Why is GH Down Today?

GH
$155.31
▼ -2.19% ($-3.40)
Last updated: Nov 10, 2026 8:30 PM ET (75 min ago)

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: $74.55 - $191.05
Employees: 2,021

Overall Confidence: 70%

70% Confident

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

OPTIONS 75% Confidence
🎯 Unusual PUT buying detected
Options traders are heavily buying puts on GH, with 90% of volume in puts. This suggests bearish institutional positioning.
SECTOR 65% Confidence
SERVICES-MEDICAL LABORATORIES sector moving together
This appears to be a sector-wide move. The SERVICES-MEDICAL LABORATORIES sector is down 4.5% on average.

✅ Move Confirmation

LOW VOLUME 0.8x average volume

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

📍 Sector Context

SERVICES-MEDICAL LABORATORIES sector: -4.5%

This appears to be a sector-wide move. Most SERVICES-MEDICAL LABORATORIES stocks are moving in the same direction.

Market Comparison

GH is underperforming the market (-1.8% vs SPY)
S&P 500
SPY
-0.37%
Nasdaq 100
QQQ
-0.68%
GH
This Stock
-2.19%
vs S&P 500: -1.82%
vs Nasdaq: -1.51%

📊 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:
$150.65 - $158.42

Key Level to Watch

$147.54 support
Watch for breakdown below $155.31

🔔 Get GH Alerts

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

Last updated: Nov 10, 2026 8:30 PM (75 minutes ago)
Data refreshes every 30 minutes during market hours

Options Market Insight

Bearish
Options Sentiment
3.69
Put/Call Ratio
92.5%
Implied Volatility
Call Volume: 6,563
Put Volume: 24,186
Total: 30,749
Unusual Activity: $130 PUT (4,300 vol) $130 PUT (2,683 vol) $140 PUT (2,435 vol)

Historical Context

GH has moved more than 3.0% down on 34 occasions in the past year.

41.2%
Continuation Rate
14/34 times continued down
-0.27%
Avg Next Day Change
After similar down moves
Last similar move: Nov 05, 2026 (-9.0%) → Next day: -1.7%

Frequently Asked Questions

Why is GH stock down today?

Options traders are heavily buying puts on GH, with 90% of volume in puts. This suggests bearish institutional positioning.

Is GH stock a buy or sell right now?

Based on current analysis, GH shows 70% 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 $155.31. Based on today's momentum, the expected short-term range is $150.65 - $158.42. 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: $147.54 (support).

Is GH stock oversold or overbought?

GH's RSI (Relative Strength Index) is currently at 41.3. 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 -22.71. Strong bearish momentum - the stock is experiencing significant downward pressure. Watch for potential reversal signals.

Is GH outperforming or underperforming the market?

GH (-2.19%) is currently underperforming the market (-1.8% vs SPY). Today, the S&P 500 (SPY) is down -0.37%, and Nasdaq (QQQ) is down -0.68%.

What does MACD indicate for GH?

GH's MACD (-2.88) is currently below the signal line (-0.74), indicating a bearish trend. This technical signal suggests selling pressure is dominant. The trend strength (ADX: 18.4) is weak.

Is GH in an uptrend or downtrend?

Based on moving average analysis, GH is in a bearish trend. The price ($155.31) is trading below both the 20-day SMA ($166.87) and 50-day SMA ($169.19). This alignment typically indicates sustained downward pressure.

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