PairBook
HomePFSI › PFSI vs QQQ

PFSI vs QQQ: Correlation

PennyMac Financial Services, Inc. (PFSI) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.19.

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

Correlation (3Y)
0.19
weak
Correlation (1Y)
0.19
last 12 months
Correlation (5Y)
0.35
long-run
Ann. covariance
128.9
%² · weekly, annualized

How correlated are PFSI and QQQ?

Over the past 3 years, PFSI and QQQ moved with a correlation of 0.19, which is weak. Recent behaviour matches the longer record: 0.19 over 1 year against 0.19 over 3. Over 5 years the correlation is 0.35, and the annualized covariance of weekly returns is 128.9 %².

Among the 14 assets we track against PFSI, QQQ sits near the bottom by co-movement, at rank #10. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 57.6 percentage points (-31.3% for PFSI against +26.3% for QQQ). Risk is not evenly split, since PFSI carries 1.8 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.

PFSI vs QQQ: side by side

PFSI (PennyMac Financial Services, Inc.)QQQ (Invesco QQQ Trust)
1-year return-31.3%+26.3%
5-year return+17.5%+95.4%
Volatility (ann.)34.9%19.6%
Beta vs S&P 5000.571.28
Max drawdown (3Y)-53.8%-22.8%
Market cap$3.8B
P/E (trailing)10.0
Dividend yield1.65%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: PFSI 1.65% vs 0.44%Smaller drawdown: QQQ -22.8% vs -53.8%Higher 5y return: QQQ +95.4% vs +17.5%

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.

-36%0%+36%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. PFSI · QQQ

Year-by-year returns

YearPFSIQQQ
2022-17.6%-32.6%
2023+57.8%+54.9%
2024+16.8%+25.6%
2025+30.5%+20.8%
2026-43.6%+17.7%

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

Are PFSI and QQQ good diversifiers for each other?

Yes. With a correlation of 0.19, PFSI and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between PFSI and QQQ?

The PFSI/QQQ correlation stands at 0.19 on a 3-year window (1 year: 0.19, 5 years: 0.35), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for PFSI?

Yes. With a correlation of 0.19, PFSI and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of 0.19 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/pfsi-vs-qqq.json

PFSI vs QQQ: 3-year weekly correlation 0.19PFSI vs QQQ0.19

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

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

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

Related comparisons

Hubs: PFSI correlations · QQQ correlations