Monolithic Power Systems, Inc. (MPWR)
NASDAQ: MPWR · Real-Time Price · USD
1,440.95
+79.98 (5.88%)
Oct 2, 2026, 11:19 AM EDT - Market open
Monolithic Power Systems Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | 1,406.00 | 1,446.22 | 1,393.13 | 1,445.82 | - | 6.23% | 213,258 |
| Oct 1, 2026 | 1,359.98 | 1,368.67 | 1,331.00 | 1,360.97 | 1,360.97 | 1.02% | 492,299 |
| Sep 30, 2026 | 1,353.77 | 1,361.44 | 1,324.96 | 1,347.22 | 1,347.22 | -0.50% | 465,261 |
| Sep 29, 2026 | 1,372.05 | 1,374.32 | 1,347.85 | 1,355.99 | 1,353.99 | 0.35% | 450,392 |
| Sep 28, 2026 | 1,353.13 | 1,359.76 | 1,320.80 | 1,351.20 | 1,349.21 | -1.19% | 660,021 |
| Sep 25, 2026 | 1,332.63 | 1,377.14 | 1,329.47 | 1,367.43 | 1,365.41 | 2.39% | 536,878 |
| Sep 24, 2026 | 1,317.09 | 1,349.64 | 1,313.09 | 1,335.55 | 1,333.58 | -1.47% | 492,628 |
| Sep 23, 2026 | 1,367.08 | 1,371.66 | 1,302.10 | 1,355.47 | 1,353.47 | -1.82% | 767,407 |
| Sep 22, 2026 | 1,278.08 | 1,387.46 | 1,271.03 | 1,380.62 | 1,378.58 | 8.06% | 1,535,211 |
| Sep 21, 2026 | 1,243.25 | 1,283.83 | 1,217.24 | 1,277.68 | 1,275.80 | 4.92% | 1,030,120 |
| Sep 18, 2026 | 1,185.52 | 1,221.51 | 1,176.21 | 1,217.80 | 1,216.00 | 4.12% | 1,427,382 |
| Sep 17, 2026 | 1,183.15 | 1,184.15 | 1,146.40 | 1,169.58 | 1,167.85 | 1.91% | 950,234 |
| Sep 16, 2026 | 1,157.42 | 1,176.05 | 1,133.83 | 1,147.61 | 1,145.92 | 0.45% | 625,211 |
| Sep 15, 2026 | 1,164.97 | 1,171.18 | 1,136.65 | 1,142.46 | 1,140.77 | -0.07% | 557,090 |
| Sep 14, 2026 | 1,184.43 | 1,185.89 | 1,141.38 | 1,143.24 | 1,141.55 | -7.39% | 984,700 |
| Sep 11, 2026 | 1,200.80 | 1,241.04 | 1,194.47 | 1,234.46 | 1,232.64 | 4.08% | 555,184 |
| Sep 10, 2026 | 1,184.85 | 1,205.20 | 1,175.95 | 1,186.08 | 1,184.33 | -1.47% | 625,369 |
| Sep 9, 2026 | 1,206.70 | 1,228.82 | 1,198.17 | 1,203.75 | 1,201.97 | -1.21% | 508,493 |
| Sep 8, 2026 | 1,230.64 | 1,243.09 | 1,211.22 | 1,218.50 | 1,216.70 | -0.44% | 763,467 |
| Sep 4, 2026 | 1,239.13 | 1,239.13 | 1,206.55 | 1,223.86 | 1,222.05 | 0.84% | 625,898 |
| Sep 3, 2026 | 1,200.70 | 1,225.00 | 1,189.49 | 1,213.65 | 1,211.86 | -0.47% | 413,703 |
| Sep 2, 2026 | 1,224.92 | 1,245.23 | 1,211.74 | 1,219.36 | 1,217.56 | -0.54% | 405,205 |
| Sep 1, 2026 | 1,245.11 | 1,250.00 | 1,211.86 | 1,225.96 | 1,224.15 | -3.30% | 758,060 |
| Aug 31, 2026 | 1,261.90 | 1,279.00 | 1,253.00 | 1,267.77 | 1,265.90 | 0.92% | 689,203 |
