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BDMD vs MAR: Correlation

Baird Medical Investment Holdings Ltd (BDMD) and Marriott International (MAR) show a negative relationship: their 3-year correlation of weekly returns is -0.20.

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

Correlation (3Y)
-0.20
negative
Correlation (1Y)
-0.23
last 12 months
Correlation (5Y)
-0.14
long-run
Ann. covariance
-920.4
%² · weekly, annualized

How correlated are BDMD and MAR?

On 3 years of weekly data the BDMD/MAR correlation comes out at -0.20, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.23 over 1 year against -0.20 over 3. The 5-year figure is -0.14, and annualized covariance runs at -920.4 %².

Among the 15 assets we track against BDMD, MAR sits near the bottom by co-movement, at rank #12. Correlation aside, the last 12 months split them widely, with MAR ahead by 87.2 points (-54.9% versus +32.3%). Risk is not evenly split, since BDMD carries 7.6 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.

BDMD vs MAR: side by side

BDMD (Baird Medical Investment Holdings Ltd)MAR (Marriott International)
1-year return-54.9%+32.3%
5-year return-88.5%+173.2%
Volatility (ann.)187.8%24.6%
Beta vs S&P 500-0.540.97
Max drawdown (3Y)-93.6%-30.5%
Market cap$92.3B
P/E (trailing)36.7
Dividend yield0.00%0.76%
Sector / categoryUS ListedConsumer Discretionary
Higher yield: MAR 0.76% vs 0.00%Smaller drawdown: MAR -30.5% vs -93.6%Higher 5y return: MAR +173.2% vs -88.5%
-67%0%+53%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BDMD · MAR

Year-by-year returns

YearBDMDMAR
2022+4.1%-9.3%
2023+4.4%+53.1%
2024-29.0%+24.9%
2025-82.1%+12.3%
2026-18.4%+14.7%

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

Are BDMD and MAR good diversifiers for each other?

Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between BDMD and MAR?

The BDMD/MAR correlation stands at -0.20 on a 3-year window (1 year: -0.23, 5 years: -0.14), computed from weekly returns as of 2026-08-27.

Is MAR a good diversifier for BDMD?

Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.20 mean?

On the −1 to +1 scale, -0.20 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.

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BDMD vs MAR: 3-year weekly correlation -0.20BDMD vs MAR-0.20

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Related comparisons

Hubs: BDMD correlations · MAR correlations