 0.12, with an annualized covariance of 82.8 %².

Within QQQ's tracked universe of 4755 assets, TAYD comes in at #4010 by 3-year correlation. Their 12-month results are close: +26.3% for QQQ against +26.6% for TAYD. Risk is not evenly split, since TAYD carries 2.8 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.

QQQ vs TAYD: side by side

QQQ (Invesco QQQ Trust)TAYD (Taylor Devices, Inc.)
1-year return+26.3%+26.6%
5-year return+95.4%+405.0%
Volatility (ann.)19.6%55.2%
Beta vs S&P 5001.280.59
Max drawdown (3Y)-22.8%-52.7%
Market cap$0.2B
P/E (trailing)23.2
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 -52.7%Higher 5y return: TAYD +405.0% vs +95.4%

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.

-12%0%+88%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. QQQ · TAYD

Year-by-year returns

YearQQQTAYD
2022-32.6%+29.9%
2023+54.9%+56.0%
2024+25.6%+88.1%
2025+20.8%+40.5%
2026+17.7%+4.0%

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

Are QQQ and TAYD good diversifiers for each other?

Yes: at 0.08, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between QQQ and TAYD?

The QQQ/TAYD correlation stands at 0.08 on a 3-year window (1 year: -0.23, 5 years: 0.12), computed from weekly returns as of 2026-08-27.

Is TAYD a good diversifier for QQQ?

Yes: at 0.08, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of 0.08 mean?

A reading of 0.08 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/qqq-vs-tayd.json

QQQ vs TAYD: 3-year weekly correlation 0.08QQQ vs TAYD0.08

Markdown for the live badge, attribution link included:

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

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: QQQ correlations · TAYD correlations