ASTH vs ZD: Correlation
How closely do Astrana Health Inc. (ASTH) and Ziff Davis, Inc. (ZD) trade together? Their weekly returns over three years give a correlation of 0.44, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASTH and ZD?
Over the past 3 years, ASTH and ZD moved with a correlation of 0.44, which is moderate. The relationship has been stable: the 1-year correlation (0.47) sits close to the 3-year figure. Over 5 years the correlation is 0.37, and the annualized covariance of weekly returns is 1299.2 %².
Among the 15 assets we track against ASTH, ZD ranks #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ZD ahead by 24.6 points (+23.1% versus +47.7%).
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.
ASTH vs ZD: side by side
| ASTH (Astrana Health Inc.) | ZD (Ziff Davis, Inc.) | |
|---|---|---|
| 1-year return | +23.1% | +47.7% |
| 5-year return | -46.1% | -53.5% |
| Volatility (ann.) | 56.8% | 52.4% |
| Beta vs S&P 500 | 1.15 | 1.08 |
| Max drawdown (3Y) | -71.0% | -62.6% |
| Market cap | $1.9B | $1.9B |
| P/E (trailing) | 47.4 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ASTH | ZD |
|---|---|---|
| 2022 | -59.7% | -28.6% |
| 2023 | +29.4% | -15.1% |
| 2024 | -17.7% | -19.1% |
| 2025 | -21.3% | -35.3% |
| 2026 | +54.8% | +58.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASTH and ZD good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ASTH and ZD?
Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.47 over the last year and 0.37 over 5 years.
Is ZD a good diversifier for ASTH?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.44 mean?
A reading of 0.44 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/asth-vs-zd.json
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The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ASTH correlations · ZD correlations
