PairBook
HomeCHH › CHH vs EDSA

CHH vs EDSA: Correlation

Measured on weekly returns over the past three years, Choice Hotels International, Inc. (CHH) and Edesa Biotech, Inc. (EDSA) carry a correlation of -0.25, a negative link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
-0.25
negative
Correlation (1Y)
-0.38
last 12 months
Correlation (5Y)
-0.16
long-run
Ann. covariance
-1297.2
%² · weekly, annualized

How correlated are CHH and EDSA?

On 3 years of weekly data the CHH/EDSA correlation comes out at -0.25, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.38) than the 3-year average (-0.25). The 5-year figure is -0.16, and annualized covariance runs at -1297.2 %².

Out of 10 assets tracked against CHH, EDSA lands near the bottom at #9. Their recent paths diverged sharply: over the last 12 months EDSA outperformed by 100.7 percentage points (-9.0% for CHH against +91.7% for EDSA). Note the risk asymmetry: EDSA runs 7.1 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.

CHH vs EDSA: side by side

CHH (Choice Hotels International, Inc.)EDSA (Edesa Biotech, Inc.)
1-year return-9.0%+91.7%
5-year return-5.3%-87.4%
Volatility (ann.)26.8%190.4%
Beta vs S&P 5000.59-0.03
Max drawdown (3Y)-45.5%-87.3%
Market cap$4.9B
P/E (trailing)15.6
Dividend yield1.05%0.00%
Sector / categoryUS ListedUS Listed
Higher yield: CHH 1.05% vs 0.00%Smaller drawdown: CHH -45.5% vs -87.3%Higher 5y return: CHH -5.3% vs -87.4%
-68%0%+595%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). CHH · EDSA

Year-by-year returns

YearCHHEDSA
2022-27.1%-61.6%
2023+1.6%-69.8%
2024+26.2%-63.2%
2025-32.3%-15.5%
2026+14.9%+223.9%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are CHH and EDSA good diversifiers for each other?

By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.

FAQ

What is the correlation between CHH and EDSA?

Using weekly returns as of 2026-08-27: -0.25 over 3 years, with -0.38 over the last year and -0.16 over 5 years.

Is EDSA a good diversifier for CHH?

By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.

What does a correlation of -0.25 mean?

On the −1 to +1 scale, -0.25 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/chh-vs-edsa.json

CHH vs EDSA: 3-year weekly correlation -0.25CHH vs EDSA-0.25

Drop this badge in a README or notebook; it updates with the data:

[![CHH vs EDSA correlation](https://www.pairbook.io/api/v1/badge/chh-vs-edsa.svg)](https://www.pairbook.io/pair/chh-vs-edsa/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: CHH correlations · EDSA correlations