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Last update: Jul 20, 2026, 5:23 PM ET
Guardant Health, Inc.
$148.07 5.00% today
Pre-market

Why Guardant Health, Inc. (GH) stock moved

Updated Jul 21, 2026

Guardant Health, Inc. (GH) shares tumbled 5.0% to $148.07 as of July 21, 2026, a significant decline from the prior close of $155.87. BestStocks flagged the session as a major change for GH. No single company-specific catalyst was confirmed during the move window. Below, we break down what changed for GH, why it matters for investors, how the stock reacted, and the catalysts on the calendar.

What happened

GH fell 5.0% to $148.07

GH tumbled 5.0% in its latest session, moving from $155.87 to $148.07.

RiskWeak confidence
Rel. volume
0.9×
Below Avg
Vs peers
No comparable peers
Market cap
$19.6B
NASDAQ Global Select
Analyst target
$164
+10.6% vs price
Price chart
Jun 22 – Jul 21
VVVVVVV$129$150$171Jun 22Jun 29Jul 7Jul 14Jul 21
E earnings
F filing
A analyst
V/N other
click a marker to highlight
Change events — click to jump to details

What it means for Guardant Health, Inc. investors

For Guardant Health, Inc. investors, the recent signals add up to a bearish shift. On the constructive side: Guardant Health, Inc. (GH) moved +5.07% from $156.17 to $164.08 on 2026-07-09; UnitedHealth Group announced coverage of Guardant Health's Shield blood test for colorectal cancer screening, expanding reimbursement access for the company's flagship screening product. Weighing against that: Sharp 5.0% decline — elevated risk; GH moved -4.14% from $162.92 to $156.17 on 2026-07-08. Wall Street's consensus price target sits at $163.73, implying +10.6% upside from $148.07. Over the past 90 days analysts logged 1 upgrade and 0 downgrades. BestStocks rates the overall signal quality weak (0/100). With earnings roughly 9 days out, the next report is the most likely near-term test of the move.

GH price reaction

GH last traded at $148.07, down $7.80 (-5.00%) from the previous close of $155.87. The session traded on 0.9× average volume (below avg), so participation was unremarkable. Over the past month the stock has ranged between $128.83 and $170.77, and it currently sits about 46% of the way up that band.

Bullish and bearish analyst opinions on Guardant Health, Inc. (GH)

The consensus analyst price target on Guardant Health, Inc. (GH) is $163.73, 10.6% above the recent $148.07. Over the past 90 days analysts logged 1 upgrade, 17 maintains, and 0 downgrades. Here is how the bullish and bearish cases on GH line up.

The bullish case

  • Wall Street's consensus price target of $163.73 implies +10.6% upside from $148.07.
  • The Street's most bullish target is $205.00 (+38.4%).
  • 1 analyst upgrade in the past 90 days, most recently Evercore ISI Group to Outperform (2026-06-02).
  • Guardant Health, Inc. (GH) moved +5.07% from $156.17 to $164.08 on 2026-07-09.
  • UnitedHealth Group announced coverage of Guardant Health's Shield blood test for colorectal cancer screening, expanding reimbursement access for the company's flagship screening product.

The bearish case

  • The most bearish analyst target is $115.00 (-22.3%).
  • Sharp 5.0% decline — elevated risk.
  • GH moved -4.14% from $162.92 to $156.17 on 2026-07-08.
  • GH moved -3.49% from $168.82 to $162.92 on 2026-07-07.
Bull vs bear balanceBearish Shift
BearishNeutralBullish

Weighing both sides, BestStocks' composite read of recent signals is bearish, as the bull-versus-bear meter above shows. This is an educational summary of the bull and bear case, not investment advice.

Analyst price targets and ratings are FMP consensus figures as of Jul 21, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.

Analyst expectations
Consensus target: $164+10.6%
1 upgrades= 17 maintains
Guggenheim maintained Buy · 2026-07-16
SEC filings watch
8-K2026-06-18
Material event — review for impact
high
10-Q2026-05-07
Quarterly financial results
medium
8-K2026-05-07
Material event — review for impact
high
DEF 14A2026-04-28
Annual proxy — exec compensation & governance
low
Peer context
GH-5.0%

Previous notable changes for GH

Risk2026-07-16-4.9%
Guardant Health, Inc. (GH) moved -4.88% from $162.96 to $155.00 on 2026-07-16. We checked news, earnings, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume remained near its 5-day average.
Activity2026-07-09+5.1%
Guardant Health, Inc. (GH) moved +5.07% from $156.17 to $164.08 on 2026-07-09. We checked news, earnings, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume remained near its 5-day average.
Risk2026-07-08-4.1%
GH moved -4.14% from $162.92 to $156.17 on 2026-07-08.
Risk2026-07-07-3.5%
GH moved -3.49% from $168.82 to $162.92 on 2026-07-07.
Upcoming catalysts & outlook
Next earnings
2026-07-30 (est.)
in 9 days
10-Q Filing (est.)
2026-08-06
Medium impact
Thesis shift
Bearish Shift
bearish signal
Risk level
High
from change events

Frequently asked questions about GH

Why did Guardant Health, Inc. (GH) stock move?

GH tumbled 5.0% to $148.07. No single company-specific catalyst was confirmed during the move window, and it looks technical.

How much did GH stock fall?

GH lost 5.00% ($7.80) versus the prior close of $155.87, last trading at $148.07 on 0.9× average volume.

When is Guardant Health, Inc.'s next earnings date?

GH's next earnings report is estimated for 2026-07-30 — about 9 days away.

What is the analyst price target for GH?

The consensus analyst price target for GH is $163.73, about 10.6% above the current $148.07. Over the past 90 days, analysts recorded 1 upgrade, 17 maintains, and 0 downgrades.

How BestStocks tracks GH

This page is generated automatically by BestStocks' change-detection system after its price and volume cleared GH-specific materiality thresholds, triggering an evidence check. It draws on 9 tracked change events for GH, cross-checked against the data sources listed below. Price, volume, and market-capitalization figures are the live intraday quote as of July 21, 2026 and refresh as new information is detected; for companies with multiple share classes, market-cap figures can differ by data source. Analyst price targets and ratings are FMP consensus. This is an educational summary of what changed and why — not personalized investment advice.

Data sources
FMP real-time & historical price dataSEC EDGAR filingsFMP earnings & estimatesAnalyst ratings & price targets (FMP)Earnings calendar (FMP)
Educational research tool — not personalized investment advice. Data may be delayed.