Monolithic Power Systems Inc (MPWR) — Price History

As of 2026-08-07 — refreshed nightly from the Closelook data lake. Diary readings, not advice.

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Daily prices

DateOpenHighLowCloseChg %Volume
2026-08-071385.971417.091370.951401.54+3.12%605,700
2026-08-061313.251415.371305.131359.08+1.01%629,500
2026-08-051320.011358.611308.461345.46+0.78%705,000
2026-08-041402.101425.991333.321335.03-0.69%1,228,400
2026-08-031417.781421.611305.011344.37-5.73%1,215,200
2026-07-311499.001568.211405.961426.03+8.35%1,545,700
2026-07-301290.971339.991290.631316.18+5.40%1,720,100
2026-07-291263.271327.311240.021248.76-2.59%1,181,900
2026-07-281283.771313.741253.701282.01-4.26%1,007,000
2026-07-271340.001364.851284.821339.08+0.40%848,700
2026-07-241373.811385.741318.721333.81-4.53%805,300
2026-07-231359.811409.991359.591397.15-0.09%702,900
2026-07-221353.931419.921350.491398.45+1.10%607,200
2026-07-211385.821396.001364.621383.26+4.10%986,400
2026-07-201332.961371.161323.751328.80+1.28%784,800
2026-07-171245.791342.811231.001312.00+0.49%1,054,900
2026-07-161318.031332.441284.211305.65-3.48%933,500
2026-07-151406.041406.041310.121352.66-1.73%754,000
2026-07-141367.681401.291345.011376.41+6.58%786,000
2026-07-131307.171317.791277.641291.38-4.54%827,000
2026-07-101335.761364.031316.211352.74-1.56%577,500
2026-07-091399.201407.091360.331374.13+4.46%886,300
2026-07-081264.231329.161260.571315.51+3.35%703,200
2026-07-071274.591299.301232.041272.81-5.45%1,209,700
2026-07-061325.741371.371305.011346.13+4.50%857,400
2026-07-021332.851382.921258.661288.16-3.27%1,214,500
2026-07-011344.891386.601328.671331.73-3.66%1,515,600
2026-06-301325.911388.531322.401382.36+5.30%1,708,700
2026-06-291328.391342.131276.221312.77-0.04%1,050,900
2026-06-261357.451373.911301.441313.32-8.69%3,481,700
2026-06-251495.181510.761373.821438.30+0.23%1,002,100
2026-06-241423.021446.961392.501434.95+0.79%865,600
2026-06-231443.041486.921403.361423.76-7.42%1,636,600
2026-06-221592.691594.811506.371537.88-1.65%1,108,900
2026-06-181529.241581.041515.621563.70+7.97%1,935,600
2026-06-171545.561548.001435.831448.21-3.37%1,111,900
2026-06-161650.881656.221496.521498.77-9.29%1,039,700
2026-06-151652.561666.641605.011652.29+4.75%761,200
2026-06-121592.211598.421558.191577.32-0.77%567,500
2026-06-111523.441593.771506.821589.55+7.91%896,700
2026-06-101510.761563.371468.501473.04-3.85%737,300
2026-06-091597.511627.641405.001531.98-1.74%985,900
2026-06-081559.671584.361518.341559.18+5.28%870,700
2026-06-051591.251599.991473.951481.05-10.38%1,369,000
2026-06-041630.041666.691591.641652.60-2.21%679,000
2026-06-031647.511697.351617.831689.89+3.99%443,700
2026-06-021572.001627.851558.111624.99+5.36%692,900
2026-06-011536.081569.991508.241542.39-1.52%593,200
2026-05-291645.001657.001556.771566.21-4.10%1,164,100
2026-05-281616.931656.781575.001633.17+0.80%501,000
2026-05-271707.621707.621592.761620.17-2.57%858,600
2026-05-261650.491714.091622.101662.98+4.60%821,400
2026-05-221579.621596.751560.001589.81+1.83%476,600
2026-05-211535.801562.491516.011561.25+0.51%449,800
2026-05-201492.371555.551481.071553.27+5.80%753,100
2026-05-191434.911493.141412.891468.11-1.23%639,400
2026-05-181563.281579.991458.441486.33-4.11%806,900
2026-05-151562.551587.741548.611550.02-3.96%685,000
2026-05-141639.851644.901601.001613.97-2.20%373,600
2026-05-131631.201675.421614.001650.35+3.18%626,900
2026-05-121619.541622.011538.251599.52-3.71%731,800
