PSTL vs QQQ: Correlation
Postal Realty Trust, Inc. (PSTL) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.10.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PSTL and QQQ?
Over the past 3 years, PSTL and QQQ moved with a correlation of 0.10, which is weak. The relationship has been stable: the 1-year correlation (0.11) sits close to the 3-year figure. Over 5 years the correlation is 0.23, and the annualized covariance of weekly returns is 42.4 %².
QQQ is close to the least connected end of PSTL's tracked universe, ranking #10 of 13. Correlation aside, the last 12 months split them widely, with PSTL ahead by 31.5 points (+57.8% versus +26.3%).
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.
PSTL vs QQQ: side by side
| PSTL (Postal Realty Trust, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +57.8% | +26.3% |
| 5-year return | +61.4% | +95.4% |
| Volatility (ann.) | 22.1% | 19.6% |
| Beta vs S&P 500 | 0.31 | 1.28 |
| Max drawdown (3Y) | -13.6% | -22.8% |
| Market cap | $0.9B | – |
| P/E (trailing) | 44.1 | – |
| Dividend yield | 4.11% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | ETF · US Growth & Tech |
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.
Year-by-year returns
| Year | PSTL | QQQ |
|---|---|---|
| 2022 | -22.4% | -32.6% |
| 2023 | +6.9% | +54.9% |
| 2024 | -4.1% | +25.6% |
| 2025 | +32.7% | +20.8% |
| 2026 | +50.0% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PSTL and QQQ good diversifiers for each other?
Yes. With a correlation of 0.10, PSTL and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between PSTL and QQQ?
Using weekly returns as of 2026-08-27: 0.10 over 3 years, with 0.11 over the last year and 0.23 over 5 years.
Is QQQ a good diversifier for PSTL?
Yes. With a correlation of 0.10, PSTL and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.10 mean?
On the −1 to +1 scale, 0.10 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
$ curl https://www.pairbook.io/api/v1/pairs/pstl-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/pstl-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PSTL correlations · QQQ correlations
