QQQ vs SERA: Correlation
Invesco QQQ Trust (QQQ) and Sera Prognostics, Inc. (SERA) show a weak relationship: their 3-year correlation of weekly returns is 0.11.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and SERA?
Across a 3-year window, the weekly returns of QQQ and SERA correlate at 0.11, weak. Little has changed lately, as the 1-year reading of 0.14 lands near the 3-year figure. Stretching to 5 years gives 0.15, with an annualized covariance of 275.5 %².
Among the 4755 assets we track against QQQ, SERA ranks #3781 by 3-year correlation. The last year tells two different stories: QQQ led by 54.8 percentage points, +26.3% for QQQ against -28.5% for SERA. One caveat on sizing: SERA is 6.4 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 SERA: side by side
| QQQ (Invesco QQQ Trust) | SERA (Sera Prognostics, Inc.) | |
|---|---|---|
| 1-year return | +26.3% | -28.5% |
| 5-year return | +95.4% | -79.2% |
| Volatility (ann.) | 19.6% | 125.6% |
| Beta vs S&P 500 | 1.28 | 1.29 |
| Max drawdown (3Y) | -22.8% | -87.3% |
| Market cap | – | $0.1B |
| 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 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 | QQQ | SERA |
|---|---|---|
| 2022 | -32.6% | -81.7% |
| 2023 | +54.9% | +374.6% |
| 2024 | +25.6% | +36.1% |
| 2025 | +20.8% | -63.8% |
| 2026 | +17.7% | -31.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and SERA good diversifiers for each other?
Yes: at 0.11, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between QQQ and SERA?
Using weekly returns as of 2026-08-27: 0.11 over 3 years, with 0.14 over the last year and 0.15 over 5 years.
Is SERA a good diversifier for QQQ?
Yes: at 0.11, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.11 mean?
On the −1 to +1 scale, 0.11 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-sera.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-sera/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: QQQ correlations · SERA correlations
