PairBook
HomeCOLL › COLL vs DRH

COLL vs DRH: Correlation

How closely do Collegium Pharmaceutical, Inc. (COLL) and Diamondrock Hospitality Company (DRH) 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

Correlation (3Y)
0.44
moderate
Correlation (1Y)
0.64
last 12 months
Correlation (5Y)
0.21
long-run
Ann. covariance
422.1
%² · weekly, annualized

How correlated are COLL and DRH?

Over the past 3 years, COLL and DRH moved with a correlation of 0.44, which is moderate. The past 12 months show a tighter link (0.64) than the 3-year average (0.44). Over 5 years the correlation is 0.21, and the annualized covariance of weekly returns is 422.1 %².

Few assets follow COLL as closely as DRH, which ranks #2 of 15 tracked partners. The last year tells two different stories: DRH led by 85.6 percentage points, -31.8% for COLL against +53.8% for DRH. Risk is not evenly split, since COLL carries 1.5 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.

COLL vs DRH: side by side

COLL (Collegium Pharmaceutical, Inc.)DRH (Diamondrock Hospitality Company)
1-year return-31.8%+53.8%
5-year return+30.2%+60.8%
Volatility (ann.)38.1%25.1%
Beta vs S&P 5000.410.80
Max drawdown (3Y)-48.4%-31.9%
Market cap$0.8B$2.6B
P/E (trailing)20.817.6
Dividend yield0.00%3.84%
Sector / categoryUS ListedUS Listed
Lower P/E: DRH 17.6 vs 20.8Higher yield: DRH 3.84% vs 0.00%Smaller drawdown: DRH -31.9% vs -48.4%Higher 5y return: DRH +60.8% vs +30.2%
-31%0%+61%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. COLL · DRH

Year-by-year returns

YearCOLLDRH
2022+24.2%-13.8%
2023+32.7%+16.3%
2024-6.9%-0.3%
2025+61.6%+3.7%
2026-42.9%+44.1%

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

Are COLL and DRH good diversifiers for each other?

A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between COLL and DRH?

Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.64 over the last year and 0.21 over 5 years.

Is DRH a good diversifier for COLL?

A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.44 mean?

On the −1 to +1 scale, 0.44 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/coll-vs-drh.json

COLL vs DRH: 3-year weekly correlation 0.44COLL vs DRH0.44

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

[![COLL vs DRH correlation](https://www.pairbook.io/api/v1/badge/coll-vs-drh.svg)](https://www.pairbook.io/pair/coll-vs-drh/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: COLL correlations · DRH correlations