Monolithic Power Systems (MPWR) closed at $1,198.81 on Oct 29, 2026, down 1.0% on the day. The stock is down 11.0% over the past month, down 15.9% over three months, up 32.7% year to date and up 10.9% over the past year. It trades 30.0% below its 52-week high of $1,711.48 and 44.6% above its 52-week low of $828.85. The close sits below its 50-day moving average ($1,275.75) and below its 200-day moving average ($1,313.14).
Over its last 8 reports the stock moved an average of 8.4% on the first trading day after earnings, beating the options-implied move in 2 of 8.
Form 4 filings over the last 90 days show no open-market purchases and 14 open-market sales by insiders.
Over the last 8 reports, MPWR moved an average of 8.4% on the first trading day after earnings. The move beat the options-implied move in 2 of 8 reports.
No — the Oct 29, 2026 close of $1,198.81 is 8.7% below the 200-day average of $1,313.14.
MPWR closed 30.0% below its 52-week high of $1,711.48.
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.
