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OMER vs PRAX: Correlation

How closely do Omeros Corporation (OMER) and Praxis Precision Medicines, Inc. (PRAX) trade together? Their weekly returns over three years give a correlation of 0.50, which is moderate.

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

Correlation (3Y)
0.50
moderate
Correlation (1Y)
0.69
last 12 months
Correlation (5Y)
0.36
long-run
Ann. covariance
10185.8
%² · weekly, annualized

How correlated are OMER and PRAX?

On 3 years of weekly data the OMER/PRAX correlation comes out at 0.50, moderate. The link has tightened recently: the 1-year correlation (0.69) runs above the 3-year figure (0.50). The 5-year figure is 0.36, and annualized covariance runs at 10185.8 %².

In OMER's tracked universe of 13 assets, PRAX sits right near the top at #1. Their recent paths diverged sharply: over the last 12 months PRAX outperformed by 331.1 percentage points (+352.9% for OMER against +684.0% for PRAX).

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.

OMER vs PRAX: side by side

OMER (Omeros Corporation)PRAX (Praxis Precision Medicines, Inc.)
1-year return+352.9%+684.0%
5-year return+22.7%+28.6%
Volatility (ann.)119.0%170.9%
Beta vs S&P 5001.802.13
Max drawdown (3Y)-75.6%-68.6%
Market cap$1.4B$10.3B
P/E (trailing)11.1
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: PRAX -68.6% vs -75.6%Higher 5y return: PRAX +28.6% vs +22.7%
-20%0%+702%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). OMER · PRAX

Year-by-year returns

YearOMERPRAX
2022-64.9%-87.9%
2023+44.7%-37.6%
2024+202.1%+245.4%
2025+73.9%+283.0%
2026+12.0%+24.8%

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

Are OMER and PRAX good diversifiers for each other?

Only partially. A correlation of 0.50 means OMER and PRAX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between OMER and PRAX?

As of 2026-08-27, the correlation of weekly returns between OMER and PRAX is 0.50 over 3 years, 0.69 over 1 year and 0.36 over 5 years.

Is PRAX a good diversifier for OMER?

Only partially. A correlation of 0.50 means OMER and PRAX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.50 mean?

A reading of 0.50 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/omer-vs-prax.json

OMER vs PRAX: 3-year weekly correlation 0.50OMER vs PRAX0.50

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Related comparisons

Hubs: OMER correlations · PRAX correlations