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Monolithic Power Systems Inc (MPWR) — Price History

As of 2026-11-10 — refreshed nightly from the Closelooknet data lake. Diary readings, not advice.

Full Chart ↗

The Closelooknet read

  • Closelooknet score: 54 out of 100 (momentum 40 · quality 73 · valuation 20), as of 2026-11-11.
  • Signal: Up 16.6% at the close — Above both trend lines; one of the day's strongest moves. (as of 2026-11-09)
  • Trend: Monolithic Power Systems Inc trades 9.3% above its 50-day and 5.0% above its 200-day moving average. (as of 2026-11-09)
  • Index seat: Rubin Build-Out 100

Monolithic Power Systems designs power-management chips: DC-to-DC converters, AC-to-DC circuits, driver MOSFETs and power-management ICs that regulate voltage inside servers, AI systems, memory, storage, networking and automotive equipment. It sells through distributors and resellers into storage and computing, enterprise data, automotive, communications, consumer and industrial markets.

The full read — the desk's view, the earnings record, peers and the company snapshot — is on the MPWR overview; the trend detail on the technical tab. Agents can buy the score depth per call over HTTP 402 — see the catalogue. Research diary readings, not advice.

Daily prices

DateOpenHighLowCloseChg %Volume
2026-11-101359.931387.821290.021357.60-2.19%1,076,005
2026-11-091205.511396.551205.511388.05+16.60%1,667,600
2026-11-061201.301217.241153.341190.44+5.22%1,201,500
2026-11-051202.841218.271125.001131.43-10.28%2,630,500
2026-11-041335.101337.911213.501261.08-5.06%1,233,300
2026-11-031303.151363.361275.751328.30+6.78%1,311,562
2026-11-021231.181309.441230.821243.95+2.67%1,271,226
2026-10-301174.001263.051171.021211.63+1.07%2,132,900
2026-10-291199.161209.861163.861198.81-1.02%788,900
2026-10-281224.141224.141188.931211.22-0.06%649,700
2026-10-271183.431220.771173.951211.89+3.82%813,200
2026-10-261141.841178.381135.181167.27+2.38%919,900
2026-10-231156.391169.061126.571140.12-2.38%668,600
2026-10-221227.181230.421147.171167.93-8.99%1,479,300
2026-10-211265.581288.271259.871283.32+2.77%610,500
2026-10-201232.851284.871222.291248.74-0.39%509,200
2026-10-191255.411283.591236.261253.66+3.53%862,100
2026-10-161223.321249.001207.201210.86-3.07%834,200
2026-10-151198.151260.241195.001249.20+0.49%991,300
2026-10-141295.001300.761234.361243.11-5.79%1,121,600
2026-10-131294.291322.401283.811319.55+0.02%730,800
2026-10-121365.361365.361314.521319.23-4.84%869,800
2026-10-091396.531401.761351.261386.29+1.20%433,700
2026-10-081405.991416.621349.391369.80-3.94%848,100
2026-10-071447.641450.711412.681425.98-3.24%481,700
2026-10-061487.881491.641458.791473.69-0.42%374,700
2026-10-051444.411482.971432.381479.89+2.79%685,400
2026-10-021406.001455.991393.131439.73+5.79%705,300
2026-10-011359.981368.671331.001360.97+1.02%492,300
2026-09-301353.771361.441324.961347.22-0.65%465,200
2026-09-291372.051374.321347.851355.99+0.35%450,000
2026-09-281353.131359.761320.801351.20-1.19%659,400
2026-09-251332.631377.141329.471367.43+2.39%536,600
2026-09-241317.091349.641313.091335.55-1.47%492,500
2026-09-231367.081371.661302.101355.47-1.82%767,000
2026-09-221278.081387.461271.031380.62+8.06%1,534,800
2026-09-211243.251283.831217.241277.68+4.92%1,029,700
2026-09-181185.521221.511176.211217.80+4.12%1,426,900
2026-09-171183.151184.151146.401169.58+1.91%950,100
2026-09-161157.421176.051133.831147.61+0.45%624,900
2026-09-151164.971171.181136.651142.46-0.07%557,000
2026-09-141184.431185.891141.381143.24-7.39%984,400
2026-09-111200.801241.041194.471234.46+4.08%555,000
2026-09-101184.851205.201175.951186.08-1.47%625,200
2026-09-091206.701228.821198.171203.75-1.21%508,400
2026-09-081230.641243.091211.221218.50-0.44%763,400
2026-09-041239.131239.131206.551223.86+0.84%625,900
2026-09-031200.701225.001189.491213.65-0.47%413,600
2026-09-021224.921245.231211.741219.36-0.54%405,200
2026-09-011245.111250.001211.861225.96-3.30%757,900
2026-08-311261.901279.001253.001267.77+0.92%689,000
2026-08-281306.031306.031254.011256.26-4.18%706,200
2026-08-271319.751332.001290.861311.08+0.55%459,000
2026-08-261301.041311.021284.561303.88-0.02%254,500
2026-08-251310.061322.991291.541304.15+1.49%359,622
2026-08-241298.381305.641255.561285.03-2.37%897,888
2026-08-211321.131337.701297.301316.28+0.43%529,600
2026-08-201311.341327.001295.021310.60+0.80%437,100
2026-08-191321.121335.191267.771300.14-2.48%710,800
2026-08-181365.451376.531303.221333.18-5.85%1,144,300
2026-08-171418.011448.761411.601415.99+1.00%542,800
2026-08-141360.001404.141355.111402.01+2.90%440,300
2026-08-131421.441438.381358.001362.55-4.38%506,200
2026-08-121451.181464.991423.101425.01+1.63%623,100
2026-08-111413.781431.631383.631402.11+1.52%413,700
2026-08-101428.221430.001379.171381.10-1.46%493,600
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

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Jan (+12.87%). Worst month: Oct (-5.98%). Based on 5 years of daily data (2022–2026).

FAQ · from the current price data · as of 2026-11-10

Quick answers

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

1357.60 on 2026-11-10, from the Closelook data lake's daily price record.

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

1714.09 high and 833.18 low over the trailing 52 weeks, as of 2026-11-10.

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 -5.98%), based on 5 years of daily data (2022–2026).

How many years of seasonality does this cover?

5 years (2022–2026), computed from 1031 daily bars in the Closelook data lake.

What is Monolithic Power Systems Inc's Closelooknet score?

54 out of 100 (momentum 40 · quality 73 · valuation 20), as of 2026-11-11. Scores are Closelooknet's own research readings, not ratings or investment advice.

What is the current Closelooknet signal on MPWR?

Up 16.6% at the close: Above both trend lines; one of the day's strongest moves. As of 2026-11-09. A research diary reading, not advice.

Is MPWR above its 50-day and 200-day moving averages?

Monolithic Power Systems Inc trades 9.3% above its 50-day and 5.0% above its 200-day moving average (12.6% above its 20-day). As of 2026-11-09.