Monolithic Power Systems, Inc. (MPWR)
NASDAQ: MPWR · Real-Time Price · USD
1,105.05
+30.14 (2.80%)
At close: Oct 27, 2025, 4:00 PM EDT
1,107.00
+1.95 (0.18%)
After-hours: Oct 27, 2025, 7:06 PM EDT
Monolithic Power Systems Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 27, 2025 | 1,097.28 | 1,112.06 | 1,093.70 | 1,105.05 | 1,105.05 | 2.80% | 554,679 |
| Oct 24, 2025 | 1,086.10 | 1,091.91 | 1,073.53 | 1,074.91 | 1,074.91 | 0.38% | 378,719 |
| Oct 23, 2025 | 1,045.00 | 1,076.00 | 1,038.60 | 1,070.80 | 1,070.80 | 6.93% | 727,570 |
| Oct 22, 2025 | 1,013.55 | 1,022.76 | 980.78 | 1,001.40 | 1,001.40 | -2.65% | 713,158 |
| Oct 21, 2025 | 1,027.32 | 1,035.70 | 1,012.35 | 1,028.67 | 1,028.67 | -0.28% | 255,137 |
| Oct 20, 2025 | 1,018.58 | 1,037.89 | 1,018.58 | 1,031.59 | 1,031.59 | 2.68% | 442,631 |
| Oct 17, 2025 | 1,002.90 | 1,024.34 | 994.86 | 1,004.65 | 1,004.65 | -2.16% | 502,945 |
| Oct 16, 2025 | 1,011.52 | 1,041.50 | 1,007.93 | 1,026.83 | 1,026.83 | 1.88% | 517,834 |
| Oct 15, 2025 | 1,000.00 | 1,016.96 | 987.31 | 1,007.93 | 1,007.93 | 4.10% | 632,176 |
| Oct 14, 2025 | 967.54 | 994.83 | 960.00 | 968.25 | 968.25 | -1.37% | 754,100 |
| Oct 13, 2025 | 967.60 | 990.67 | 953.66 | 981.67 | 981.67 | 8.54% | 774,368 |
| Oct 10, 2025 | 985.45 | 990.25 | 901.39 | 904.44 | 904.44 | -7.64% | 872,625 |
| Oct 9, 2025 | 973.83 | 980.10 | 961.94 | 979.25 | 979.25 | -0.17% | 361,405 |
| Oct 8, 2025 | 947.19 | 983.48 | 945.99 | 980.90 | 980.90 | 3.75% | 570,450 |
| Oct 7, 2025 | 969.70 | 972.74 | 940.88 | 945.49 | 945.49 | -2.34% | 423,286 |
| Oct 6, 2025 | 932.58 | 986.63 | 930.61 | 968.10 | 968.10 | 5.36% | 652,354 |
| Oct 3, 2025 | 940.44 | 954.81 | 916.80 | 918.83 | 918.83 | -1.26% | 420,468 |
| Oct 2, 2025 | 927.25 | 940.11 | 925.05 | 930.51 | 930.51 | 1.60% | 389,536 |
| Oct 1, 2025 | 907.37 | 923.34 | 894.89 | 915.87 | 915.87 | -0.52% | 444,382 |
| Sep 30, 2025 | 898.16 | 929.50 | 894.38 | 920.64 | 920.64 | 3.84% | 505,776 |
| Sep 29, 2025 | 908.52 | 915.65 | 885.92 | 886.59 | 885.09 | -0.11% | 333,465 |
| Sep 26, 2025 | 888.55 | 892.54 | 877.00 | 887.55 | 886.05 | -0.43% | 304,299 |
| Sep 25, 2025 | 897.65 | 898.19 | 872.29 | 891.39 | 889.88 | -1.88% | 336,512 |
| Sep 24, 2025 | 920.33 | 920.33 | 899.90 | 908.45 | 906.91 | -0.64% | 349,436 |
| Sep 23, 2025 | 917.64 | 932.25 | 907.02 | 914.27 | 912.72 | -0.93% | 425,496 |
| Sep 22, 2025 | 920.40 | 938.04 | 917.79 | 922.81 | 921.25 | 0.70% | 416,584 |
| Sep 19, 2025 | 923.37 | 923.37 | 893.07 | 916.36 | 914.81 | -0.15% | 1,232,124 |
| Sep 18, 2025 | 895.35 | 924.40 | 890.09 | 917.78 | 916.23 | 4.57% | 853,397 |
| Sep 17, 2025 | 856.42 | 884.46 | 850.00 | 877.66 | 876.18 | 2.41% | 408,444 |
| Sep 16, 2025 | 847.57 | 860.20 | 844.63 | 857.02 | 855.57 | 0.86% | 401,264 |
| Sep 15, 2025 | 838.00 | 852.54 | 831.00 | 849.71 | 848.27 | 1.87% | 393,389 |
| Sep 12, 2025 | 844.96 | 844.96 | 830.00 | 834.14 | 832.73 | -0.74% | 329,693 |
| Sep 11, 2025 | 855.16 | 860.60 | 830.37 | 840.38 | 838.96 | -1.73% | 576,065 |
| Sep 10, 2025 | 868.88 | 869.70 | 846.00 | 855.18 | 853.73 | -0.31% | 751,897 |
| Sep 9, 2025 | 865.71 | 869.32 | 848.13 | 857.87 | 856.42 | -0.75% | 282,346 |
| Sep 8, 2025 | 869.31 | 879.50 | 850.66 | 864.32 | 862.86 | -0.18% | 495,424 |
| Sep 5, 2025 | 853.65 | 867.22 | 846.34 | 865.86 | 864.40 | 2.09% | 491,525 |
| Sep 4, 2025 | 827.56 | 850.14 | 817.57 | 848.11 | 846.68 | 2.48% | 424,657 |
| Sep 3, 2025 | 830.26 | 830.26 | 809.54 | 827.56 | 826.16 | 0.47% | 422,132 |
| Sep 2, 2025 | 811.11 | 824.97 | 800.97 | 823.65 | 822.26 | -1.45% | 517,496 |
| Aug 29, 2025 | 849.41 | 853.49 | 825.16 | 835.76 | 834.35 | -2.64% | 568,929 |
| Aug 28, 2025 | 866.98 | 875.05 | 857.40 | 858.46 | 857.01 | -0.91% | 468,149 |
| Aug 27, 2025 | 847.90 | 870.00 | 843.53 | 866.32 | 864.86 | 1.84% | 326,701 |
| Aug 26, 2025 | 839.86 | 857.99 | 839.86 | 850.64 | 849.20 | 1.53% | 404,065 |
| Aug 25, 2025 | 841.41 | 850.44 | 832.20 | 837.86 | 836.44 | -0.73% | 348,017 |
| Aug 22, 2025 | 822.24 | 859.79 | 820.64 | 844.00 | 842.57 | 2.83% | 548,835 |
| Aug 21, 2025 | 814.22 | 831.31 | 812.00 | 820.74 | 819.35 | -0.67% | 413,072 |
| Aug 20, 2025 | 840.83 | 847.57 | 805.94 | 826.27 | 824.87 | -2.19% | 673,298 |
| Aug 19, 2025 | 854.40 | 868.00 | 839.96 | 844.80 | 843.37 | -0.65% | 558,061 |
| Aug 18, 2025 | 823.59 | 853.24 | 823.01 | 850.31 | 848.87 | 2.88% | 563,880 |