PACS vs STIM: Correlation
How closely do PACS Group, Inc. (PACS) and Neuronetics, Inc. (STIM) trade together? Their weekly returns over three years give a correlation of -0.23, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PACS and STIM?
Over the past 3 years, PACS and STIM moved with a correlation of -0.23, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.33 lands near the 3-year figure. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -3050.3 %².
Within PACS's tracked universe of 35 assets, STIM comes in at #25 by 3-year correlation. Correlation aside, the last 12 months split them widely, with PACS ahead by 284.9 points (+273.0% versus -11.9%).
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.
PACS vs STIM: side by side
| PACS (PACS Group, Inc.) | STIM (Neuronetics, Inc.) | |
|---|---|---|
| 1-year return | +273.0% | -11.9% |
| 5-year return | n/a | -54.7% |
| Volatility (ann.) | 120.5% | 109.2% |
| Beta vs S&P 500 | 0.06 | 1.83 |
| Max drawdown (3Y) | -82.0% | -87.3% |
| Market cap | $7.0B | $0.2B |
| P/E (trailing) | 25.9 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PACS | STIM |
|---|---|---|
| 2022 | – | +54.0% |
| 2023 | – | -57.8% |
| 2024 | – | -44.5% |
| 2025 | +192.8% | -14.3% |
| 2026 | +15.2% | +114.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PACS and STIM good diversifiers for each other?
Yes. With a correlation of -0.23, PACS and STIM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between PACS and STIM?
Using weekly returns as of 2026-08-27: -0.23 over 3 years, with -0.33 over the last year and n/a over 5 years.
Is STIM a good diversifier for PACS?
Yes. With a correlation of -0.23, PACS and STIM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.23 mean?
A reading of -0.23 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: PACS correlations · STIM correlations
