MP
MPWR
-3.5%⚪ No clear catalystMonolithic Power Systems, Inc. · Technology
$1205.00Vol 835.1K · 1.1× normalMkt cap −$2.17BMarket closed — 2026-10-16 session
What happened
Move
-3.5%
Price
$1205.00
Volume
835.1K
1.1× normal
Market cap
$59.22B
−$2.17B today
Why it moved
Sector-wide movelow confidence
- Sector-wide move — computed
- Monolithic (MPWR) Upgraded to Buy: What Does It Mean for the Stock? — finnhub-news
Sector-driven move — the stock is moving largely with its sector (-3.2%); no major company-specific catalyst detected.
Verdict — was the move justified?
⚪ No clear catalyst
No reliable catalyst was identified for this move.
How unusual is this move
σ score
1.1σ
vs own 20d volatility
Percentile
74th
of 1278 daily moves
Avg daily move
±2.5%
own 5y average
What happened after similar moves
177 similar down moves in MPWR’s 5-year history:
After 5 days
+1.0%
56% higher
After 20 days
+2.9%
59% higher
Median of same-direction moves within ±35% magnitude band. Past patterns don’t predict outcomes — context, not signal.
Fundamental context
V 22G 100P 95H 100Q 75EW 36/65
Insider activity (90d): net selling $366.6K
Valuation context
P/E (TTM)
74.0
5y median 71.2
P/E percentile
55%
vs own 5y history
FCF yield
0.0%
Valuation sits near the middle of its own historical range (55th percentile).
Full fundamental analysis on PreMarketPrice
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