2026-05-111594.491663.991585.001661.10+3.76%526,600
2026-05-081608.641617.051581.941600.84+1.58%686,600
2026-05-071636.331636.331559.001575.96-4.62%600,100
2026-05-061581.001662.001556.311652.35+4.04%854,100
2026-05-051588.941607.871557.051588.12+0.94%682,200
2026-05-041590.471603.701552.841573.30-0.64%515,400
2026-05-011564.561589.711521.001583.48-1.92%898,700
2026-04-301550.001621.911541.611614.41+5.74%1,077,600
2026-04-291550.961554.411507.341526.84+1.51%690,200
2026-04-281527.321537.741488.031504.08-5.26%637,600
2026-04-271610.431621.031550.921587.57-2.73%608,100
2026-04-241626.331661.791595.901632.06+2.51%692,300
2026-04-231550.401597.761533.001592.17+4.61%638,700
2026-04-221545.061560.091519.211522.04-0.39%538,600
2026-04-211502.261548.171499.601527.95+2.49%551,900
2026-04-201471.451492.751453.671490.86+1.53%384,500
2026-04-171437.621479.231420.341468.35+4.67%635,600
2026-04-161365.621405.141353.551402.81+3.68%467,900
2026-04-151345.721362.251329.461353.00-0.76%466,100
2026-04-141372.491378.551349.011363.42-0.64%557,500
2026-04-131336.411377.251332.041372.23+1.36%393,500
2026-04-101339.011370.001339.011353.85+1.47%522,400
2026-04-091312.941340.111303.941334.21+1.62%554,800
2026-04-081255.261322.621251.981312.94+10.22%1,012,900
2026-04-071179.211194.731153.171191.22+0.95%438,900
2026-04-061128.351182.571128.031180.03+5.50%499,400
2026-04-021071.891125.731071.891118.49-0.09%344,000
2026-04-011100.751138.421095.011119.51+2.39%668,200
2026-03-311008.381096.161008.381093.35+9.08%815,400
2026-03-301057.911057.91996.011002.34-4.81%590,200
2026-03-271049.261073.361039.041053.01-0.50%537,300
2026-03-261101.481112.441057.021058.28-5.40%547,000
2026-03-251116.321127.741101.861118.66+1.55%308,700
2026-03-241068.751109.991060.001101.59+2.34%429,500
2026-03-231100.001108.881074.851076.35+0.70%472,800
2026-03-201094.441103.271050.901068.85-2.18%1,035,300
2026-03-191041.461104.101033.941092.69+1.62%364,800
2026-03-181080.581094.501070.611075.29+0.81%581,500
2026-03-171069.851085.001060.011066.66-1.00%336,300
2026-03-161078.841097.071073.771077.40+2.36%484,200
2026-03-131054.171083.931042.851052.59+1.81%406,100
2026-03-121045.941049.431021.781033.88-3.47%485,600
2026-03-111059.061078.291053.821071.09+1.45%332,400
2026-03-101051.781091.381040.001055.82-0.58%448,000
2026-03-091013.051066.02988.001062.00+3.80%913,300
2026-03-061039.371062.411012.461023.16-5.13%756,900
2026-03-051071.491093.061051.791078.44-1.87%588,100
2026-03-041082.641102.201080.001099.02+2.29%433,700
2026-03-031108.331130.181068.811074.37-5.97%820,500
2026-03-021108.081144.601102.461142.58-0.01%540,200
2026-02-271156.071163.381128.601142.74-3.17%805,300
2026-02-261237.201239.701152.781180.13-4.21%644,500
2026-02-251226.811256.221220.241231.95+1.51%435,400
2026-02-241200.011240.251161.811213.67+1.98%610,500
2026-02-231204.441220.001171.421190.06-1.17%463,200
2026-02-201160.311205.751160.311204.10+2.46%375,900
2026-02-191170.281175.621152.851175.22-1.10%301,900
2026-02-181177.731202.921172.351188.32+1.29%357,100
2026-02-171150.151191.351139.631173.18+0.15%446,700
2026-02-131149.061173.381136.091171.47+1.34%434,200
2026-02-121206.251225.171151.231155.93-3.41%726,100
2026-02-111165.001204.001154.401196.73+4.79%768,900
2026-02-101197.261197.261127.341142.02-5.32%779,600
2026-02-091216.001240.901180.221206.18-1.92%660,900
2026-02-061250.001250.001169.621229.82+6.39%1,556,700
2026-02-051125.601179.001100.001155.99+1.69%820,400