| Aug 28, 2026 | 1,306.03 | 1,306.03 | 1,254.01 | 1,256.26 | 1,254.41 | -4.18% | 709,349 |
| Aug 27, 2026 | 1,319.75 | 1,332.00 | 1,290.86 | 1,311.08 | 1,309.15 | 0.55% | 459,325 |
| Aug 26, 2026 | 1,301.04 | 1,311.02 | 1,284.56 | 1,303.88 | 1,301.96 | -0.02% | 255,715 |
| Aug 25, 2026 | 1,310.06 | 1,322.99 | 1,291.54 | 1,304.15 | 1,302.23 | 1.49% | 359,622 |
| Aug 24, 2026 | 1,298.38 | 1,305.64 | 1,255.56 | 1,285.03 | 1,283.13 | -2.37% | 897,888 |
| Aug 21, 2026 | 1,321.13 | 1,337.70 | 1,297.30 | 1,316.28 | 1,314.34 | 0.43% | 529,769 |
| Aug 20, 2026 | 1,311.34 | 1,327.00 | 1,295.02 | 1,310.60 | 1,308.67 | 0.80% | 437,133 |
| Aug 19, 2026 | 1,321.12 | 1,335.19 | 1,267.77 | 1,300.14 | 1,298.22 | -2.48% | 710,871 |
| Aug 18, 2026 | 1,365.45 | 1,376.53 | 1,303.22 | 1,333.18 | 1,331.21 | -5.85% | 1,144,286 |
| Aug 17, 2026 | 1,418.01 | 1,448.76 | 1,411.60 | 1,415.99 | 1,413.90 | 1.00% | 542,867 |
| Aug 14, 2026 | 1,360.00 | 1,404.14 | 1,355.11 | 1,402.01 | 1,399.94 | 2.90% | 440,360 |
| Aug 13, 2026 | 1,421.44 | 1,438.38 | 1,358.00 | 1,362.55 | 1,360.54 | -4.38% | 506,489 |
| Aug 12, 2026 | 1,451.18 | 1,464.99 | 1,423.10 | 1,425.01 | 1,422.91 | 1.63% | 623,143 |
| Aug 11, 2026 | 1,413.78 | 1,431.63 | 1,383.63 | 1,402.11 | 1,400.04 | 1.52% | 413,747 |
| Aug 10, 2026 | 1,428.22 | 1,430.00 | 1,379.17 | 1,381.10 | 1,379.06 | -1.46% | 493,700 |
| Aug 7, 2026 | 1,385.97 | 1,417.09 | 1,370.95 | 1,401.54 | 1,399.47 | 3.12% | 605,861 |
| Aug 6, 2026 | 1,313.25 | 1,415.37 | 1,305.13 | 1,359.08 | 1,357.08 | 1.01% | 629,598 |
| Aug 5, 2026 | 1,320.01 | 1,358.61 | 1,308.46 | 1,345.46 | 1,343.47 | 0.78% | 705,010 |
| Aug 4, 2026 | 1,402.10 | 1,425.99 | 1,333.32 | 1,335.03 | 1,333.06 | -0.69% | 1,228,391 |
| Aug 3, 2026 | 1,417.78 | 1,421.61 | 1,305.01 | 1,344.37 | 1,342.39 | -5.73% | 1,215,536 |
| Jul 31, 2026 | 1,499.00 | 1,568.21 | 1,405.96 | 1,426.03 | 1,423.93 | 8.35% | 1,545,868 |
| Jul 30, 2026 | 1,290.97 | 1,339.99 | 1,290.63 | 1,316.18 | 1,314.24 | 5.40% | 1,722,563 |
| Jul 29, 2026 | 1,263.27 | 1,327.31 | 1,240.02 | 1,248.76 | 1,246.92 | -2.59% | 1,183,857 |
| Jul 28, 2026 | 1,283.77 | 1,313.74 | 1,253.70 | 1,282.01 | 1,280.12 | -4.26% | 1,008,074 |
| Jul 27, 2026 | 1,340.00 | 1,364.85 | 1,284.82 | 1,339.08 | 1,337.10 | 0.40% | 848,886 |
| Jul 24, 2026 | 1,373.81 | 1,385.74 | 1,318.72 | 1,333.81 | 1,331.84 | -4.53% | 805,477 |