PHG vs SPWR: Correlation
Measured on weekly returns over the past three years, Koninklijke Philips N.V. NY Registry Shares (PHG) and SunPower Inc. (SPWR) carry a correlation of 0.45, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PHG and SPWR?
Across a 3-year window, the weekly returns of PHG and SPWR correlate at 0.45, moderate. The past 12 months show a weaker link (0.22) than the 3-year average (0.45). Stretching to 5 years gives 0.40, with an annualized covariance of 2186.1 %².
By 3-year correlation, SPWR places #6 of the 14 assets tracked against PHG. Correlation aside, the last 12 months split them widely, with PHG ahead by 81.4 points (+1.0% versus -80.4%). One caveat on sizing: SPWR is 4.4 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.
PHG vs SPWR: side by side
| PHG (Koninklijke Philips N.V. NY Registry Shares) | SPWR (SunPower Inc.) | |
|---|---|---|
| 1-year return | +1.0% | -80.4% |
| 5-year return | -32.8% | n/a |
| Volatility (ann.) | 33.4% | 146.1% |
| Beta vs S&P 500 | 0.92 | 1.97 |
| Max drawdown (3Y) | -33.8% | -92.9% |
| Market cap | $26.3B | $0.1B |
| P/E (trailing) | 20.2 | – |
| Dividend yield | 3.15% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PHG | SPWR |
|---|---|---|
| 2022 | -57.6% | – |
| 2023 | +55.6% | – |
| 2024 | +8.5% | +11.5% |
| 2025 | +11.2% | -12.3% |
| 2026 | +3.3% | -81.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PHG and SPWR good diversifiers for each other?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between PHG and SPWR?
Using weekly returns as of 2026-08-27: 0.45 over 3 years, with 0.22 over the last year and 0.40 over 5 years.
Is SPWR a good diversifier for PHG?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.45 mean?
On the −1 to +1 scale, 0.45 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/phg-vs-spwr.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/phg-vs-spwr/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PHG correlations · SPWR correlations
