ACXP vs PCAR: Correlation
How closely do Acurx Pharmaceuticals, Inc. (ACXP) and Paccar (PCAR) trade together? Their weekly returns over three years give a correlation of -0.21, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACXP and PCAR?
Across a 3-year window, the weekly returns of ACXP and PCAR correlate at -0.21, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.36 versus -0.21 over 3 years. Stretching to 5 years gives -0.14, with an annualized covariance of -853.4 %².
Within ACXP's tracked universe of 32 assets, PCAR comes in at #18 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months PCAR outperformed by 97.8 percentage points (-70.0% for ACXP against +27.8% for PCAR). One caveat on sizing: ACXP is 7.1 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.
ACXP vs PCAR: side by side
| ACXP (Acurx Pharmaceuticals, Inc.) | PCAR (Paccar) | |
|---|---|---|
| 1-year return | -70.0% | +27.8% |
| 5-year return | -98.5% | +177.9% |
| Volatility (ann.) | 170.6% | 24.1% |
| Beta vs S&P 500 | -0.66 | 0.74 |
| Max drawdown (3Y) | -98.8% | -27.7% |
| Market cap | – | $66.6B |
| P/E (trailing) | – | 26.6 |
| Dividend yield | 0.00% | 1.04% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | ACXP | PCAR |
|---|---|---|
| 2022 | -7.9% | +17.0% |
| 2023 | -3.8% | +55.0% |
| 2024 | -78.7% | +10.8% |
| 2025 | -84.7% | +8.0% |
| 2026 | -41.4% | +16.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACXP and PCAR good diversifiers for each other?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between ACXP and PCAR?
As of 2026-08-27, the correlation of weekly returns between ACXP and PCAR is -0.21 over 3 years, -0.36 over 1 year and -0.14 over 5 years.
Is PCAR a good diversifier for ACXP?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.21 mean?
A reading of -0.21 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
$ curl https://www.pairbook.io/api/v1/pairs/acxp-vs-pcar.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/acxp-vs-pcar/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ACXP correlations · PCAR correlations
