ENPH vs PLSE: Correlation
Measured on weekly returns over the past three years, Enphase Energy, Inc. (ENPH) and Pulse Biosciences, Inc (PLSE) carry a correlation of 0.42, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ENPH and PLSE?
Across a 3-year window, the weekly returns of ENPH and PLSE correlate at 0.42, moderate. The past 12 months show a tighter link (0.55) than the 3-year average (0.42). Stretching to 5 years gives 0.25, with an annualized covariance of 2543.4 %².
Among the 12 assets we track against ENPH, PLSE ranks #7 by 3-year correlation. Correlation aside, the last 12 months split them widely, with PLSE ahead by 201.9 points (+4.5% versus +206.4%).
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.
ENPH vs PLSE: side by side
| ENPH (Enphase Energy, Inc.) | PLSE (Pulse Biosciences, Inc) | |
|---|---|---|
| 1-year return | +4.5% | +206.4% |
| 5-year return | -77.9% | +82.4% |
| Volatility (ann.) | 70.2% | 86.6% |
| Beta vs S&P 500 | 1.12 | 1.55 |
| Max drawdown (3Y) | -81.0% | -48.5% |
| Market cap | $5.2B | $3.5B |
| P/E (trailing) | 38.1 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ENPH | PLSE |
|---|---|---|
| 2022 | +44.8% | -81.3% |
| 2023 | -50.1% | +341.9% |
| 2024 | -48.0% | +42.2% |
| 2025 | -53.3% | -21.1% |
| 2026 | +22.5% | +253.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ENPH and PLSE good diversifiers for each other?
Reasonably. At 0.42, ENPH and PLSE keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ENPH and PLSE?
The ENPH/PLSE correlation stands at 0.42 on a 3-year window (1 year: 0.55, 5 years: 0.25), computed from weekly returns as of 2026-08-27.
Is PLSE a good diversifier for ENPH?
Reasonably. At 0.42, ENPH and PLSE keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.42 mean?
A reading of 0.42 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/enph-vs-plse.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/enph-vs-plse/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ENPH correlations · PLSE correlations
