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Monolithic Power Systems, Inc. (MPWR)
NASDAQ: MPWR · Real-Time Price · USD
1,316.28
+5.68 (0.43%)
At close: Aug 21, 2026, 4:00 PM EDT
1,317.62
+1.34 (0.10%)
After-hours: Aug 21, 2026, 7:56 PM EDT

Monolithic Power Systems Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Aug 21, 20261,321.131,337.701,297.301,316.281,316.280.43%529,516
Aug 20, 20261,311.341,327.001,295.021,310.601,310.600.80%437,068
Aug 19, 20261,321.121,335.191,267.771,300.141,300.14-2.48%710,871
Aug 18, 20261,365.451,376.531,303.221,333.181,333.18-5.85%1,144,286
Aug 17, 20261,418.011,448.761,411.601,415.991,415.991.00%542,867
Aug 14, 20261,360.001,404.141,355.111,402.011,402.012.90%440,360
Aug 13, 20261,421.441,438.381,358.001,362.551,362.55-4.38%506,489
Aug 12, 20261,451.181,464.991,423.101,425.011,425.011.63%623,143
Aug 11, 20261,413.781,431.631,383.631,402.111,402.111.52%413,747
Aug 10, 20261,428.221,430.001,379.171,381.101,381.10-1.46%493,700
Aug 7, 20261,385.971,417.091,370.951,401.541,401.543.12%605,861
Aug 6, 20261,313.251,415.371,305.131,359.081,359.081.01%629,598
Aug 5, 20261,320.011,358.611,308.461,345.461,345.460.78%705,010
Aug 4, 20261,402.101,425.991,333.321,335.031,335.03-0.69%1,228,391
Aug 3, 20261,417.781,421.611,305.011,344.371,344.37-5.73%1,215,536
Jul 31, 20261,499.001,568.211,405.961,426.031,426.038.35%1,545,868
Jul 30, 20261,290.971,339.991,290.631,316.181,316.185.40%1,722,563
Jul 29, 20261,263.271,327.311,240.021,248.761,248.76-2.59%1,183,857
Jul 28, 20261,283.771,313.741,253.701,282.011,282.01-4.26%1,008,074
Jul 27, 20261,340.001,364.851,284.821,339.081,339.080.40%848,886
Jul 24, 20261,373.811,385.741,318.721,333.811,333.81-4.53%805,477
Jul 23, 20261,359.811,409.991,359.591,397.151,397.15-0.09%702,965
Jul 22, 20261,353.931,419.921,350.491,398.451,398.451.10%607,536
Jul 21, 20261,385.821,396.001,364.621,383.261,383.264.10%986,535
Jul 20, 20261,332.961,371.161,323.751,328.801,328.801.28%784,931
Jul 17, 20261,245.791,342.811,231.001,312.001,312.000.49%1,054,963
Jul 16, 20261,318.031,332.441,284.211,305.651,305.65-3.48%933,528
Jul 15, 20261,406.041,406.041,310.121,352.661,352.66-1.73%754,052
Jul 14, 20261,367.681,401.291,345.011,376.411,376.416.58%786,153
Jul 13, 20261,307.171,317.791,277.641,291.381,291.38-4.54%827,268
Jul 10, 20261,335.761,364.031,316.211,352.741,352.74-1.56%577,563
Jul 9, 20261,399.201,407.091,360.331,374.131,374.134.46%886,483
Jul 8, 20261,264.231,329.161,260.571,315.511,315.513.35%703,381
Jul 7, 20261,274.591,299.301,232.041,272.811,272.81-5.45%1,210,126
Jul 6, 20261,325.741,371.371,305.011,346.131,346.134.50%857,610
Jul 2, 20261,332.851,382.921,258.661,288.161,288.16-3.27%1,214,807
Jul 1, 20261,344.891,386.601,328.671,331.731,331.73-3.66%1,515,748
Jun 30, 20261,325.911,388.531,322.401,382.361,382.365.46%1,708,917
Jun 29, 20261,328.391,342.131,276.221,312.771,310.77-0.04%1,051,066
Jun 26, 20261,357.451,373.911,301.441,313.321,311.32-8.69%3,481,725
Jun 25, 20261,495.181,510.761,373.821,438.301,436.110.23%1,004,903
Jun 24, 20261,423.021,446.961,392.501,434.951,432.760.79%865,557
Jun 23, 20261,443.041,486.921,403.361,423.761,421.59-7.42%1,636,567
Jun 22, 20261,592.691,594.811,506.371,537.881,535.54-1.65%1,109,278
Jun 18, 20261,529.241,581.041,515.621,563.701,561.327.97%1,935,562
Jun 17, 20261,545.561,548.001,435.831,448.211,446.00-3.37%1,111,854
Jun 16, 20261,650.881,656.221,496.521,498.771,496.49-9.29%1,039,737
Jun 15, 20261,652.561,666.641,605.011,652.291,649.774.75%761,343
Jun 12, 20261,592.211,598.421,558.191,577.321,574.92-0.77%567,710
Jun 11, 20261,523.441,593.771,506.821,589.551,587.137.91%897,138