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CMRC vs GRPN: Correlation

How closely do Commerce.com, Inc. - Series 1 (CMRC) and Groupon, Inc. (GRPN) trade together? Their weekly returns over three years give a correlation of 0.47, which is moderate.

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

Correlation (3Y)
0.47
moderate
Correlation (1Y)
0.50
last 12 months
Correlation (5Y)
0.44
long-run
Ann. covariance
2322.4
%² · weekly, annualized

How correlated are CMRC and GRPN?

Across a 3-year window, the weekly returns of CMRC and GRPN correlate at 0.47, moderate. Recent behaviour matches the longer record: 0.50 over 1 year against 0.47 over 3. Stretching to 5 years gives 0.44, with an annualized covariance of 2322.4 %².

Within CMRC's tracked universe of 16 assets, GRPN comes in at #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months GRPN outperformed by 24.0 percentage points (-49.8% for CMRC against -25.8% for GRPN). Note the risk asymmetry: GRPN runs 1.7 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.

CMRC vs GRPN: side by side

CMRC (Commerce.com, Inc. - Series 1)GRPN (Groupon, Inc.)
1-year return-49.8%-25.8%
5-year return-96.1%-17.9%
Volatility (ann.)53.5%91.7%
Beta vs S&P 5001.401.87
Max drawdown (3Y)-81.5%-74.2%
Market cap$0.2B$0.8B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: GRPN -74.2% vs -81.5%Higher 5y return: GRPN -17.9% vs -96.1%
-60%0%+16%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CMRC · GRPN

Year-by-year returns

YearCMRCGRPN
2022-75.3%-63.0%
2023+11.3%+49.7%
2024-37.1%-5.4%
2025-32.7%+44.9%
2026-42.5%+10.6%

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

Are CMRC and GRPN good diversifiers for each other?

Reasonably. At 0.47, CMRC and GRPN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between CMRC and GRPN?

As of 2026-08-27, the correlation of weekly returns between CMRC and GRPN is 0.47 over 3 years, 0.50 over 1 year and 0.44 over 5 years.

Is GRPN a good diversifier for CMRC?

Reasonably. At 0.47, CMRC and GRPN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.47 mean?

A reading of 0.47 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

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CMRC vs GRPN: 3-year weekly correlation 0.47CMRC vs GRPN0.47

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Hubs: CMRC correlations · GRPN correlations