ACIU
AC IMMUNE N (ACIU)
NASDAQ
$2.50+$0.02 (+1.01%)
Price as of Oct 22, 2026 7:30 PM EDT
  • $271.9M
    Market Cap
  • -7.49%
    1-Year Change
  • Biotechnology
    Industry
  • 1 Month
    -6.97%
    Low Price$2.39
    High Price$2.83
  • 3 Months
    +7.39%
    Low Price$2.19
    High Price$2.93
  • 1 Year
    -7.49%
    Low Price$2.12
    High Price$3.84
Date
Open
High
Low
Close
Change (%)
Volume
10/21/2026
2.46
2.52
2.46
2.47
-0.80%
89,036
10/20/2026
2.41
2.53
2.40
2.49
+2.26%
140,104
10/19/2026
2.38
2.44
2.37
2.44
+1.88%
88,822
10/16/2026
2.45
2.47
2.38
2.39
-2.45%
126,849
10/15/2026
2.43
2.46
2.38
2.45
+2.08%
86,886
10/14/2026
2.37
2.41
2.35
2.40
0.00%
209,775
10/13/2026
2.43
2.44
2.39
2.40
-2.04%
194,919
10/12/2026
2.50
2.50
2.42
2.45
-2.00%
148,474
10/09/2026
2.55
2.59
2.48
2.50
-1.96%
271,325
10/08/2026
2.57
2.61
2.50
2.55
-0.78%
231,857
10/07/2026
2.52
2.59
2.50
2.57
+1.98%
125,080
10/06/2026
2.72
2.72
2.51
2.52
-7.01%
277,841
10/05/2026
2.68
2.75
2.65
2.71
-0.55%
221,399
10/02/2026
2.84
2.88
2.69
2.73
-3.02%
320,257
10/01/2026
2.64
2.84
2.57
2.81
+7.25%
352,697
09/30/2026
2.63
2.75
2.61
2.62
+0.77%
199,646
09/29/2026
2.65
2.66
2.56
2.60
-0.38%
139,228
09/28/2026
2.52
2.62
2.41
2.61
+3.57%
189,115
09/25/2026
2.66
2.66
2.45
2.52
-5.26%
323,580
09/24/2026
2.85
2.85
2.66
2.66
-6.01%
265,287
09/23/2026
2.90
2.91
2.67
2.83
+3.66%
492,823
09/22/2026
2.69
2.75
2.66
2.73
+2.82%
78,091
09/21/2026
2.63
2.72
2.57
2.66
+0.95%
109,425
09/18/2026
2.69
2.81
2.63
2.63
-1.87%
68,461
09/17/2026
2.71
2.74
2.66
2.68
+1.13%
93,347
09/16/2026
2.68
2.73
2.61
2.65
-1.12%
124,399
09/15/2026
2.65
2.70
2.59
2.68
+0.75%
93,530
09/14/2026
2.69
2.75
2.66
2.66
-3.62%
111,832
09/11/2026
2.70
2.78
2.68
2.76
+2.60%
105,369
09/10/2026
2.74
2.77
2.68
2.69
-2.54%
157,532
09/09/2026
2.78
2.81
2.73
2.76
-0.72%
146,572
09/08/2026
2.82
2.85
2.77
2.78
-2.80%
100,863
09/04/2026
2.91
2.94
2.82
2.86
-2.39%
155,628
09/03/2026
2.85
3.00
2.85
2.93
+3.17%
171,765
09/02/2026
2.70
2.87
2.70
2.84
+5.97%
257,176
09/01/2026
2.62
2.68
2.58
2.68
+1.52%
103,465
08/31/2026
2.67
2.74
2.61
2.64
-0.38%
132,959
08/28/2026
2.73
2.77
2.65
2.65
-2.21%
105,711
08/27/2026
2.83
2.91
2.69
2.71
-4.91%
169,433
08/26/2026
2.94
2.98
2.77
2.85
-2.40%
269,061
08/25/2026
2.85
2.97
2.85
2.92
+2.10%
241,303
08/24/2026
2.91
3.00
2.80
2.86
-1.38%
371,172
08/21/2026
2.66
2.95
2.65
2.90
+9.85%
442,012
08/20/2026
2.60
2.65
2.44
2.64
+2.33%
237,111
08/19/2026
2.60
2.69
2.57
2.58
+0.39%
280,709
08/18/2026
2.54
