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POWI vs PRAX: Correlation

How closely do Power Integrations, Inc. (POWI) and Praxis Precision Medicines, Inc. (PRAX) trade together? Their weekly returns over three years give a correlation of 0.45, which is moderate.

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

Correlation (3Y)
0.45
moderate
Correlation (1Y)
0.55
last 12 months
Correlation (5Y)
0.38
long-run
Ann. covariance
3543.8
%² · weekly, annualized

How correlated are POWI and PRAX?

On 3 years of weekly data the POWI/PRAX correlation comes out at 0.45, moderate. The past 12 months show a tighter link (0.55) than the 3-year average (0.45). The 5-year figure is 0.38, and annualized covariance runs at 3543.8 %².

By 3-year correlation, PRAX places #12 of the 17 assets tracked against POWI. Correlation aside, the last 12 months split them widely, with PRAX ahead by 663.5 points (+20.5% versus +684.0%). Risk is not evenly split, since PRAX carries 3.7 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.

POWI vs PRAX: side by side

POWI (Power Integrations, Inc.)PRAX (Praxis Precision Medicines, Inc.)
1-year return+20.5%+684.0%
5-year return-46.7%+28.6%
Volatility (ann.)46.5%170.9%
Beta vs S&P 5001.592.13
Max drawdown (3Y)-63.6%-68.6%
Market cap$3.1B$10.3B
P/E (trailing)125.7
Dividend yield1.55%0.00%
Sector / categoryUS ListedUS Listed
Higher yield: POWI 1.55% vs 0.00%Smaller drawdown: POWI -63.6% vs -68.6%Higher 5y return: PRAX +28.6% vs -46.7%
-26%0%+702%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). POWI · PRAX

Year-by-year returns

YearPOWIPRAX
2022-22.1%-87.9%
2023+15.6%-37.6%
2024-24.0%+245.4%
2025-41.3%+283.0%
2026+56.7%+24.8%

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

Are POWI and PRAX good diversifiers for each other?

A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between POWI and PRAX?

As of 2026-08-27, the correlation of weekly returns between POWI and PRAX is 0.45 over 3 years, 0.55 over 1 year and 0.38 over 5 years.

Is PRAX a good diversifier for POWI?

A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.45 mean?

A reading of 0.45 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/powi-vs-prax.json

POWI vs PRAX: 3-year weekly correlation 0.45POWI vs PRAX0.45

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Hubs: POWI correlations · PRAX correlations