stockNASDAQ: MPWR • 28 Days Updates
Monolithic Power Systems Inc. (MPWR)
Showing Closing Date Range from Sep 10 to Oct 8, 2026.
Monolithic Power Systems (MPWR) designs integrated power management and analog semiconductors, trading among Nasdaq Stocks. Shares last closed at $1,369.80, moving +0.65% over the past week and +15.49% across 28 days. Longer term, the stock is +1.26% over 3 months, -0.18% over 6 months and +39.65% over 12 months. Semiconductor peers INTC (Intel) (+6.74%), NVDA (NVIDIA) (+5.55%), MU (Micron Technology) (+5.98%), AMD (Advanced Micro Devices) (+23.25%) and MRVL (Marvell Technology) (+21.02%) moved over the same 28-day stretch, for comparison.
Investor Relations:ir.monolithicpower.com
Price & Performance Trajectory
Monolithic Power Systems Inc.NASDAQ: MPWR
Latest Close
$1,369.80
28 Days Updates Trajectory
Showing Closing Date Range from Sep 10 to Oct 8, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesMPWR session performance
✓ Latest Close USD
$1,369.80
Latest session close
+$183.72vs period start
Period Return % % GAIN
+15.49%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$1491.64 / $1133.83
Period range envelope
$357.81channel spread
Total Volume SHARES
14.59M
Period turnover
Avg: 729.3K/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(20 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 08, 2026 | $1369.80 | -3.94% | $1416.62 | $1349.39 | 826.0K |
| Oct 07, 2026 | $1425.98 | -3.24% | $1450.71 | $1412.68 | 468.5K |
| Oct 06, 2026 | $1473.69 | -0.42% | $1491.64 | $1459.17 | 370.5K |
| Oct 05, 2026 | $1479.89 | +2.79% | $1482.97 | $1432.38 | 656.5K |
| Oct 02, 2026 | $1439.73 | +5.79% | $1455.99 | $1393.13 | 689.9K |
| Oct 01, 2026 | $1360.97 | +1.02% | $1368.67 | $1331.00 | 492.3K |
| Sep 30, 2026 | $1347.22 | -0.65% | $1361.44 | $1324.96 | 465.2K |
| Sep 29, 2026 | $1355.99 | +0.35% | $1374.32 | $1347.85 | 450.0K |
| Sep 28, 2026 | $1351.20 | -1.19% | $1359.76 | $1320.80 | 659.4K |
| Sep 25, 2026 | $1367.43 | +2.39% | $1377.14 | $1329.47 | 536.6K |
| Sep 23, 2026 | $1355.47 | -1.82% | $1371.66 | $1302.10 | 767.0K |
| Sep 22, 2026 | $1380.62 | +8.06% | $1387.46 | $1271.20 | 1.45M |
| Sep 21, 2026 | $1277.68 | +4.92% | $1283.83 | $1217.24 | 1.03M |
| Sep 18, 2026 | $1217.80 | +4.12% | $1221.51 | $1176.21 | 1.43M |
| Sep 17, 2026 | $1169.58 | +1.91% | $1184.15 | $1146.40 | 950.1K |
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