Why is MPWR Up Today?

MPWR
$1272.63
▲ +4.50% (+$57.30)
Last updated: Sep 21, 2026 8:34 PM ET (251 min ago)

About Monolithic Power Systems, Inc.

Monolithic Power Systems is an analog and mixed-signal chipmaker specializing in power management solutions. Its mission is to reduce total energy consumption in end systems. It serves the computing, automotive, industrial, communications, and consumer end markets. MPS uses a fabless manufacturing m...

Sector: SEMICONDUCTORS & RELATED DEVICES
Market Cap: $43.86B
Forward P/E: 41.2
52-Week Range: $833.18 - $1714.09
Employees: 4,017

Overall Confidence: 65%

65% Confident

Based on news, social sentiment, options activity, and sector analysis

SECTOR 65% Confidence
🎯 SEMICONDUCTORS & RELATED DEVICES sector moving together
This appears to be a sector-wide move. The SEMICONDUCTORS & RELATED DEVICES sector is up 3.6% on average.

✅ Move Confirmation

LOW VOLUME 0.8x average volume

UNCONFIRMED - Low volume suggests this move may not be sustainable.

📍 Sector Context

SEMICONDUCTORS & RELATED DEVICES sector: +3.6%

This appears to be a sector-wide move. Most SEMICONDUCTORS & RELATED DEVICES stocks are moving in the same direction.

Market Comparison

MPWR is significantly outperforming the market (+3.0% vs SPY)
S&P 500
SPY
+1.55%
Nasdaq 100
QQQ
+2.77%
MPWR
This Stock
+4.50%
vs S&P 500: +2.95%
vs Nasdaq: +1.73%

📊 What Happens Next?

Probability Analysis

45% chance this move continues in the next 1-3 days

Expected Range

Based on historical patterns and options pricing, MPWR is expected to trade between:
$1247.18 - $1310.81

Key Level to Watch

$1336.26 resistance
Watch for continuation above $1272.63

🔔 Get MPWR Alerts

We'll notify you when MPWR's trend changes or a new signal fires.

Last updated: Sep 21, 2026 8:34 PM (251 minutes ago)
Data refreshes every 30 minutes during market hours

Options Market Insight

Bearish
Options Sentiment
2.96
Put/Call Ratio
76.3%
Implied Volatility
Call Volume: 895
Put Volume: 2,645
Total: 3,540

Historical Context

MPWR has moved more than 3.0% up on 45 occasions in the past year.

37.8%
Continuation Rate
17/45 times continued up
-0.84%
Avg Next Day Change
After similar up moves
Last similar move: Sep 18, 2026 (4.1%) → Next day: +4.5%

Frequently Asked Questions

Why is MPWR stock up today?

This appears to be a sector-wide move. The SEMICONDUCTORS & RELATED DEVICES sector is up 3.6% on average.

Is MPWR stock a buy or sell right now?

Based on current analysis, MPWR shows 65% confidence in today's move. Volume is low which does not confirm the trend. View full buy/sell analysis →

What is the MPWR stock price target?

MPWR is currently trading at $1272.63. Based on today's momentum, the expected short-term range is $1247.18 - $1310.81. See long-term price prediction →

Will MPWR stock continue rising?

Our analysis shows a 45% probability that MPWR's move continues in the next 1-3 days. Key level to watch: $1336.26 (resistance).

Is MPWR stock oversold or overbought?

MPWR's RSI (Relative Strength Index) is currently at 53.3. This shows bullish momentum - the stock has positive momentum but isn't overextended yet.

What is the momentum for MPWR stock?

MPWR's 10-day momentum indicator is at 53.82. Strong bullish momentum - the stock is gaining significant upward force. This often precedes continued gains.

Is MPWR outperforming or underperforming the market?

MPWR (+4.50%) is currently significantly outperforming the market (+3.0% vs SPY). Today, the S&P 500 (SPY) is up 1.55%, and Nasdaq (QQQ) is up 2.77%.

What does MACD indicate for MPWR?

MPWR's MACD (-33.45) is currently above the signal line (-40.66), indicating a bullish trend. This technical signal suggests buying pressure is dominant. The trend strength (ADX: 21.5) is moderate.

Is MPWR in an uptrend or downtrend?

Based on moving average analysis, MPWR is in a mixed/transitional trend. The price and moving averages are not clearly aligned, suggesting a potential trend change or consolidation phase. 20-day SMA: $1227.61, 50-day SMA: $1301.56.

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