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Monolithic Power Systems, Inc. (MPWR)
NASDAQ: MPWR · Real-Time Price · USD
1,537.88
-25.82 (-1.65%)
At close: Jun 22, 2026, 4:00 PM EDT
1,512.00
-25.88 (-1.68%)
After-hours: Jun 22, 2026, 7:59 PM EDT

Monolithic Power Systems Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 22, 20261,592.691,594.811,506.371,537.881,537.88-1.65%1,075,544
Jun 18, 20261,529.241,581.041,515.621,563.701,563.707.97%1,909,888
Jun 17, 20261,545.561,548.001,435.831,448.211,448.21-3.37%1,110,191
Jun 16, 20261,650.881,656.221,496.521,498.771,498.77-9.29%1,039,479
Jun 15, 20261,652.561,666.641,605.011,652.291,652.294.75%761,343
Jun 12, 20261,592.211,598.421,558.191,577.321,577.32-0.77%567,710
Jun 11, 20261,523.441,593.771,506.821,589.551,589.557.91%897,138
Jun 10, 20261,510.761,563.371,468.501,473.041,473.04-3.85%737,333
Jun 9, 20261,597.511,627.641,405.001,531.981,531.98-1.74%985,916
Jun 8, 20261,559.671,584.361,518.341,559.181,559.185.28%870,854
Jun 5, 20261,591.251,599.991,473.951,481.051,481.05-10.38%1,369,017
Jun 4, 20261,630.041,666.691,591.641,652.601,652.60-2.21%679,218
Jun 3, 20261,647.511,697.351,617.831,689.891,689.893.99%443,731
Jun 2, 20261,572.001,627.851,558.111,624.991,624.995.36%693,297
Jun 1, 20261,536.081,569.991,508.241,542.391,542.39-1.52%593,314
May 29, 20261,645.001,657.001,556.771,566.211,566.21-4.10%1,164,331
May 28, 20261,616.931,656.781,575.001,633.171,633.170.80%501,242
May 27, 20261,707.621,707.621,592.761,620.171,620.17-2.57%859,588
May 26, 20261,650.491,714.091,622.101,662.981,662.984.60%821,504
May 22, 20261,579.621,596.751,560.001,589.811,589.811.83%476,701
May 21, 20261,535.801,562.491,516.011,561.251,561.250.51%450,118
May 20, 20261,492.371,555.551,481.071,553.271,553.275.80%753,287
May 19, 20261,434.911,493.141,412.891,468.111,468.11-1.23%639,546
May 18, 20261,563.281,579.991,458.441,486.331,486.33-4.11%807,341
May 15, 20261,562.551,587.741,548.611,550.021,550.02-3.96%685,355
May 14, 20261,639.851,644.901,601.001,613.971,613.97-2.20%373,762
May 13, 20261,631.201,675.421,614.001,650.351,650.353.18%626,885
May 12, 20261,619.541,622.011,538.251,599.521,599.52-3.71%732,170
May 11, 20261,594.491,663.991,585.001,661.101,661.103.76%526,695
May 8, 20261,608.641,617.051,581.941,600.841,600.841.58%686,738
May 7, 20261,636.331,636.331,559.001,575.961,575.96-4.62%600,299
May 6, 20261,581.001,662.001,556.311,652.351,652.354.04%854,484
May 5, 20261,588.941,607.871,557.051,588.121,588.120.94%682,235
May 4, 20261,590.471,603.701,552.841,573.301,573.30-0.64%515,490
May 1, 20261,564.561,589.711,521.001,583.481,583.48-1.92%898,818
Apr 30, 20261,550.001,621.911,541.611,614.411,614.415.74%1,077,634
Apr 29, 20261,550.961,554.411,507.341,526.841,526.841.51%690,195
Apr 28, 20261,527.321,537.741,488.031,504.081,504.08-5.26%637,836
Apr 27, 20261,610.431,621.031,550.921,587.571,587.57-2.73%608,468
Apr 24, 20261,626.331,661.791,595.901,632.061,632.062.51%692,518
Apr 23, 20261,550.401,597.761,533.001,592.171,592.174.61%638,737
Apr 22, 20261,545.061,560.091,519.211,522.041,522.04-0.39%538,899
Apr 21, 20261,502.261,548.171,499.601,527.951,527.952.49%552,259
Apr 20, 20261,471.451,492.751,453.671,490.861,490.861.53%384,575
Apr 17, 20261,437.621,479.231,420.341,468.351,468.354.67%635,695
Apr 16, 20261,365.621,405.141,353.551,402.811,402.813.68%467,940
Apr 15, 20261,345.721,362.251,329.461,353.001,353.00-0.76%466,188
Apr 14, 20261,372.491,378.551,349.011,363.421,363.42-0.64%557,493
Apr 13, 20261,336.411,377.251,332.041,372.231,372.231.36%393,861
Apr 10, 20261,339.011,370.001,339.011,353.851,353.851.47%522,418