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Biggest moves on record

Every trading day we hold, as a bar. The five biggest are marked.

  1. 1−10.4%5 Jun 2026High
  2. 2+10.2%8 Apr 2026Very High
  3. 3−9.3%16 Jun 2026High
  4. 4+9.1%31 Mar 2026High
  5. 5−9.0%22 Oct 2026High

Every day, by size of move

265 trading days, 2025–2026. One square is one day.

  • Max10.4%
  • Very High20.8%
  • High93.4%
  • Moderate62.3%
  • Low9736.6%
  • Very Low15056.6%

Biggest moves on record

Every week we hold, as a bar. The five biggest are marked.

  1. 1−24.7%Week of11 Nov 2024Very High
  2. 2+21.4%Week of30 Oct 2023Max
  3. 3+21.0%Week of6 Apr 2026Very High
  4. 4+20.6%Week of22 May 2023Max
  5. 5+18.7%Week of14 Mar 2022Very High

Every week, by size of move

302 weeks, 2021–2026. One square is one week.

  • Max20.7%
  • Very High41.3%
  • High31.0%
  • Moderate113.6%
  • Low9431.1%
  • Very Low18862.3%

Biggest moves on record

Every month we hold, as a bar. The five biggest are marked.

  1. 1+51.1%Oct 2005Max
  2. 2+47.7%Apr 2026Low
  3. 3−43.7%Nov 2008Moderate
  4. 4+31.8%Dec 2008Low
  5. 5+29.9%Apr 2008Low

Every month, by size of move

252 months, 2005–2026. One square is one month.

  • Max20.8%
  • Very High00.0%
  • High41.6%
  • Moderate31.2%
  • Low5622.2%
  • Very Low18774.2%

Monthly performance

Over the past 22 years, MPWR rose most often in November (15 of 21) and fell most often in January (12 of 22).

How it reacted to its last results

ReportedResultOn the day
29 Oct 2026 Beat$8.19 vs $7.75 expected +1.1%
30 Jul 2026 Beat$6.50 vs $5.88 expected +8.3%
30 Apr 2026 Beat$5.10 vs $4.90 expected −1.9%
5 Feb 2026 Beat$4.79 vs $4.74 expected +6.4%

Beat or missed means profit per share came in above or below what experts expected. The price move is for the first trading day the results could move.

Compared with its neighbours

On a normal day, MPWR moves about 2.0% up or down. That is livelier than 8 in 10 shares we follow.

Industry · Technology

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Theme · Chips

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In the news

Recent headlines about Monolithic Power Systems, from the outlets that wrote them.

  1. 01Yahoo Finance7 hours agoRevenue Outlook Raised Could Be A Game Changer For Monolithic Power Systems Stock
  2. 02MarketBeat7 hours ago2,064 Monolithic Power Systems, Inc. $MPWR Shares Purchased by Greenup Street Wealth Management LLC
  3. 03MarketBeat8 hours ago1,293 Shares of Monolithic Power Systems, Inc. $MPWR Bought by Soltis Investment Advisors LLC
  4. 04Simply Wall St15 hours agoMonolithic Power Systems (MPWR) Q3 Earnings Challenge Its Premium Valuation
  5. 05Yahoo Finance18 hours agoWhy Monolithic Power Systems (MPWR) Is Getting Attention Today
  6. 06Yahoo Finance19 hours agoMonolithic Power Systems (MPWR) Stock Price Nears Record High After Q3 Earnings