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Monolithic Power Systems, Inc. (MPWR)
NASDAQ: MPWR · Real-Time Price · USD
1,426.03
+109.85 (8.35%)
At close: Jul 31, 2026, 4:00 PM EDT
1,418.00
-8.03 (-0.56%)
After-hours: Jul 31, 2026, 7:58 PM EDT

Monolithic Power Systems Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jul 31, 20261,499.001,568.211,405.961,426.031,426.038.35%1,535,361
Jul 30, 20261,290.971,339.991,290.631,316.181,316.185.40%1,693,455
Jul 29, 20261,263.271,327.311,240.021,248.761,248.76-2.59%1,154,387
Jul 28, 20261,283.771,313.741,253.701,282.011,282.01-4.26%1,000,213
Jul 27, 20261,340.001,364.851,284.821,339.081,339.080.40%845,932
Jul 24, 20261,373.811,385.741,318.721,333.811,333.81-4.53%805,204
Jul 23, 20261,359.811,409.991,359.591,397.151,397.15-0.09%689,268
Jul 22, 20261,353.931,419.921,350.491,398.451,398.451.10%540,201
Jul 21, 20261,385.821,396.001,364.621,383.261,383.264.10%984,885
Jul 20, 20261,332.961,371.161,323.751,328.801,328.801.28%741,639
Jul 17, 20261,245.791,342.811,231.001,312.001,312.000.49%1,015,121
Jul 16, 20261,318.031,332.441,284.211,305.651,305.65-3.48%841,695
Jul 15, 20261,406.041,406.041,310.121,352.661,352.66-1.73%735,037
Jul 14, 20261,367.681,401.291,345.011,376.411,376.416.58%785,419
Jul 13, 20261,307.171,317.791,277.641,291.381,291.38-4.54%801,706
Jul 10, 20261,335.761,364.031,316.211,352.741,352.74-1.56%554,186
Jul 9, 20261,399.201,407.091,360.331,374.131,374.134.46%822,591
Jul 8, 20261,264.231,329.161,260.571,315.511,315.513.35%690,120
Jul 7, 20261,274.591,299.301,232.041,272.811,272.81-5.45%1,208,412
Jul 6, 20261,325.741,371.371,305.011,346.131,346.134.50%841,333
Jul 2, 20261,332.851,382.921,258.661,288.161,288.16-3.27%1,214,675
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
Jun 10, 20261,510.761,563.371,468.501,473.041,470.80-3.85%737,333
Jun 9, 20261,597.511,627.641,405.001,531.981,529.65-1.74%985,916
Jun 8, 20261,559.671,584.361,518.341,559.181,556.805.28%870,854
Jun 5, 20261,591.251,599.991,473.951,481.051,478.79-10.38%1,369,017
Jun 4, 20261,630.041,666.691,591.641,652.601,650.08-2.21%679,218
Jun 3, 20261,647.511,697.351,617.831,689.891,687.323.99%443,731
Jun 2, 20261,572.001,627.851,558.111,624.991,622.515.36%693,297
Jun 1, 20261,536.081,569.991,508.241,542.391,540.04-1.52%593,314
May 29, 20261,645.001,657.001,556.771,566.211,563.82-4.10%1,164,331
May 28, 20261,616.931,656.781,575.001,633.171,630.680.80%501,242
May 27, 20261,707.621,707.621,592.761,620.171,617.70-2.57%859,588
May 26, 20261,650.491,714.091,622.101,662.981,660.454.60%821,504
May 22, 20261,579.621,596.751,560.001,589.811,587.391.83%476,701
May 21, 20261,535.801,562.491,516.011,561.251,558.870.51%450,118
May 20, 20261,492.371,555.551,481.071,553.271,550.905.80%753,287