ST
STM
-2.6%⚪ No clear catalystSTMicroelectronics N.V. · Technology
$45.39Vol 12.38M · 1.3× normalMkt cap −$1.08BMarket closed — 2026-10-16 session
What happened
Move
-2.6%
Price
$45.39
Volume
12.38M
1.3× normal
Market cap
$40.64B
−$1.08B today
Why it moved
Sector-wide movelow confidence
- Sector-wide move — computed
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
0.7σ
vs own 20d volatility
Percentile
71th
of 1269 daily moves
Avg daily move
±2.1%
own 5y average
vs sector
+0.6%
beyond sector median
What happened after similar moves
180 similar down moves in STM’s 5-year history:
After 5 days
+0.7%
53% higher
After 20 days
+0.4%
51% higher
Median of same-direction moves within ±35% magnitude band. Past patterns don’t predict outcomes — context, not signal.
Fundamental context
V 25G 25P 21H 93Q 67
Valuation context
P/E (TTM)
243.9
5y median 14.5
P/E percentile
90%
vs own 5y history
FCF yield
0.0%
Trading richer than 90% of its own historical valuation range.
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