AFYA vs STRA: Correlation
How closely do Afya Limited - Class A (AFYA) and Strategic Education, Inc. (STRA) trade together? Their weekly returns over three years give a correlation of 0.43, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AFYA and STRA?
Across a 3-year window, the weekly returns of AFYA and STRA correlate at 0.43, moderate. Little has changed lately, as the 1-year reading of 0.47 lands near the 3-year figure. Stretching to 5 years gives 0.32, with an annualized covariance of 451.6 %².
In AFYA's tracked universe of 10 assets, STRA sits right near the top at #1. On 12-month performance STRA holds a 9.1-point edge, -1.0% against +8.1%.
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.
AFYA vs STRA: side by side
| AFYA (Afya Limited - Class A) | STRA (Strategic Education, Inc.) | |
|---|---|---|
| 1-year return | -1.0% | +8.1% |
| 5-year return | -27.6% | +27.6% |
| Volatility (ann.) | 30.2% | 34.7% |
| Beta vs S&P 500 | 0.56 | 0.80 |
| Max drawdown (3Y) | -40.4% | -38.1% |
| Market cap | $1.3B | $1.9B |
| P/E (trailing) | 8.5 | 14.2 |
| Dividend yield | 23.89% | 2.81% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AFYA | STRA |
|---|---|---|
| 2022 | -0.6% | +40.4% |
| 2023 | +40.4% | +21.4% |
| 2024 | -27.6% | +3.5% |
| 2025 | -1.7% | -11.6% |
| 2026 | -3.0% | +8.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AFYA and STRA good diversifiers for each other?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between AFYA and STRA?
The AFYA/STRA correlation stands at 0.43 on a 3-year window (1 year: 0.47, 5 years: 0.32), computed from weekly returns as of 2026-08-27.
Is STRA a good diversifier for AFYA?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.43 mean?
On the −1 to +1 scale, 0.43 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/afya-vs-stra.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/afya-vs-stra/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AFYA correlations · STRA correlations
