PairBook
HomeCPIX › CPIX vs QQQ

CPIX vs QQQ: Correlation

Measured on weekly returns over the past three years, Cumberland Pharmaceuticals Inc. (CPIX) and Invesco QQQ Trust (QQQ) carry a correlation of 0.04, a near-zero link.

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

Correlation (3Y)
0.04
near-zero
Correlation (1Y)
0.20
last 12 months
Correlation (5Y)
0.05
long-run
Ann. covariance
83.3
%² · weekly, annualized

How correlated are CPIX and QQQ?

On 3 years of weekly data the CPIX/QQQ correlation comes out at 0.04, near zero, meaning they move largely independently. The link has tightened recently: the 1-year correlation (0.20) runs above the 3-year figure (0.04). The 5-year figure is 0.05, and annualized covariance runs at 83.3 %².

Within CPIX's tracked universe of 16 assets, QQQ comes in at #8 by 3-year correlation. The last year tells two different stories: CPIX led by 201.8 percentage points, +228.1% for CPIX against +26.3% for QQQ. Risk is not evenly split, since CPIX carries 6.0 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.

CPIX vs QQQ: side by side

CPIX (Cumberland Pharmaceuticals Inc.)QQQ (Invesco QQQ Trust)
1-year return+228.1%+26.3%
5-year return+295.6%+95.4%
Volatility (ann.)117.9%19.6%
Beta vs S&P 5000.071.28
Max drawdown (3Y)-71.9%-22.8%
Market cap$0.1B
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 -71.9%Higher 5y return: CPIX +295.6% 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.

-40%0%+237%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CPIX · QQQ

Year-by-year returns

YearCPIXQQQ
2022-51.8%-32.6%
2023-20.4%+54.9%
2024+32.4%+25.6%
2025+67.9%+20.8%
2026+180.3%+17.7%

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

Are CPIX and QQQ good diversifiers for each other?

Yes: at 0.04, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between CPIX and QQQ?

Using weekly returns as of 2026-08-27: 0.04 over 3 years, with 0.20 over the last year and 0.05 over 5 years.

Is QQQ a good diversifier for CPIX?

Yes: at 0.04, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of 0.04 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/cpix-vs-qqq.json

CPIX vs QQQ: 3-year weekly correlation 0.04CPIX vs QQQ0.04

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

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

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

Related comparisons

Hubs: CPIX correlations · QQQ correlations