Why is GH Down Today?

GH
$158.27
▼ -2.77% ($-4.39)
Last updated: Sep 10, 2026 8:07 PM ET

About Guardant Health, Inc. Common Stock

Guardant Health, Inc, based in Redwood City, California, is a leader in liquid-based cancer tests for clinical and research use. The company offers Guardant360 LDT, a liquid biopsy test for treatment selection in advanced stage cancer, Guardant360 CDx, an FDA-approved companion diagnostic for severa...

Sector: SERVICES-MEDICAL LABORATORIES
Market Cap: $7.81B
Forward P/E: -66.4
52-Week Range: $53.40 - $176.58
Employees: 2,021

Overall Confidence: 50%

50% Confident

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

MOMENTUM 50% Confidence
🎯 GH showing strong bearish momentum
GH is down 2.8% today on 0.3x average volume. The move appears to be driven by general market sentiment and momentum traders.

✅ Move Confirmation

LOW VOLUME 0.3x average volume

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

📍 Sector Context

SERVICES-MEDICAL LABORATORIES sector: -0.9%

GH is outperforming its sector by -1.9%. This suggests a stock-specific catalyst.

Market Comparison

GH is significantly underperforming the market (-2.1% vs SPY)
S&P 500
SPY
-0.63%
Nasdaq 100
QQQ
-1.0%
GH
This Stock
-2.77%
vs S&P 500: -2.14%
vs Nasdaq: -1.77%

📊 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, GH is expected to trade between:
$153.52 - $161.44

Key Level to Watch

$150.36 support
Watch for breakdown below $158.27

🔔 Get GH Alerts

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

Last updated: Sep 10, 2026 8:07 PM (-285 minutes ago)
Data refreshes every 30 minutes during market hours

Options Market Insight

Bearish
Options Sentiment
1.73
Put/Call Ratio
69.4%
Implied Volatility
Call Volume: 2,963
Put Volume: 5,128
Total: 8,091

Historical Context

GH has moved more than 3.0% down on 32 occasions in the past year.

31.2%
Continuation Rate
10/32 times continued down
+0.35%
Avg Next Day Change
After similar down moves
Last similar move: Aug 28, 2026 (-4.2%) → Next day: -1.5%

Frequently Asked Questions

Why is GH stock down today?

GH is down 2.8% today on 0.3x average volume. The move appears to be driven by general market sentiment and momentum traders.

Is GH stock a buy or sell right now?

Based on current analysis, GH shows 50% confidence in today's move. Volume is low which does not confirm the trend. View full buy/sell analysis →

What is the GH stock price target?

GH is currently trading at $158.27. Based on today's momentum, the expected short-term range is $153.52 - $161.44. See long-term price prediction →

Will GH stock continue falling?

Our analysis shows a 45% probability that GH's move continues in the next 1-3 days. Key level to watch: $150.36 (support).

Is GH stock oversold or overbought?

GH's RSI (Relative Strength Index) is currently at 47.8. This shows bearish momentum - the stock has negative momentum but isn't oversold yet.

What is the momentum for GH stock?

GH's 10-day momentum indicator is at -11.49. Strong bearish momentum - the stock is experiencing significant downward pressure. Watch for potential reversal signals.

Is GH outperforming or underperforming the market?

GH (-2.77%) is currently significantly underperforming the market (-2.1% vs SPY). Today, the S&P 500 (SPY) is down -0.63%, and Nasdaq (QQQ) is down -1.00%.

What does MACD indicate for GH?

GH's MACD (0.96) is currently below the signal line (2.02), indicating a bearish trend. This technical signal suggests selling pressure is dominant. The trend strength (ADX: 17.9) is weak.

Is GH in an uptrend or downtrend?

Based on moving average analysis, GH 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: $163.08, 50-day SMA: $160.12.

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