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ATRA vs TENX: Correlation

Measured on weekly returns over the past three years, Atara Biotherapeutics, Inc. (ATRA) and Tenax Therapeutics, Inc. (TENX) carry a correlation of 0.38, a moderate link.

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

Correlation (3Y)
0.38
moderate
Correlation (1Y)
-0.07
last 12 months
Correlation (5Y)
0.28
long-run
Ann. covariance
7399.6
%² · weekly, annualized

How correlated are ATRA and TENX?

On 3 years of weekly data the ATRA/TENX correlation comes out at 0.38, moderate. The link has loosened recently: the 1-year correlation (-0.07) runs below the 3-year figure (0.38). The 5-year figure is 0.28, and annualized covariance runs at 7399.6 %².

Within ATRA's tracked universe of 13 assets, TENX comes in at #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ATRA ahead by 37.9 points (-25.1% versus -63.0%).

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.

ATRA vs TENX: side by side

ATRA (Atara Biotherapeutics, Inc.)TENX (Tenax Therapeutics, Inc.)
1-year return-25.1%-63.0%
5-year return-97.5%-99.9%
Volatility (ann.)153.2%127.0%
Beta vs S&P 5001.170.95
Max drawdown (3Y)-90.7%-97.2%
Market cap$0.1B$0.1B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: ATRA -90.7% vs -97.2%Higher 5y return: ATRA -97.5% vs -99.9%
-71%0%+193%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ATRA · TENX

Year-by-year returns

YearATRATENX
2022-79.2%-89.3%
2023-84.4%-87.6%
2024+3.8%-71.9%
2025+35.9%+96.9%
2026-48.9%-82.0%

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

Are ATRA and TENX good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between ATRA and TENX?

The ATRA/TENX correlation stands at 0.38 on a 3-year window (1 year: -0.07, 5 years: 0.28), computed from weekly returns as of 2026-08-27.

Is TENX a good diversifier for ATRA?

Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.38 mean?

On the −1 to +1 scale, 0.38 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/atra-vs-tenx.json

ATRA vs TENX: 3-year weekly correlation 0.38ATRA vs TENX0.38

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Related comparisons

Hubs: ATRA correlations · TENX correlations