Why is ACIU Down Today?

ACIU
$2.69
▼ -4.27% ($-0.11)
Last updated: Oct 02, 2026 8:33 PM ET (1046 min ago)

About AC Immune SA

AC Immune SA is a clinical-stage biopharmaceutical company that focuses on neurodegenerative diseases. The company uses its proprietary technology platforms to discover, design, and develop novel proprietary small molecules, antibodies, and vaccines for the prevention, diagnosis, and treatment of ne...

Sector: Pharmaceutical Preparations
Market Cap: $305.82M
Forward P/E: -5.0
52-Week Range: $2.10 - $4.00
Employees: 172

Overall Confidence: 67%

67% 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 1.2% on average.

✅ Move Confirmation

MODERATE VOLUME 1.4x average volume

NORMAL - This move is backed by significant volume and appears sustainable.

📍 Sector Context

Pharmaceutical Preparations sector: -1.3%

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

Market Comparison

ACIU is significantly underperforming the market (-5.0% vs SPY)
S&P 500
SPY
+0.74%
Nasdaq 100
QQQ
+1.02%
ACIU
This Stock
-4.27%
vs S&P 500: -5.01%
vs Nasdaq: -5.29%

📊 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, ACIU is expected to trade between:
$2.61 - $2.74

Key Level to Watch

$2.56 support
Watch for breakdown below $2.69

🔔 Get ACIU Alerts

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

Last updated: Oct 02, 2026 8:33 PM (1046 minutes ago)
Data refreshes every 30 minutes during market hours

Historical Context

ACIU has moved more than 3.0% down on 52 occasions in the past year.

40.4%
Continuation Rate
21/52 times continued down
+0.45%
Avg Next Day Change
After similar down moves
Last similar move: Sep 25, 2026 (-5.3%) → Next day: +3.6%

Frequently Asked Questions

Why is ACIU stock down today?

This appears to be a sector-wide move. The Pharmaceutical Preparations sector is down 1.2% on average.

Is ACIU stock a buy or sell right now?

Based on current analysis, ACIU shows 67% confidence in today's move. Volume is moderate which supports the trend. View full buy/sell analysis →

What is the ACIU stock price target?

ACIU is currently trading at $2.69. Based on today's momentum, the expected short-term range is $2.61 - $2.74. See long-term price prediction →

Will ACIU stock continue falling?

Our analysis shows a 45% probability that ACIU's move continues in the next 1-3 days. Key level to watch: $2.56 (support).

Is ACIU stock oversold or overbought?

ACIU's RSI (Relative Strength Index) is currently at 52.6. This shows bullish momentum - the stock has positive momentum but isn't overextended yet.

What is the momentum for ACIU stock?

ACIU's 10-day momentum indicator is at 0.1. Positive momentum - the stock has mild upward pressure supporting the current trend.

Is ACIU outperforming or underperforming the market?

ACIU (-4.27%) is currently significantly underperforming the market (-5.0% vs SPY). Today, the S&P 500 (SPY) is up 0.74%, and Nasdaq (QQQ) is up 1.02%.

What does MACD indicate for ACIU?

ACIU's MACD (0.01) is currently below the signal line (0.01), indicating a bearish trend. This technical signal suggests selling pressure is dominant. The trend strength (ADX: 13.7) is weak.

Is ACIU in an uptrend or downtrend?

Based on moving average analysis, ACIU is in a bullish trend. The price ($2.69) is trading above both the 20-day SMA ($2.7) and 50-day SMA ($2.6). This alignment typically indicates sustained upward momentum.

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