Why is ANNX Down Today?

ANNX
$4.14
▼ -2.13% ($-0.09)
Last updated: Nov 10, 2026 5:30 PM ET (749 min ago)

About Annexon, Inc. Common Stock

Annexon Inc is a clinical-stage biopharmaceutical company developing a pipeline of novel therapies for patients with classical complement-mediated disorders of the body, brain, and eye. Its pipeline is based on its platform technology addressing well-researched classical complement-mediated autoimmu...

Sector: PHARMACEUTICAL PREPARATIONS
Market Cap: $332.96M
Forward P/E: -2.3
52-Week Range: $2.54 - $7.18
Employees: 103

Overall Confidence: 65%

65% Confident

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

SECTOR 65% Confidence
🎯 PHARMACEUTICAL PREPARATIONS sector moving together
This appears to be a sector-wide move. The PHARMACEUTICAL PREPARATIONS sector is down 2.6% on average.

✅ Move Confirmation

LOW VOLUME 0.2x average volume

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

📍 Sector Context

PHARMACEUTICAL PREPARATIONS sector: -2.6%

This appears to be a sector-wide move. Most PHARMACEUTICAL PREPARATIONS stocks are moving in the same direction.

Market Comparison

ANNX is underperforming the market (-1.8% vs SPY)
S&P 500
SPY
-0.37%
Nasdaq 100
QQQ
-0.68%
ANNX
This Stock
-2.13%
vs S&P 500: -1.76%
vs Nasdaq: -1.45%

📊 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, ANNX is expected to trade between:
$4.02 - $4.22

Key Level to Watch

$3.93 support
Watch for breakdown below $4.14

🔔 Get ANNX Alerts

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

Last updated: Nov 10, 2026 5:30 PM (749 minutes ago)
Data refreshes every 30 minutes during market hours

Options Market Insight

Bullish
Options Sentiment
0.62
Put/Call Ratio
243.5%
Implied Volatility
Call Volume: 55,770
Put Volume: 34,583
Total: 90,353
Unusual Activity: $5 CALL (10,730 vol) $5 CALL (10,387 vol) $2 PUT (10,054 vol)

Historical Context

ANNX has moved more than 3.0% down on 53 occasions in the past year.

50.9%
Continuation Rate
27/53 times continued down
+0.86%
Avg Next Day Change
After similar down moves
Last similar move: Nov 05, 2026 (-7.5%) → Next day: +4.9%

Frequently Asked Questions

Why is ANNX stock down today?

This appears to be a sector-wide move. The PHARMACEUTICAL PREPARATIONS sector is down 2.6% on average.

Is ANNX stock a buy or sell right now?

Based on current analysis, ANNX shows 65% confidence in today's move. Volume is low which does not confirm the trend. View full buy/sell analysis →

What is the ANNX stock price target?

ANNX is currently trading at $4.14. Based on today's momentum, the expected short-term range is $4.02 - $4.22. See long-term price prediction →

Will ANNX stock continue falling?

Our analysis shows a 45% probability that ANNX's move continues in the next 1-3 days. Key level to watch: $3.93 (support).

Is ANNX stock oversold or overbought?

ANNX's RSI (Relative Strength Index) is currently at 54.8. This shows bullish momentum - the stock has positive momentum but isn't overextended yet.

What is the momentum for ANNX stock?

ANNX's 10-day momentum indicator is at 0.45. Positive momentum - the stock has mild upward pressure supporting the current trend.

Is ANNX outperforming or underperforming the market?

ANNX (-2.13%) 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 ANNX?

ANNX's MACD (0.04) is currently above the signal line (-0.02), indicating a bullish trend. This technical signal suggests buying pressure is dominant. The trend strength (ADX: 14.0) is weak.

Is ANNX in an uptrend or downtrend?

Based on moving average analysis, ANNX 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: $3.93, 50-day SMA: $4.08.

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