MPWR Stock Summary and Trading Ideas (Monolithic Power Systems | NASDAQ:MPWR)

Monolithic Power Systems is a power chipmaker specializing in voltage regulators. Its mission is to reduce total energy consumption in end systems to improve performance and save customers cost. It serves the data center, automotive, industrial, communications, and consumer end markets. MPS uses a fabless manufacturing model, partnering with third-party chip foundries to host its proprietary BCD process technology.

Monolithic Power Systems trades on the NASDAQ stock market under the symbol MPWR.

As of October 21, 2026, MPWR stock price climbed to $1,283.32 with 582,658 million shares trading.

MPWR has a beta of 2.29, meaning it tends to be more sensitive to market movements. MPWR has a correlation of 0.35 to the broad based SPY ETF.

MPWR has a market cap of $62.60 billion. This is considered a Large Cap stock.

Last quarter Monolithic Power Systems reported $981 million in Revenue and $6.50 earnings per share. This beat revenue expectation by $79 million and exceeded earnings estimates by $.85.

In the last 3 years, MPWR traded as high as $1,714.09 and as low as $392.10.

The top ETF exchange traded funds that MPWR belongs to (by Net Assets): VTI, VOO, SOXX, VO, QQQ.

MPWR has outperformed the market in the last year with a return of +25.1%, while the SPY ETF gained +16.3%. However, in the most recent history, MPWR shares have underperformed the stock market with its stock returning -3.3% in the last 3 month period and -12.9% for the last 2 week period, while SPY has returned +4.4% and -0.8%, respectively.

MPWR support price is $1,211.33 and resistance is $1,286.15 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that MPWR shares will trade within this expected range on the day.