Why is CLDX Down Today?

CLDX
$28.96
▼ -3.95% ($-1.14)
Last updated: Nov 12, 2026 5:00 PM ET

About Celldex Therapeutics, Inc

Celldex Therapeutics Inc is a biopharmaceutical company. It is focused on the development and commercialization of several immunotherapy technologies and other cancer-targeting biologics. The company is also engaged in clinical trials for products targeting breast cancer, metastatic melanoma, lung c...

Sector: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES
Market Cap: $1.68B
Forward P/E: -5.8
52-Week Range: $22.33 - $45.14
Employees: 186

Overall Confidence: 65%

65% Confident

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

SECTOR 65% Confidence
🎯 IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES sector moving together
This appears to be a sector-wide move. The IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES sector is down 2.1% on average.

✅ Move Confirmation

LOW VOLUME 0.1x average volume

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

📍 Sector Context

IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES sector: -2.1%

This appears to be a sector-wide move. Most IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES stocks are moving in the same direction.

Market Comparison

CLDX is significantly underperforming the market (-4.2% vs SPY)
S&P 500
SPY
+0.28%
Nasdaq 100
QQQ
+0.38%
CLDX
This Stock
-3.95%
vs S&P 500: -4.23%
vs Nasdaq: -4.33%

📊 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, CLDX is expected to trade between:
$28.09 - $29.54

Key Level to Watch

$27.51 support
Watch for breakdown below $28.96

🔔 Get CLDX Alerts

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

Last updated: Nov 12, 2026 5:00 PM (-350 minutes ago)
Data refreshes every 30 minutes during market hours

Options Market Insight

Bullish
Options Sentiment
0.64
Put/Call Ratio
117.2%
Implied Volatility
Call Volume: 2,479
Put Volume: 1,597
Total: 4,076

Historical Context

CLDX has moved more than 3.0% down on 37 occasions in the past year.

48.6%
Continuation Rate
18/37 times continued down
+0.47%
Avg Next Day Change
After similar down moves
Last similar move: Nov 05, 2026 (-5.5%) → Next day: +5.7%

Frequently Asked Questions

Why is CLDX stock down today?

This appears to be a sector-wide move. The IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES sector is down 2.1% on average.

Is CLDX stock a buy or sell right now?

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

What is the CLDX stock price target?

CLDX is currently trading at $28.96. Based on today's momentum, the expected short-term range is $28.09 - $29.54. See long-term price prediction →

Will CLDX stock continue falling?

Our analysis shows a 45% probability that CLDX's move continues in the next 1-3 days. Key level to watch: $27.51 (support).

Is CLDX stock oversold or overbought?

CLDX's RSI (Relative Strength Index) is currently at 43.5. This shows bearish momentum - the stock has negative momentum but isn't oversold yet.

What is the momentum for CLDX stock?

CLDX's 10-day momentum indicator is at -0.92. Negative momentum - the stock has mild downward pressure which may continue short-term.

Is CLDX outperforming or underperforming the market?

CLDX (-3.95%) is currently significantly underperforming the market (-4.2% vs SPY). Today, the S&P 500 (SPY) is up 0.28%, and Nasdaq (QQQ) is up 0.38%.

What does MACD indicate for CLDX?

CLDX's MACD (-0.54) is currently above the signal line (-0.81), indicating a bullish trend. This technical signal suggests buying pressure is dominant. The trend strength (ADX: 16.4) is weak.

Is CLDX in an uptrend or downtrend?

Based on moving average analysis, CLDX is in a bearish trend. The price ($28.96) is trading below both the 20-day SMA ($29.61) and 50-day SMA ($32.2). This alignment typically indicates sustained downward pressure.

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