JMSB vs QQQ: Correlation
John Marshall Bancorp, Inc. (JMSB) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.18.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are JMSB and QQQ?
Over the past 3 years, JMSB and QQQ moved with a correlation of 0.18, which is weak. The past 12 months show a weaker link (-0.10) than the 3-year average (0.18). Over 5 years the correlation is 0.12, and the annualized covariance of weekly returns is 110.9 %².
QQQ is close to the least connected end of JMSB's tracked universe, ranking #7 of 10. Over the last 12 months QQQ came out ahead by 12.5 percentage points (+13.8% against +26.3%). Note the risk asymmetry: JMSB runs 1.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
JMSB vs QQQ: side by side
| JMSB (John Marshall Bancorp, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +13.8% | +26.3% |
| 5-year return | +32.1% | +95.4% |
| Volatility (ann.) | 31.7% | 19.6% |
| Beta vs S&P 500 | 0.65 | 1.28 |
| Max drawdown (3Y) | -45.4% | -22.8% |
| Market cap | $0.3B | – |
| P/E (trailing) | 13.1 | – |
| Dividend yield | 0.79% | 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 | JMSB | QQQ |
|---|---|---|
| 2022 | +45.8% | -32.6% |
| 2023 | -20.8% | +54.9% |
| 2024 | -9.7% | +25.6% |
| 2025 | +1.2% | +20.8% |
| 2026 | +14.5% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are JMSB and QQQ good diversifiers for each other?
Yes: at 0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between JMSB and QQQ?
Using weekly returns as of 2026-08-27: 0.18 over 3 years, with -0.10 over the last year and 0.12 over 5 years.
Is QQQ a good diversifier for JMSB?
Yes: at 0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.18 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
$ curl https://www.pairbook.io/api/v1/pairs/jmsb-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/jmsb-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: JMSB correlations · QQQ correlations