SCHL vs STHO: Correlation
How closely do Scholastic Corporation (SCHL) and Star Holdings - Shares of Beneficial Interest (STHO) trade together? Their weekly returns over three years give a correlation of 0.41, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SCHL and STHO?
Across a 3-year window, the weekly returns of SCHL and STHO correlate at 0.41, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.27 versus 0.41 over 3 years. Stretching to 5 years gives n/a, with an annualized covariance of 639.0 %².
In SCHL's tracked universe of 10 assets, STHO sits right near the top at #2. The last year tells two different stories: SCHL led by 38.4 percentage points, +55.1% for SCHL against +16.7% for STHO.
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.
SCHL vs STHO: side by side
| SCHL (Scholastic Corporation) | STHO (Star Holdings - Shares of Beneficial Interest) | |
|---|---|---|
| 1-year return | +55.1% | +16.7% |
| 5-year return | +32.0% | n/a |
| Volatility (ann.) | 43.5% | 35.5% |
| Beta vs S&P 500 | 0.79 | 0.88 |
| Max drawdown (3Y) | -62.3% | -59.4% |
| Market cap | $0.7B | $0.1B |
| P/E (trailing) | 17.1 | 8.0 |
| Dividend yield | 2.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SCHL | STHO |
|---|---|---|
| 2022 | +0.5% | – |
| 2023 | -2.5% | – |
| 2024 | -42.0% | -35.0% |
| 2025 | +44.0% | -15.4% |
| 2026 | +33.4% | +19.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SCHL and STHO good diversifiers for each other?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between SCHL and STHO?
As of 2026-08-27, the correlation of weekly returns between SCHL and STHO is 0.41 over 3 years, 0.27 over 1 year and n/a over 5 years.
Is STHO a good diversifier for SCHL?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.41 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/schl-vs-stho.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/schl-vs-stho/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: SCHL correlations · STHO correlations
