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AC Immune (ACIU) Stock Chart & Stock Price History

AC Immune logo
$2.50 -0.05 (-1.96%)
Closing price 10/9/2026 04:00 PM Eastern
Extended Trading
$2.50 0.00 (0.00%)
As of 10/9/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

AC Immune Stock Price Performance

The AC Immune (ACIU) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 29.58%, with a year-to-date return of -20.38%. In the past month, the stock has decreased 7.06%, reflecting recent market activity.

As of the latest close, AC Immune traded at $2.50 with a market cap of $254.44 million and volume of 271,324 shares. Five years ago, the stock traded at $6.45, representing a 61.24% decrease over that period. At the time, it had a market cap of $468.61 million and a volume of 205,643 shares.

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5 Day
Performance
-7.75%
1 Month
Performance
-7.06%
3 Month
Performance
+4.60%
Year-To-Date
Performance
-20.38%
1 Year
Performance
-29.58%
5 Year
Performance
-61.24%

ACIU Stock Chart for Saturday, October, 10, 2026

AC Immune Stock Price History

Price Date
0 Results
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
10/09/2026$2.55$2.50
-1.96%
$2.59$2.47271,324 shs$254.44 million
10/08/2026$2.57$2.55
-0.78%
$2.61$2.50231,858 shs$259.51 million
10/07/2026$2.52$2.57
+1.98%
$2.59$2.50125,058 shs$261.55 million
10/06/2026$2.71$2.52
-7.01%
$2.72$2.51277,836 shs$256.47 million
10/05/2026$2.72$2.71
-0.37%
$2.75$2.65221,379 shs$275.80 million
10/02/2026$2.81$2.72
-3.20%
$2.88$2.69320,246 shs$276.81 million
10/01/2026$2.62$2.81
+7.25%
$2.84$2.57352,695 shs$285.97 million
09/30/2026$2.60$2.62
+0.77%
$2.75$2.61199,644 shs$266.64 million
09/29/2026$2.61$2.60
-0.38%
$2.66$2.56134,227 shs$264.60 million
09/28/2026$2.52$2.61
+3.57%
$2.62$2.41188,868 shs$265.62 million
09/25/2026$2.66$2.52
-5.26%
$2.66$2.45323,579 shs$256.46 million
09/24/2026$2.83$2.66
-6.01%
$2.85$2.66265,286 shs$270.71 million
09/23/2026$2.73$2.83
+3.66%
$2.91$2.67491,783 shs$288.02 million
09/22/2026$2.65$2.73
+3.02%
$2.75$2.6678,091 shs$277.83 million
09/21/2026$2.63$2.65
+0.76%
$2.72$2.57109,423 shs$269.69 million
09/18/2026$2.68$2.63
-1.87%
$2.81$2.6368,460 shs$267.66 million
09/17/2026$2.65$2.68
+1.13%
$2.74$2.6693,346 shs$272.75 million
09/16/2026$2.68$2.65
-1.12%
$2.73$2.61124,398 shs$269.69 million
09/15/2026$2.66$2.68
+0.75%
$2.70$2.5993,529 shs$272.74 million
09/14/2026$2.76$2.66
-3.62%
$2.75$2.66111,830 shs$270.72 million
09/11/2026$2.69$2.76
+2.60%
$2.78$2.68105,361 shs$280.90 million
09/10/2026$2.76$2.69
-2.54%
$2.77$2.68157,531 shs$273.76 million

This page (NASDAQ:ACIU) was last updated on 10/9/2026 by MarketBeat.com Staff.
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