GH
GH
-5.5%⚪ No clear catalystGuardant Health, Inc. Common Stock · Healthcare
$156.68Vol 1.98M · 1.1× normalMkt cap −$1.23BMarket closed — 2026-10-16 session
What happened
Move
-5.5%
Price
$156.68
Volume
1.98M
1.1× normal
Market cap
$21.03B
−$1.23B today
Why it moved
No clear catalyst identified
No reliable news, earnings or analyst driver was found for this move. Likely flow-driven.
Verdict — was the move justified?
⚪ No clear catalyst
No reliable catalyst was identified for this move.
How unusual is this move
σ score
2.0σ
vs own 20d volatility
Percentile
85th
of 1269 daily moves
Avg daily move
±3.1%
own 5y average
vs sector
-4.4%
beyond sector median
What happened after similar moves
151 similar down moves in GH’s 5-year history:
After 5 days
+1.1%
58% higher
After 20 days
+3.7%
59% higher
Median of same-direction moves within ±35% magnitude band. Past patterns don’t predict outcomes — context, not signal.
Fundamental context
V 25G 25P 0H 50Q 40
Insider activity (90d): net selling $11.0K
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Pillar scores, financial statements, valuation history, news & more for GH