ETD vs OPK: Correlation
How closely do Ethan Allen Interiors Inc. (ETD) and Opko Health, Inc. (OPK) trade together? Their weekly returns over three years give a correlation of 0.40, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ETD and OPK?
On 3 years of weekly data the ETD/OPK correlation comes out at 0.40, moderate. The relationship has been stable: the 1-year correlation (0.46) sits close to the 3-year figure. The 5-year figure is 0.33, and annualized covariance runs at 536.2 %².
By 3-year correlation, OPK places #7 of the 12 assets tracked against ETD. Their recent paths diverged sharply: over the last 12 months OPK outperformed by 20.9 percentage points (-15.3% for ETD against +5.6% for OPK). Note the risk asymmetry: OPK runs 1.7 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.
ETD vs OPK: side by side
| ETD (Ethan Allen Interiors Inc.) | OPK (Opko Health, Inc.) | |
|---|---|---|
| 1-year return | -15.3% | +5.6% |
| 5-year return | +35.4% | -60.9% |
| Volatility (ann.) | 28.2% | 48.2% |
| Beta vs S&P 500 | 0.66 | 0.84 |
| Max drawdown (3Y) | -36.8% | -53.2% |
| Market cap | $0.6B | $1.1B |
| P/E (trailing) | 15.1 | – |
| Dividend yield | 6.61% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ETD | OPK |
|---|---|---|
| 2022 | +7.5% | -74.0% |
| 2023 | +28.7% | +20.8% |
| 2024 | -6.0% | -2.6% |
| 2025 | -13.2% | -14.3% |
| 2026 | +9.3% | +19.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ETD and OPK good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ETD and OPK?
The ETD/OPK correlation stands at 0.40 on a 3-year window (1 year: 0.46, 5 years: 0.33), computed from weekly returns as of 2026-08-27.
Is OPK a good diversifier for ETD?
Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.40 mean?
A reading of 0.40 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/etd-vs-opk.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/etd-vs-opk/)
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Related comparisons
Hubs: ETD correlations · OPK correlations
