CPSH vs REGN: Correlation
How closely do CPS Technologies Corp. (CPSH) and Regeneron Pharmaceuticals (REGN) trade together? Their weekly returns over three years give a correlation of -0.29, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CPSH and REGN?
Over the past 3 years, CPSH and REGN moved with a correlation of -0.29, which is negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.45) than the 3-year average (-0.29). Over 5 years the correlation is -0.11, and the annualized covariance of weekly returns is -723.1 %².
Out of 18 assets tracked against CPSH, REGN lands near the bottom at #18. Their recent paths diverged sharply: over the last 12 months REGN outperformed by 23.0 percentage points (+15.3% for CPSH against +38.3% for REGN). One caveat on sizing: CPSH is 2.5 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.
CPSH vs REGN: side by side
| CPSH (CPS Technologies Corp.) | REGN (Regeneron Pharmaceuticals) | |
|---|---|---|
| 1-year return | +15.3% | +38.3% |
| 5-year return | -32.8% | +20.4% |
| Volatility (ann.) | 78.3% | 31.8% |
| Beta vs S&P 500 | 0.50 | 0.61 |
| Max drawdown (3Y) | -69.7% | -59.7% |
| Market cap | $0.1B | $83.2B |
| P/E (trailing) | 392.0 | 20.2 |
| Dividend yield | 0.00% | 0.45% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | CPSH | REGN |
|---|---|---|
| 2022 | -29.0% | +14.2% |
| 2023 | -12.6% | +21.7% |
| 2024 | -31.5% | -18.9% |
| 2025 | +91.9% | +9.0% |
| 2026 | +26.9% | +5.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CPSH and REGN good diversifiers for each other?
By historical standards, yes. A correlation of -0.29 means the two rarely move for the same reasons.
FAQ
What is the correlation between CPSH and REGN?
Using weekly returns as of 2026-08-27: -0.29 over 3 years, with -0.45 over the last year and -0.11 over 5 years.
Is REGN a good diversifier for CPSH?
By historical standards, yes. A correlation of -0.29 means the two rarely move for the same reasons.
What does a correlation of -0.29 mean?
A reading of -0.29 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/cpsh-vs-regn.json
Embed this badge (it refreshes with the data), with attribution:
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Related comparisons
Hubs: CPSH correlations · REGN correlations
