NASDAQ:ACIU

Ac Immune Sa Stock Price (Quote)

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$2.45
-0.0500 (-2.00%)
At Close: Jun 23, 2026

Range Low Price High Price Comment
30 days $2.10 $3.03 Tuesday, 23rd Jun 2026 ACIU stock ended at $2.45. This is 2.00% less than the trading day before Monday, 22nd Jun 2026. During the day the stock fluctuated 5.13% from a day low at $2.44 to a day high of $2.56.
90 days $2.10 $3.49
52 weeks $1.74 $4.00

Historical AC Immune SA prices

Date Open High Low Close Volume
Jun 23, 2026 $2.55 $2.56 $2.44 $2.45 148 900
Jun 22, 2026 $2.45 $2.57 $2.44 $2.50 342 827
Jun 18, 2026 $2.40 $2.43 $2.34 $2.40 212 577
Jun 17, 2026 $2.36 $2.41 $2.33 $2.34 180 349
Jun 16, 2026 $2.36 $2.40 $2.31 $2.37 124 100
Jun 15, 2026 $2.31 $2.40 $2.31 $2.34 144 129
Jun 12, 2026 $2.27 $2.36 $2.25 $2.31 266 472
Jun 11, 2026 $2.16 $2.26 $2.12 $2.26 442 558
Jun 10, 2026 $2.22 $2.22 $2.10 $2.12 559 917
Jun 09, 2026 $2.19 $2.27 $2.10 $2.26 575 647
Jun 08, 2026 $2.27 $2.28 $2.19 $2.19 296 551
Jun 05, 2026 $2.39 $2.46 $2.22 $2.25 327 527
Jun 04, 2026 $2.41 $2.45 $2.37 $2.40 218 565
Jun 03, 2026 $2.40 $2.43 $2.34 $2.39 250 398
Jun 02, 2026 $2.46 $2.47 $2.33 $2.42 545 266
Jun 01, 2026 $2.67 $2.78 $2.45 $2.46 449 671
May 29, 2026 $2.73 $2.80 $2.65 $2.66 291 872
May 28, 2026 $2.92 $2.92 $2.75 $2.75 196 363
May 27, 2026 $2.90 $3.03 $2.90 $2.93 173 665
May 26, 2026 $2.84 $3.03 $2.82 $2.93 305 669
May 22, 2026 $2.87 $2.91 $2.82 $2.83 77 947
May 21, 2026 $2.80 $2.87 $2.77 $2.85 146 424
May 20, 2026 $2.82 $2.94 $2.75 $2.89 173 917
May 19, 2026 $2.72 $2.85 $2.70 $2.82 272 082
May 18, 2026 $2.83 $2.90 $2.74 $2.77 224 826

FAQ

What are historical stock prices?
Historical stock prices refer to a stock’s recorded prices at various past points. These prices include several key figures that help investors and analysts evaluate a stock’s performance over time:
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.

Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.

How can I use ACIU stock historical prices to predict future price movements?
Trend Analysis: Examine the ACIU stock’s historical trends to identify patterns that might continue.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.

What impact do stock splits have on historical price data?
When a company performs a stock split, it adjusts the historical price data to reflect the new, lower trading price as if it had always been that way.

This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.

A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.

Why do the ACIU stock historical prices show a range for periods like 30 days, 90 days, and 52 weeks?
The range provides the lowest and highest prices at which the stock has traded during the specified period. This helps investors understand the stock’s volatility and price variability within that timeframe.

How can I use historical price volatility to assess risk?
High price volatility historically indicates higher risk and potentially higher returns. Investors can gauge the stock’s risk level by examining the range between high and low prices over various periods.
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ABOUT AC IMMUNE SA
AC Immune SA
AC Immune SA, a clinical stage biopharmaceutical company, discovers, designs, and develops medicines and diagnostic products for the prevention and treatment of neurodegenerative diseases associated with protein misfolding. Its SupraAntigen and Morphomer platforms are designed to generate vaccines, antibodies, and small molecules, which selectively interact with misfolded proteins that are common in a range of neurodegenerative diseases. The comp...
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