QQQ vs SMHI: Correlation
Invesco QQQ Trust (QQQ) and SEACOR Marine Holdings Inc. (SMHI) show a moderate relationship: their 3-year correlation of weekly returns is 0.31.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and SMHI?
Over the past 3 years, QQQ and SMHI moved with a correlation of 0.31, which is moderate. Lately the two have drifted apart, with the 1-year correlation at -0.04 versus 0.31 over 3 years. Over 5 years the correlation is 0.24, and the annualized covariance of weekly returns is 329.2 %².
By 3-year correlation, SMHI places #1436 of the 4755 assets tracked against QQQ. Correlation aside, the last 12 months split them widely, with SMHI ahead by 20.9 points (+26.3% versus +47.2%). One caveat on sizing: SMHI is 2.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
QQQ vs SMHI: side by side
| QQQ (Invesco QQQ Trust) | SMHI (SEACOR Marine Holdings Inc.) | |
|---|---|---|
| 1-year return | +26.3% | +47.2% |
| 5-year return | +95.4% | +119.6% |
| Volatility (ann.) | 19.6% | 54.8% |
| Beta vs S&P 500 | 1.28 | 1.41 |
| Max drawdown (3Y) | -22.8% | -74.3% |
| Market cap | – | $0.3B |
| P/E (trailing) | – | – |
| Dividend yield | 0.44% | 0.00% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
QQQ, Invesco's Large Growth fund, carries $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | QQQ | SMHI |
|---|---|---|
| 2022 | -32.6% | +169.4% |
| 2023 | +54.9% | +37.4% |
| 2024 | +25.6% | -47.9% |
| 2025 | +20.8% | -8.2% |
| 2026 | +17.7% | +58.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and SMHI good diversifiers for each other?
Reasonably. At 0.31, QQQ and SMHI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between QQQ and SMHI?
Using weekly returns as of 2026-08-27: 0.31 over 3 years, with -0.04 over the last year and 0.24 over 5 years.
Is SMHI a good diversifier for QQQ?
Reasonably. At 0.31, QQQ and SMHI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.31 mean?
On the −1 to +1 scale, 0.31 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/qqq-vs-smhi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-smhi/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: QQQ correlations · SMHI correlations
