PDSB vs QQQ: Correlation
PDS Biotechnology Corporation (PDSB) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.41.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PDSB and QQQ?
Across a 3-year window, the weekly returns of PDSB and QQQ correlate at 0.41, moderate. Little has changed lately, as the 1-year reading of 0.36 lands near the 3-year figure. Stretching to 5 years gives 0.36, with an annualized covariance of 777.0 %².
Among the 10 assets we track against PDSB, QQQ sits near the bottom by co-movement, at rank #7. The last year tells two different stories: QQQ led by 109.3 percentage points, -83.0% for PDSB against +26.3% for QQQ. Note the risk asymmetry: PDSB runs 5.0 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.
PDSB vs QQQ: side by side
| PDSB (PDS Biotechnology Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -83.0% | +26.3% |
| 5-year return | -98.5% | +95.4% |
| Volatility (ann.) | 97.2% | 19.6% |
| Beta vs S&P 500 | 2.90 | 1.28 |
| Max drawdown (3Y) | -96.9% | -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 | PDSB | QQQ |
|---|---|---|
| 2022 | +63.0% | -32.6% |
| 2023 | -62.3% | +54.9% |
| 2024 | -67.2% | +25.6% |
| 2025 | -52.8% | +20.8% |
| 2026 | -71.7% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PDSB and QQQ good diversifiers for each other?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between PDSB and QQQ?
As of 2026-08-27, the correlation of weekly returns between PDSB and QQQ is 0.41 over 3 years, 0.36 over 1 year and 0.36 over 5 years.
Is QQQ a good diversifier for PDSB?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.41 mean?
A reading of 0.41 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
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Related comparisons
Hubs: PDSB correlations · QQQ correlations
