Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Monolithic Power Systems, Inc. before investing.

In this article, we go over a few key elements for understanding Monolithic Power Systems, Inc.’s stock price such as:

• Monolithic Power Systems, Inc.’s current stock price and volume
• Why Monolithic Power Systems, Inc.’s stock price changed recently
• Upgrades and downgrades for MPWR from analysts
• MPWR’s stock price momentum as measured by its relative strength

About Monolithic Power Systems, Inc. (MPWR)

Before we jump into Monolithic Power Systems, Inc.’s stock price, history, target price and what caused it to recently dip, let’s take a look at some background.

Monolithic Power Systems, Inc. provides semiconductor-based power electronics solutions in China, Taiwan, South Korea, Southeast Asia, Europe, the United States, Japan, and internationally. The company offers direct current (DC) to DC solutions to convert and control voltages within a range of electronic systems, such as cloud-based and on-premises CPU servers and workstations, AI systems, memory, storage solutions, notebooks, infotainment, power sources, home appliances, network infrastructure, and satellite communications. It also provides alternating current (AC) to DC; driver metal-oxide-semiconductor field-effect transistors; power management integrated circuits (ICs); and current limit switch and lighting control products. The company serves storage and computing, enterprise data, automotive, communications, consumer, and industrial end markets through third-party distributors and value-added resellers. Monolithic Power Systems, Inc. was incorporated in 1997 and is based in West Palm Beach, Florida.

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Monolithic Power Systems, Inc.’s Stock Price as of Market Close

As of June 17, 2026, 4:00 PM, CST, Monolithic Power Systems, Inc.’s stock price was $1,448.210.

Monolithic Power Systems, Inc. is down 3.37% from its previous closing price of $1,498.770.

During the last market session, Monolithic Power Systems, Inc.’s stock traded between $1,435.830 and $1,548.000. Currently, there are approximately 49.10 million shares outstanding for Monolithic Power Systems, Inc..

Monolithic Power Systems, Inc.’s price-earnings (P/E) ratio is currently at 103.6, which is high compared to the Semiconductors & Semiconductor Equipment industry median of 72.1. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

Monolithic Power Systems, Inc. Stock Price History

Monolithic Power Systems, Inc.’s (MPWR) price is currently down 7.53% so far this month.

During the month of June, Monolithic Power Systems, Inc.’s stock price has reached a high of $1,697.350 and a low of $1,405.000.

Over the last year, Monolithic Power Systems, Inc. has hit prices as high as $1,714.090 and as low as $671.180. Year to date, Monolithic Power Systems, Inc.’s stock is up 59.78%.

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What Caused Monolithic Power Systems, Inc. Stock’s Price to Dip?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of June 17, 2026, there was 1 analyst who downgraded Monolithic Power Systems, Inc.’s stock and 0 analysts who upgraded over the last month.

Additionally, you'll want to evaluate Monolithic Power Systems, Inc.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on Monolithic Power Systems, Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

Monolithic Power Systems, Inc.’s current valuation based on AAII’s Value Grade is a F, which means it is considered to be Ultra Expensive.

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Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about Monolithic Power Systems, Inc. (MPWR) by visiting AAII Stock Evaluator.

Relative Price Strength of Monolithic Power Systems, Inc.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of June 17, 2026, Monolithic Power Systems, Inc. has a weighted four-quarter relative price strength of 14.91%, which translates to a Momentum Score of 86 and is considered to be Very Strong.

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Monolithic Power Systems, Inc. Stock Price: Bottom Line

As of June 17, 2026, Monolithic Power Systems, Inc.’s stock price is $1,448.210, which is down 3.37% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like Monolithic Power Systems, Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

Subscribing to AAII's A+ Investor provides access to comprehensive analytics and insights for confident investing.