2.59
2.51
2.57
+1.58%
90,230
08/17/2026
2.49
2.57
2.47
2.53
+1.61%
104,648
08/14/2026
2.58
2.58
2.43
2.49
-3.11%
133,235
08/13/2026
2.59
2.65
2.55
2.57
-1.91%
217,307
08/12/2026
2.58
2.64
2.52
2.62
+3.15%
380,456
08/11/2026
2.38
2.70
2.35
2.54
+11.40%
1,057,122
08/10/2026
2.36
2.37
2.28
2.28
-3.39%
105,419
08/07/2026
2.36
2.37
2.30
2.36
+1.72%
76,946
08/06/2026
2.28
2.36
2.28
2.32
+1.31%
70,334
08/05/2026
2.28
2.37
2.27
2.29
+0.88%
145,223
08/05/2026
$0.03 Earnings
08/04/2026
2.25
2.29
2.23
2.27
+2.25%
106,019
08/03/2026
2.24
2.27
2.18
2.22
+1.37%
118,334
07/31/2026
2.40
2.40
2.18
2.19
-7.59%
228,984
07/30/2026
2.30
2.41
2.25
2.37
+4.41%
245,777
07/29/2026
2.29
2.32
2.25
2.27
-2.16%
61,335
07/28/2026
2.31
2.32
2.24
2.32
+0.87%
104,138
07/27/2026
2.23
2.34
2.19
2.30
+3.14%
130,799
07/24/2026
2.30
2.32
2.16
2.23
-0.45%
384,397
07/23/2026
2.26
2.27
2.18
2.24
-1.32%
79,276
07/22/2026
2.27
2.34
2.20
2.27
-1.30%
245,506
07/21/2026
2.21
2.32
2.21
2.30
+2.22%
94,875
07/20/2026
2.19
2.26
2.17
2.25
+2.27%
206,955
07/17/2026
2.20
2.20
2.12
2.20
+0.92%
356,184
07/16/2026
2.35
2.35
2.16
2.18
-7.63%
238,883
07/15/2026
2.43
2.44
2.36
2.36
-2.07%
64,290
07/14/2026
2.45
2.51
2.41
2.41
-1.63%
162,523
07/13/2026
2.42
2.45
2.35
2.45
+2.51%
250,034
07/10/2026
2.60
2.60
2.39
2.39
-8.08%
199,780
07/09/2026
2.51
2.62
2.50
2.60
+3.17%
289,856
07/08/2026
2.52
2.59
2.47
2.52
-0.79%
164,076
07/07/2026
2.59
2.60
2.49
2.54
+1.20%
141,480
07/06/2026
2.51
2.63
2.47
2.51
0.00%
269,247
07/02/2026
2.37
2.52
2.35
2.51
+5.46%
364,873
07/01/2026
2.34
2.44
2.15
2.38
0.00%
687,329
06/30/2026
2.50
2.54
2.31
2.38
-10.53%
585,845
06/29/2026
2.59
2.66
2.53
2.66
+3.91%
142,387
06/26/2026
2.44
2.56
2.44
2.56
+4.49%
259,239
06/25/2026
2.55
2.55
2.43
2.45
-3.54%
173,467
06/24/2026
2.45
2.62
2.44
2.54
+3.67%
463,313
06/23/2026
2.49
2.58
2.44
2.45
-2.00%
149,451
06/22/2026
2.45
2.57
2.44
2.50
+4.17%
350,321
06/18/2026
2.40
2.43
2.34
2.40
+2.56%
213,330
06/17/2026
2.36
2.41
2.33
2.34
-1.27%
180,679
06/16/2026
2.37
2.40
2.31
2.37
+1.28%
124,115
06/15/2026
2.31
2.40
2.31
2.34
+1.30%
145,140
06/12/2026
2.28
2.36
2.25
2.31
+2.21%
266,692
06/11/2026
2.16
2.26
2.12
2.26
+6.60%
444,229
06/10/2026
2.22
2.22
2.10
2.12
-6.19%
560,621
06/09/2026
2.19
2.27
2.10
2.26
+3.20%
575,654
06/08/2026
2.27
2.28
2.18
2.19
-2.67%
296,592
06/05/2026
2.39
2.46
2.22
2.25
-6.25%
328,076
06/04/2026
2.41
2.45
2.37
2.40
+0.42%
218,565
06/03/2026
2.40
2.43
2.34
2.39
-1.24%
252,110
06/02/2026
2.46
2.47
2.33
2.42
-1.63%
546,074