MCRB vs QQQ: Correlation
Measured on weekly returns over the past three years, Seres Therapeutics, Inc. (MCRB) and Invesco QQQ Trust (QQQ) carry a correlation of 0.15, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MCRB and QQQ?
Over the past 3 years, MCRB and QQQ moved with a correlation of 0.15, which is weak. Little has changed lately, as the 1-year reading of 0.09 lands near the 3-year figure. Over 5 years the correlation is 0.16, and the annualized covariance of weekly returns is 299.5 %².
Among the 11 assets we track against MCRB, QQQ sits near the bottom by co-movement, at rank #8. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 100.1 percentage points (-73.8% for MCRB against +26.3% for QQQ). Note the risk asymmetry: MCRB runs 5.3 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.
MCRB vs QQQ: side by side
| MCRB (Seres Therapeutics, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -73.8% | +26.3% |
| 5-year return | -96.0% | +95.4% |
| Volatility (ann.) | 103.2% | 19.6% |
| Beta vs S&P 500 | 1.38 | 1.28 |
| Max drawdown (3Y) | -94.0% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 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 | MCRB | QQQ |
|---|---|---|
| 2022 | -32.8% | -32.6% |
| 2023 | -75.0% | +54.9% |
| 2024 | -40.6% | +25.6% |
| 2025 | -10.5% | +20.8% |
| 2026 | -66.7% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MCRB and QQQ good diversifiers for each other?
By historical standards, yes. A correlation of 0.15 means the two rarely move for the same reasons.
FAQ
What is the correlation between MCRB and QQQ?
The MCRB/QQQ correlation stands at 0.15 on a 3-year window (1 year: 0.09, 5 years: 0.16), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for MCRB?
By historical standards, yes. A correlation of 0.15 means the two rarely move for the same reasons.
What does a correlation of 0.15 mean?
On the −1 to +1 scale, 0.15 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/mcrb-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/mcrb-vs-qqq/)
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Related comparisons
Hubs: MCRB correlations · QQQ correlations
