PCSA vs QQQ: Correlation
Measured on weekly returns over the past three years, Processa Pharmaceuticals, Inc. (PCSA) and Invesco QQQ Trust (QQQ) carry a correlation of 0.07, a near-zero link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PCSA and QQQ?
Across a 3-year window, the weekly returns of PCSA and QQQ correlate at 0.07, near zero, meaning they move largely independently. Recent behaviour matches the longer record: 0.12 over 1 year against 0.07 over 3. Stretching to 5 years gives 0.07, with an annualized covariance of 220.8 %².
Out of 15 assets tracked against PCSA, QQQ lands near the bottom at #11. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 86.7 percentage points (-60.4% for PCSA against +26.3% for QQQ). Risk is not evenly split, since PCSA carries 7.8 times the volatility of the other side.
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.
PCSA vs QQQ: side by side
| PCSA (Processa Pharmaceuticals, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -60.4% | +26.3% |
| 5-year return | -99.9% | +95.4% |
| Volatility (ann.) | 153.6% | 19.6% |
| Beta vs S&P 500 | 1.04 | 1.28 |
| Max drawdown (3Y) | -99.6% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | 3.3 | – |
| 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 | PCSA | QQQ |
|---|---|---|
| 2022 | -77.6% | -32.6% |
| 2023 | -69.5% | +54.9% |
| 2024 | -86.8% | +25.6% |
| 2025 | -87.0% | +20.8% |
| 2026 | -26.7% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PCSA and QQQ good diversifiers for each other?
Yes: at 0.07, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PCSA and QQQ?
As of 2026-08-27, the correlation of weekly returns between PCSA and QQQ is 0.07 over 3 years, 0.12 over 1 year and 0.07 over 5 years.
Is QQQ a good diversifier for PCSA?
Yes: at 0.07, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.07 mean?
A reading of 0.07 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: PCSA correlations · QQQ correlations
