PairBook
HomeEPRX › EPRX vs QQQ

EPRX vs QQQ: Correlation

Eupraxia Pharmaceuticals Inc. (EPRX) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.27.

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

Correlation (3Y)
0.27
weak
Correlation (1Y)
0.28
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
274.2
%² · weekly, annualized

How correlated are EPRX and QQQ?

Across a 3-year window, the weekly returns of EPRX and QQQ correlate at 0.27, weak. The relationship has been stable: the 1-year correlation (0.28) sits close to the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of 274.2 %².

QQQ is close to the least connected end of EPRX's tracked universe, ranking #10 of 13. Over the last 12 months EPRX came out ahead by 13.1 percentage points (+39.4% against +26.3%). Risk is not evenly split, since EPRX carries 2.5 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.

EPRX vs QQQ: side by side

EPRX (Eupraxia Pharmaceuticals Inc.)QQQ (Invesco QQQ Trust)
1-year return+39.4%+26.3%
5-year returnn/a+95.4%
Volatility (ann.)49.2%19.6%
Beta vs S&P 5001.061.28
Max drawdown (3Y)-35.9%-22.8%
Market cap$0.5B
P/E (trailing)
Dividend yield0.00%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: QQQ 0.44% vs 0.00%Smaller drawdown: QQQ -22.8% vs -35.9%

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.

-2%0%+67%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. EPRX · QQQ

Year-by-year returns

YearEPRXQQQ
2022-32.6%
2023+54.9%
2024+25.6%
2025+138.2%+20.8%
2026-2.5%+17.7%

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

Are EPRX and QQQ good diversifiers for each other?

A fair diversifier. At 0.27, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between EPRX and QQQ?

As of 2026-08-27, the correlation of weekly returns between EPRX and QQQ is 0.27 over 3 years, 0.28 over 1 year and n/a over 5 years.

Is QQQ a good diversifier for EPRX?

A fair diversifier. At 0.27, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.27 mean?

On the −1 to +1 scale, 0.27 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/eprx-vs-qqq.json

EPRX vs QQQ: 3-year weekly correlation 0.27EPRX vs QQQ0.27

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

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

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

Related comparisons

Hubs: EPRX correlations · QQQ correlations