2026-02-041167.501226.301109.001136.83-2.40%1,263,300
2026-02-031185.011199.761142.711164.83-0.72%840,300
2026-02-021110.681182.411100.001173.22+4.37%729,300
2026-01-301153.731188.661113.841124.15-4.99%1,046,100
2026-01-291165.931185.051120.991183.15+1.84%642,900
2026-01-281110.481171.571109.501161.78+6.05%667,700
2026-01-271094.141110.181088.011095.49+2.56%578,700
2026-01-261062.261077.251051.961068.14+0.41%683,700
2026-01-231077.611087.441050.881063.74-1.20%402,500
2026-01-221092.641098.931071.941076.67+0.16%409,400
2026-01-211046.841087.811043.891074.93+3.91%601,200
2026-01-201009.511055.001008.501034.49+0.13%661,900
2026-01-161030.001047.991019.491033.17+2.34%547,700
2026-01-151014.061041.951008.051009.54+2.64%537,200
2026-01-14980.55998.65964.11983.60+0.03%420,900
2026-01-13976.541004.74970.74983.28+1.67%341,900
2026-01-12946.46970.99944.00967.16+0.85%350,200
2026-01-09965.00975.63950.41958.97-0.01%529,500
2026-01-08947.67960.37941.10959.09+0.00%457,300
2026-01-07990.28998.59936.74959.08-4.61%727,100
2026-01-06969.791009.59967.361005.38+5.27%658,900
2026-01-05946.16966.06938.24955.03+2.00%649,100
2026-01-02927.61957.10926.18936.31+3.30%618,800
2025-12-31926.36928.07906.33906.36-1.90%381,900
2025-12-30929.39935.16923.12923.91-0.66%287,900
2025-12-29938.00949.29928.90930.04-1.72%446,300
2025-12-26960.44960.44944.62946.32-0.73%221,600
2025-12-24954.75958.08947.05953.25+1.03%191,700
2025-12-23939.88946.51935.83943.55-0.17%355,300
2025-12-22976.05976.05937.10945.16+0.86%569,200
2025-12-19941.89966.33937.11937.11+0.82%5,577,200
2025-12-18936.41951.63922.88929.48+1.89%731,400
2025-12-17959.61966.14909.00912.25-4.11%855,800
2025-12-16947.81968.84942.00951.36+0.21%577,000
2025-12-15960.80975.00946.45949.40+0.31%690,800
2025-12-12980.00988.10941.37946.51-3.56%781,600
2025-12-11967.62987.59950.55981.48+0.25%590,900
2025-12-10968.54989.25962.95979.02+1.67%446,700
2025-12-09978.54988.05957.39962.95-2.10%440,200
2025-12-08976.031002.50974.46983.58+2.11%444,800
2025-12-05964.25971.12954.39963.28+1.11%348,100
2025-12-04950.10959.38931.98952.74-0.55%478,800
2025-12-03954.31962.22933.82958.02+0.61%464,100
2025-12-02938.65963.91931.60952.18+2.57%603,000
2025-12-01908.72937.69894.39928.35+0.02%545,000
2025-11-28919.06930.40910.03928.17+0.35%357,500
2025-11-26920.19931.78914.34924.95+1.80%603,700
2025-11-25883.69913.26864.45908.61+1.75%559,700
2025-11-24887.69903.63881.89892.97+2.36%1,145,200
2025-11-21864.16883.79833.18872.35+1.77%763,000
2025-11-20908.62917.44852.69857.19-3.10%1,053,100
2025-11-19866.16890.84859.97884.65+3.23%843,200
2025-11-18887.22894.51852.04856.96-4.46%878,600
2025-11-17914.29924.00879.42897.01-2.52%483,900
2025-11-14879.11938.54866.38920.19-0.44%486,200
2025-11-13950.67959.17912.95924.29-3.55%675,800
2025-11-12973.99980.95957.00958.35+0.38%543,900
2025-11-11967.19978.76951.12954.71-2.21%580,500
2025-11-10986.65989.72947.87976.31+1.88%608,300
2025-11-07944.00959.01904.06958.26+0.02%739,900
2025-11-06995.151006.00954.09958.07-4.21%676,700
2025-11-05961.041014.99956.681000.15+4.41%697,100
2025-11-04966.12976.91953.09957.87-4.59%866,100
2025-11-031030.001040.39984.751003.93-0.11%828,000
2025-10-311020.161038.33935.931005.00-7.59%1,646,500
2025-10-301070.761100.511070.761087.56-0.60%1,262,700
2025-10-291095.971123.381090.501094.08+0.71%817,300
2025-10-281097.851111.031085.991086.36-1.69%475,700
2025-10-271097.281112.061093.701105.05+2.80%555,000
