CASY vs CHT: Correlation
Casey's (CASY) and Chunghwa Telecom Co., Ltd. (CHT) show a moderate relationship: their 3-year correlation of weekly returns is 0.31.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CASY and CHT?
Across a 3-year window, the weekly returns of CASY and CHT correlate at 0.31, moderate. Little has changed lately, as the 1-year reading of 0.32 lands near the 3-year figure. Stretching to 5 years gives 0.26, with an annualized covariance of 105.2 %².
By 3-year correlation, CHT places #12 of the 30 assets tracked against CASY. Correlation aside, the last 12 months split them widely, with CASY ahead by 52.1 points (+53.7% versus +1.6%). Risk is not evenly split, since CASY carries 2.4 times the volatility of the other side.
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.
CASY vs CHT: side by side
| CASY (Casey's) | CHT (Chunghwa Telecom Co., Ltd.) | |
|---|---|---|
| 1-year return | +53.7% | +1.6% |
| 5-year return | +284.3% | +29.5% |
| Volatility (ann.) | 28.9% | 11.9% |
| Beta vs S&P 500 | 0.39 | 0.20 |
| Max drawdown (3Y) | -16.6% | -11.0% |
| Market cap | $28.2B | $33.3B |
| P/E (trailing) | 42.2 | 26.9 |
| Dividend yield | 0.28% | 12.12% |
| Sector / category | Consumer Staples | US Listed |
Year-by-year returns
| Year | CASY | CHT |
|---|---|---|
| 2022 | +14.5% | -10.0% |
| 2023 | +23.3% | +11.1% |
| 2024 | +45.0% | +0.2% |
| 2025 | +40.1% | +14.9% |
| 2026 | +38.4% | +7.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CASY and CHT good diversifiers for each other?
A fair diversifier. At 0.31, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CASY and CHT?
The CASY/CHT correlation stands at 0.31 on a 3-year window (1 year: 0.32, 5 years: 0.26), computed from weekly returns as of 2026-08-27.
Is CHT a good diversifier for CASY?
A fair diversifier. At 0.31, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.31 mean?
On the −1 to +1 scale, 0.31 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/casy-vs-cht.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/casy-vs-cht/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CASY correlations · CHT correlations
