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ANNX vs OLMA: Correlation

How closely do Annexon, Inc. (ANNX) and Olema Pharmaceuticals, Inc. (OLMA) 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)
0.70
last 12 months
Correlation (5Y)
0.39
long-run
Ann. covariance
5394.3
%² · weekly, annualized

How correlated are ANNX and OLMA?

Across a 3-year window, the weekly returns of ANNX and OLMA correlate at 0.44, moderate. The link has tightened recently: the 1-year correlation (0.70) runs above the 3-year figure (0.44). Stretching to 5 years gives 0.39, with an annualized covariance of 5394.3 %².

Within ANNX's tracked universe of 13 assets, OLMA comes in at #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ANNX ahead by 60.8 points (+148.8% versus +88.0%).

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.

ANNX vs OLMA: side by side

ANNX (Annexon, Inc.)OLMA (Olema Pharmaceuticals, Inc.)
1-year return+148.8%+88.0%
5-year return-68.9%-64.1%
Volatility (ann.)92.8%133.2%
Beta vs S&P 5001.721.18
Max drawdown (3Y)-82.3%-82.1%
Market cap$1.0B$0.9B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: OLMA -82.1% vs -82.3%Higher 5y return: OLMA -64.1% vs -68.9%
-6%0%+298%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). ANNX · OLMA

Year-by-year returns

YearANNXOLMA
2022-55.0%-73.8%
2023-12.2%+472.7%
2024+13.0%-58.4%
2025-2.1%+328.8%
2026+4.6%-56.8%

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

Are ANNX and OLMA good diversifiers for each other?

Reasonably. At 0.44, ANNX and OLMA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between ANNX and OLMA?

Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.70 over the last year and 0.39 over 5 years.

Is OLMA a good diversifier for ANNX?

Reasonably. At 0.44, ANNX and OLMA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.44 mean?

A reading of 0.44 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/annx-vs-olma.json

ANNX vs OLMA: 3-year weekly correlation 0.44ANNX vs OLMA0.44

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Related comparisons

Hubs: ANNX correlations · OLMA correlations