Monolithic Power Systems, Inc. (MPWR)

NASDAQ

$1,219.60

$+50.31

(+4.30%)

Previous Close: ⁦$1,169.58⁩

Market Closed

Monolithic Power Systems, Inc. (MPWR) Live Price Chart

Last updated: ⁦2026-09-19 05:39:20⁩. Prices reflect the latest closing data and will resume updating on the next trading day. Stock price data is sourced from Massive.

Summary

Monolithic Power Systems, Inc. (MPWR) operates in the SEMICONDUCTORS & RELATED DEVICES sector and is listed on NASDAQ. The stock is currently priced at $1,219.60, with a market capitalization of $56.40B and a P/E ratio of 71.44. Over the past 52 weeks, its price has ranged from $833.18 to $1,714.09. This page covers its latest market performance, valuation, price trends and company information.

Key Market Data

Market Cap	$56.40B
Open	$1,185.52
Day's High	$1,714.09
Day's Low	$5.85
Previous Close	$1,169.58
Volume	624.38K
Average Volume	883.85K
P/E Ratio	71.44
52-Week High	$1,714.09
52-Week Low	$833.18
Dividend Yield	0.57%
Earnings Date	--

Monolithic Power Systems, Inc. (MPWR) Latest Closing Stock Price

Monolithic Power Systems, Inc. (MPWR) last closed at $1,169.58 as of 2026-09-18 23:59:00, unchanged from the previous close of $1,169.58.

During the latest regular trading session, MPWR traded between $5.85 and $1,714.09, with a volume of 624.38K shares. The closing price was near the upper end and near the middle of its 52-week range.

Monolithic Power Systems, Inc. (MPWR) 7-Day Stock Price Change

Over the past seven days, Monolithic Power Systems, Inc. (MPWR) moved from $1,203.75 to $1,219.60, representing a gain of 1.32% ($15.85).

The stock traded between $1,133.83 and $1,241.04 during the period. The latest price is near the upper end of the 7-day range, indicating moderate upward.

The average daily volume was 686.61 thousand shares, up versus the previous seven-day period, indicating higher trading activity.

MPWR 52-Week Price Position

Position in Range: 43.9%

52W Low$833.18

52W High$1,714.09

MPWR is currently trading at $1,219.60, placing it 43.9% of the way from its 52-week low of $833.18 to its 52-week high of $1,714.09. This percentage reflects the stock's relative position within its 52-week trading range, not its valuation or future performance.

What is Monolithic Power Systems, Inc. (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, Inc. Information

Industry	SEMICONDUCTORS & RELATED DEVICES
Employees	4501
Exchange	NASDAQ
Company Website	https://www.monolithicpower.com

How to Buy Monolithic Power Systems, Inc. (MPWR) Stock on MEXC

Eligible investors can buy real shares of Monolithic Power Systems, Inc. (MPWR) through MEXC RealStocks. Follow these three steps to open a RealStocks account, transfer USDT, and place a US stock order.

Step 1: Open and Verify Your RealStocks Account

Log in to the MEXC App, go to Trade → RealStocks, and select Open Account. Complete the required account-opening and identity verification process with MEXC's partner licensed broker.

Step 2: Transfer USDT to Your RealStocks Account

Go to Wallets → RealStocks and transfer USDT from your Spot Account to your RealStocks Account. RealStocks are quoted in USD, while account funding can be completed using USDT.

Step 3: Search for MPWR and Place Your Order

Open the RealStocks trading page and search for MPWR. Select a market or limit order, enter the price and quantity as required, review the order details, and submit your order. Once filled, the corresponding real shares will be held in your RealStocks Account.

Frequently Asked Questions (FAQ)

1.What is Monolithic Power Systems, Inc. (MPWR) stock price today?

Monolithic Power Systems, Inc. (MPWR) is currently trading at $ 1,219.60, up 4.28% ($50.02) from the previous close of $ 1,169.58. Intraday prices update in real time during regular trading hours.

2.Is MPWR stock going up or down today?

As of 2026-09-18 23:59:00, MPWR is trading at $ 1,219.60, up 4.28% ($50.02) from its previous close of $ 1,169.58. The stock has traded between $ 5.85 and $ 1,714.09 during today’s regular session. Past price movements do not guarantee future results.

3.What is MPWR pre-market price?

As of 2026-09-18 23:59:00, MPWR is trading at $ 1,178.43 in pre-market trading, up 0.76% ($8.85) from the previous close of $ 1,169.58. Pre-market prices reflect trading activity before the regular session opens and may experience lower liquidity and higher volatility.

4.What is MPWR after-hours price?

As of 2026-09-18 23:59:00, MPWR is trading at $ 1,215.81 in after-hours trading, up 3.95% ($46.23) from the regular-session close of $ 1,169.58. After-hours prices may differ from the regular session’s opening price due to lower liquidity and wider bid-ask spreads.

5.Is MPWR stock trading now?

MPWR trades on the NASDAQ exchange during regular hours, Monday through Friday, 9:30 AM to 4:00 PM ET, excluding public holidays. Pre-market and after-hours trading are also available through select brokers outside these hours.

6.Where does MPWR sit relative to its 52-week high and low?

Over the past 52 weeks, MPWR has traded between a low of $ 833.18 and a high of $ 1,714.09. At $ 1,219.60, the stock is positioned 43.9% of the way from its 52-week low to its 52-week high, providing context for its current price within the one-year trading range.

7.What sector is Monolithic Power Systems, Inc. in?

Monolithic Power Systems, Inc. (MPWR) operates in the SEMICONDUCTORS & RELATED DEVICES sector. Sector classification helps investors compare it with companies exposed to similar market trends and competitive conditions.

8.What is Monolithic Power Systems, Inc.'s market capitalization and where is it listed?

Monolithic Power Systems, Inc. is listed on the NASDAQ exchange with a market capitalization of $ 56.40B. Market cap reflects the total market value of all outstanding shares and is commonly used to classify stocks by size.

9.How is MPWR valued in terms of P/E ratio and EPS?

MPWR trades at a P/E ratio of 71.44, based on trailing-twelve-month EPS of $ 16.37. P/E ratio compares the stock price to earnings per share and is a common starting point for assessing valuation relative to peers.

10.Does Monolithic Power Systems, Inc. pay a dividend?

Monolithic Power Systems, Inc. pays an indicated annual cash dividend of $ 6.95 per share, with a current dividend yield of 0.57% based on the latest share price. Dividend policies are subject to change at the board's discretion.