ENPH vs ORLY: Correlation
Enphase Energy, Inc. (ENPH) and O'Reilly Automotive (ORLY) show a negative relationship: their 3-year correlation of weekly returns is -0.24.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ENPH and ORLY?
On 3 years of weekly data the ENPH/ORLY correlation comes out at -0.24, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.31) sits close to the 3-year figure. The 5-year figure is -0.06, and annualized covariance runs at -334.2 %².
Out of 12 assets tracked against ENPH, ORLY lands near the bottom at #12. Correlation aside, the last 12 months split them widely, with ENPH ahead by 20.1 points (+4.5% versus -15.6%). Note the risk asymmetry: ENPH runs 3.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 ORLY: side by side
| ENPH (Enphase Energy, Inc.) | ORLY (O'Reilly Automotive) | |
|---|---|---|
| 1-year return | +4.5% | -15.6% |
| 5-year return | -77.9% | +120.8% |
| Volatility (ann.) | 70.2% | 19.8% |
| Beta vs S&P 500 | 1.12 | 0.20 |
| Max drawdown (3Y) | -81.0% | -23.3% |
| Market cap | $5.2B | $71.1B |
| P/E (trailing) | 38.1 | 28.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Consumer Discretionary |
Year-by-year returns
| Year | ENPH | ORLY |
|---|---|---|
| 2022 | +44.8% | +19.5% |
| 2023 | -50.1% | +12.6% |
| 2024 | -48.0% | +24.8% |
| 2025 | -53.3% | +15.4% |
| 2026 | +22.5% | -3.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ENPH and ORLY good diversifiers for each other?
Yes. With a correlation of -0.24, ENPH and ORLY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ENPH and ORLY?
As of 2026-08-27, the correlation of weekly returns between ENPH and ORLY is -0.24 over 3 years, -0.31 over 1 year and -0.06 over 5 years.
Is ORLY a good diversifier for ENPH?
Yes. With a correlation of -0.24, ENPH and ORLY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.24 mean?
On the −1 to +1 scale, -0.24 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/enph-vs-orly.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/enph-vs-orly/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ENPH correlations · ORLY correlations
