PairBook
HomeLRCX › LRCX vs MPWR

LRCX vs MPWR: Correlation

Measured on weekly returns over the past three years, Lam Research (LRCX) and Monolithic Power Systems (MPWR) carry a correlation of 0.63, a strong link.

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

Correlation (3Y)
0.63
strong
Correlation (1Y)
0.51
last 12 months
Correlation (5Y)
0.67
long-run
Ann. covariance
1405.5
%² · weekly, annualized

How correlated are LRCX and MPWR?

Over the past 3 years, LRCX and MPWR moved with a correlation of 0.63, which is strong. The past 12 months show a weaker link (0.51) than the 3-year average (0.63). Over 5 years the correlation is 0.67, and the annualized covariance of weekly returns is 1405.5 %².

Among the 36 assets we track against LRCX, MPWR ranks #19 by 3-year correlation. The last year tells two different stories: LRCX led by 156.6 percentage points, +209.0% for LRCX against +52.4% for MPWR. The link looks structural: the rolling one-year correlation barely moved, holding between 0.50 and 0.74.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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.

LRCX vs MPWR: side by side

LRCX (Lam Research)MPWR (Monolithic Power Systems)
1-year return+209.0%+52.4%
5-year return+452.0%+170.3%
Volatility (ann.)46.7%48.1%
Beta vs S&P 5002.032.22
Max drawdown (3Y)-47.1%-51.6%
Market cap$398.6B$64.4B
P/E (trailing)54.479.4
Dividend yield0.33%0.55%
Sector / categoryInformation TechnologyInformation Technology
Lower P/E: LRCX 54.4 vs 79.4Higher yield: MPWR 0.55% vs 0.33%Smaller drawdown: LRCX -47.1% vs -51.6%Higher 5y return: LRCX +452.0% vs +170.3%
-4%0%+280%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. LRCX · MPWR

Year-by-year returns

YearLRCXMPWR
2022-40.7%-27.8%
2023+88.6%+79.8%
2024-6.8%-5.6%
2025+139.2%+54.5%
2026+86.5%+45.2%

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

Are LRCX and MPWR good diversifiers for each other?

To a limited degree. At 0.63 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between LRCX and MPWR?

The LRCX/MPWR correlation stands at 0.63 on a 3-year window (1 year: 0.51, 5 years: 0.67), computed from weekly returns as of 2026-08-27.

Is MPWR a good diversifier for LRCX?

To a limited degree. At 0.63 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.63 mean?

On the −1 to +1 scale, 0.63 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/lrcx-vs-mpwr.json

LRCX vs MPWR: 3-year weekly correlation 0.63LRCX vs MPWR0.63

Markdown for the live badge, attribution link included:

[![LRCX vs MPWR correlation](https://www.pairbook.io/api/v1/badge/lrcx-vs-mpwr.svg)](https://www.pairbook.io/pair/lrcx-vs-mpwr/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: LRCX correlations · MPWR correlations