Why is PACB Down Today?

PACB
$2.22
▼ -5.93% ($-0.13)
Last updated: Nov 10, 2026 8:30 PM ET (509 min ago)

About Pacific Biosciences of California, Inc.

Pacific Biosciences of California Inc is a biotechnology company focused on designing, developing, and manufacturing sequencing solutions that enable scientists and clinical researchers to improve their understanding of the genome and ultimately, resolve genetically complex problems. It operates in,...

Sector: LABORATORY ANALYTICAL INSTRUMENTS
Market Cap: $414.51M
Forward P/E: -3.5
52-Week Range: $1.07 - $3.44
Employees: 575

Overall Confidence: 60%

60% Confident

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

SYMPATHY 60% Confidence
🎯 Outperforming sector by 5.3%
This stock is significantly underperforming its LABORATORY ANALYTICAL INSTRUMENTS sector peers, suggesting a stock-specific catalyst.

✅ Move Confirmation

LOW VOLUME 0.5x average volume

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

📍 Sector Context

LABORATORY ANALYTICAL INSTRUMENTS sector: -0.7%

PACB is outperforming its sector by -5.3%. This suggests a stock-specific catalyst.

Market Comparison

PACB is significantly underperforming the market (-5.6% vs SPY)
S&P 500
SPY
-0.37%
Nasdaq 100
QQQ
-0.68%
PACB
This Stock
-5.93%
vs S&P 500: -5.56%
vs Nasdaq: -5.25%

📊 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, PACB is expected to trade between:
$2.15 - $2.26

Key Level to Watch

$2.11 support
Watch for breakdown below $2.22

Quick Trade Ideas

Options strategies to consider for PACB's -6% move

📊

No Options Available

PACB doesn't have listed options or options data is currently unavailable.

Try another stock in our Options Calculator →
Disclaimer: These are educational examples only, not investment advice. Options involve significant risk including total loss of premium. Prices shown are estimates and may differ from actual market prices. Always do your own research and consider your risk tolerance.

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

Last updated: Nov 10, 2026 8:30 PM (509 minutes ago)
Data refreshes every 30 minutes during market hours

Options Market Insight

Bullish
Options Sentiment
0.22
Put/Call Ratio
128.7%
Implied Volatility
Call Volume: 98,186
Put Volume: 21,253
Total: 119,439
Unusual Activity: $3 CALL (6,381 vol) $3 CALL (6,206 vol) $3 CALL (5,829 vol)

Historical Context

PACB has moved more than 3.0% down on 68 occasions in the past year.

55.9%
Continuation Rate
38/68 times continued down
-0.35%
Avg Next Day Change
After similar down moves
Last similar move: Nov 06, 2026 (-7.2%) → Next day: +4.7%

Frequently Asked Questions

Why is PACB stock down today?

This stock is significantly underperforming its LABORATORY ANALYTICAL INSTRUMENTS sector peers, suggesting a stock-specific catalyst.

Is PACB stock a buy or sell right now?

Based on current analysis, PACB shows 60% confidence in today's move. Volume is low which does not confirm the trend. View full buy/sell analysis →

What is the PACB stock price target?

PACB is currently trading at $2.22. Based on today's momentum, the expected short-term range is $2.15 - $2.26. See long-term price prediction →

Will PACB stock continue falling?

Our analysis shows a 45% probability that PACB's move continues in the next 1-3 days. Key level to watch: $2.11 (support).

Is PACB stock oversold or overbought?

PACB's RSI (Relative Strength Index) is currently at 49.7. This shows bearish momentum - the stock has negative momentum but isn't oversold yet.

What is the momentum for PACB stock?

PACB's 10-day momentum indicator is at -0.21. Negative momentum - the stock has mild downward pressure which may continue short-term.

Is PACB outperforming or underperforming the market?

PACB (-5.93%) is currently significantly underperforming the market (-5.6% vs SPY). Today, the S&P 500 (SPY) is down -0.37%, and Nasdaq (QQQ) is down -0.68%.

What does MACD indicate for PACB?

PACB's MACD (0.11) is currently below the signal line (0.15), indicating a bearish trend. This technical signal suggests selling pressure is dominant. The trend strength (ADX: 31.3) is strong.

Is PACB in an uptrend or downtrend?

Based on moving average analysis, PACB 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: $2.27, 50-day SMA: $1.96.

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