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INMB vs XBI: Correlation

How closely do INmune Bio Inc. (INMB) and SPDR S&P Biotech ETF (XBI) trade together? Their weekly returns over three years give a correlation of 0.33, which is moderate.

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

Correlation (3Y)
0.33
moderate
Correlation (1Y)
0.34
last 12 months
Correlation (5Y)
0.35
long-run
Ann. covariance
705.2
%² · weekly, annualized

How correlated are INMB and XBI?

Over the past 3 years, INMB and XBI moved with a correlation of 0.33, which is moderate. The relationship has been stable: the 1-year correlation (0.34) sits close to the 3-year figure. Over 5 years the correlation is 0.35, and the annualized covariance of weekly returns is 705.2 %².

By 3-year correlation, XBI places #5 of the 11 assets tracked against INMB. Correlation aside, the last 12 months split them widely, with XBI ahead by 69.8 points (+17.4% versus +87.2%). One caveat on sizing: INMB is 2.7 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

INMB vs XBI: side by side

INMB (INmune Bio Inc.)XBI (SPDR S&P Biotech ETF)
1-year return+17.4%+87.2%
5-year return-89.4%+28.6%
Volatility (ann.)76.1%27.7%
Beta vs S&P 5001.331.09
Max drawdown (3Y)-92.0%-33.0%
Market cap$0.1B
P/E (trailing)
Dividend yield0.00%
Sector / categoryUS ListedETF · Thematic
Smaller drawdown: XBI -33.0% vs -92.0%Higher 5y return: XBI +28.6% vs -89.4%
-43%0%+77%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. INMB · XBI

Year-by-year returns

YearINMBXBI
2022-37.8%-25.9%
2023+77.6%+7.6%
2024-58.5%+1.0%
2025-66.6%+35.9%
2026+53.8%+38.1%

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

Are INMB and XBI good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between INMB and XBI?

The INMB/XBI correlation stands at 0.33 on a 3-year window (1 year: 0.34, 5 years: 0.35), computed from weekly returns as of 2026-08-27.

Is XBI a good diversifier for INMB?

Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.33 mean?

A reading of 0.33 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

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

INMB vs XBI: 3-year weekly correlation 0.33INMB vs XBI0.33

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Related comparisons

Hubs: INMB correlations · XBI correlations