2025-10-241086.101091.911073.531074.91+0.38%378,600
2025-10-231045.001076.001038.601070.80+6.93%727,500
2025-10-221013.551022.76980.781001.40-2.65%713,000
2025-10-211027.321035.701012.351028.67-0.28%255,000
2025-10-201018.581037.891018.581031.59+2.68%442,600
2025-10-171002.901024.34994.861004.65-2.16%502,800
2025-10-161011.521041.501007.931026.83+1.88%517,700
2025-10-151000.001016.96987.311007.93+4.10%631,900
2025-10-14967.54994.83960.00968.25-1.37%754,100
2025-10-13967.60990.67953.66981.67+8.54%774,000
2025-10-10985.45990.25901.39904.44-7.64%872,600
2025-10-09973.83980.10961.94979.25-0.17%361,400
2025-10-08947.19983.48945.99980.90+3.75%570,100
2025-10-07969.70972.74940.88945.49-2.34%423,000
2025-10-06932.58986.63930.61968.10+5.36%652,000
2025-10-03940.44954.81916.80918.83-1.26%420,400
2025-10-02927.25940.11925.05930.51+1.60%389,300
2025-10-01907.37923.34894.89915.87-0.52%444,000
2025-09-30898.16929.50894.38920.64+3.84%505,700
2025-09-29908.52915.65885.92886.59-0.11%333,100
2025-09-26888.55892.54877.00887.55-0.43%304,300
2025-09-25897.65898.19872.29891.39-1.88%336,500
2025-09-24920.33920.33899.90908.45-0.64%349,400
2025-09-23917.64932.25907.02914.27-0.93%425,500
2025-09-22920.40938.04917.79922.81+0.70%416,300
2025-09-19923.37923.37893.07916.36-0.15%1,232,000
2025-09-18895.35924.40890.09917.78+4.57%853,300
2025-09-17856.42884.46850.00877.66+2.41%408,400
2025-09-16847.57860.20844.63857.02+0.86%401,200
2025-09-15838.00852.54831.00849.71+1.87%393,100
2025-09-12844.96844.96830.00834.14-0.74%329,700
2025-09-11855.16860.60830.37840.38-1.73%576,000
2025-09-10868.88869.70846.00855.18-0.31%751,800
2025-09-09865.71869.32848.13857.87-0.75%281,900
2025-09-08869.31879.50850.66864.32-0.18%495,400
2025-09-05853.65867.22846.34865.86+2.09%491,500
2025-09-04827.56850.14817.57848.11+2.48%424,500
2025-09-03830.26830.26809.54827.56+0.47%432,600
2025-09-02811.11824.97800.97823.65-1.45%517,400
2025-08-29849.41853.49825.16835.76-2.64%568,900
2025-08-28866.98875.05857.40858.46-0.91%468,100
2025-08-27847.90870.00843.53866.32+1.84%326,600
2025-08-26839.86857.99839.86850.64+1.53%404,000
2025-08-25841.41850.44832.20837.86-0.73%348,000
2025-08-22822.24859.79820.64844.00+2.83%548,800
2025-08-21814.22831.31812.00820.74-0.67%413,000
2025-08-20840.83847.57805.94826.27-2.19%673,100
2025-08-19854.40868.00839.96844.80-0.65%557,900
2025-08-18823.59853.24823.01850.31+2.88%563,800
2025-08-15851.92851.92823.85826.47-2.63%575,600
2025-08-14845.53854.99836.51848.81-1.51%582,300
2025-08-13845.60865.13840.00861.80+2.53%543,900
2025-08-12807.80844.00803.00840.56+5.40%713,900
2025-08-11806.23815.40795.82797.51-0.84%540,400

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Jan (+12.87%). Worst month: Oct (-4.73%). Based on 5 years of daily data (2022–2026).

FAQ · from the current price data · as of 2026-08-07

Quick answers

What is Monolithic Power Systems Inc's (MPWR) latest close?

1401.54 on 2026-08-07, from the Closelook data lake's daily price record.

What is MPWR's 52-week high and low?

1714.09 high and 785.00 low over the trailing 52 weeks, as of 2026-08-07.

What is Monolithic Power Systems Inc's strongest and weakest month historically?

Historically, MPWR's strongest calendar month has been Jan (average +12.87%) and its weakest Oct (average -4.73%), based on 5 years of daily data (2022–2026).

How many years of seasonality does this cover?

5 years (2022–2026), computed from 965 daily bars in the Closelook data lake.