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Amphastar Pharmaceuticals (AMPH)
NASDAQ:AMPH
US Market
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Amphastar Pharmaceuticals (AMPH) Historical Prices

436 Followers
Time Period
1Y
Events
Historical Prices
Historical Prices
Rows:
50
Date
Open
High
Low
Close
Adj Close
% Change
Volume
Relative Volume
Oct 28, 2026
25.36
26.36
25.36
26.33
26.33
+2.97%
397,259
0.88
Oct 27, 2026
25.38
25.70
25.29
25.57
25.57
+0.39%
323,925
0.72
Oct 26, 2026
25.27
25.65
25.22
25.47
25.47
+1.31%
225,240
0.50
Oct 23, 2026
25.91
25.91
24.62
25.14
25.14
-3.46%
483,089
1.07
Oct 22, 2026
26.25
26.50
25.92
26.04
26.04
-0.61%
315,004
0.70
Oct 21, 2026
25.69
26.35
25.51
26.20
26.20
+1.00%
390,205
0.86
Oct 20, 2026
26.24
26.61
25.82
25.94
25.94
-0.77%
361,336
0.79
Oct 19, 2026
25.63
26.31
25.63
26.14
26.14
+1.04%
299,509
0.65
Oct 16, 2026
26.61
26.61
25.52
25.87
25.87
-2.08%
351,983
0.76
Oct 15, 2026
26.38
27.10
26.13
26.42
26.42
+1.30%
352,436
0.76
Oct 14, 2026
25.89
26.57
25.89
26.08
26.08
+0.12%
364,655
0.78
Oct 13, 2026
26.91
27.00
26.03
26.05
26.05
-2.65%
326,547
0.70
Oct 12, 2026
26.62
26.86
26.51
26.76
26.76
+0.53%
362,818
0.78
Oct 09, 2026
25.73
26.79
25.65
26.62
26.62
+3.14%
437,696
0.94
Oct 08, 2026
25.39
26.14
25.10
25.81
25.81
+1.06%
423,536
0.91
Oct 07, 2026
25.91
26.17
25.29
25.54
25.54
-1.43%
776,285
1.70
Oct 06, 2026
25.54
26.13
25.03
25.91
25.91
+2.13%
469,146
1.03
Oct 05, 2026
25.43
25.70
25.17
25.37
25.37
-0.24%
453,640
0.99
Oct 02, 2026
25.46
25.55
25.06
25.43
25.43
+0.32%
374,220
0.82
Oct 01, 2026
25.60
26.02
25.30
25.35
25.35
-1.78%
528,692
1.16
Sep 30, 2026
26.73
26.79
25.77
25.81
25.81
-3.26%
509,363
1.14
Sep 29, 2026
27.59
27.64
26.52
26.68
26.68
-2.59%
631,997
1.43
Sep 28, 2026
25.99
27.80
25.96
27.39
27.39
+4.82%
751,801
1.73
Sep 25, 2026
26.25
26.63
25.66
26.13
26.13
-0.53%
376,921
0.86
Sep 24, 2026
24.81
26.31
24.65
26.27
26.27
+5.25%
572,080
1.30
Sep 23, 2026
24.39
25.12
24.20
24.96
24.96
+2.63%
508,095
1.15
Sep 22, 2026
24.60
24.83
24.00
24.32
24.32
-0.65%
522,394
1.19
Sep 21, 2026
23.54
25.41
23.45
24.48
24.48
+3.64%
595,754
1.35
Sep 18, 2026
23.69
23.99
23.51
23.62
23.62
-0.84%
1,455,803
3.40
Sep 17, 2026
24.08
24.18
23.50
23.82
23.82
-0.54%
451,995
1.04
Sep 16, 2026
23.64
24.39
23.49
23.95
23.95
+1.31%
503,880
1.13
Sep 15, 2026
23.75
23.94
23.56
23.64
23.64
-1.13%
354,415
0.78
Sep 14, 2026
23.84
24.28
23.56
23.91
23.91
+0.55%
474,878
1.03
Sep 11, 2026
23.65
23.80
23.24
23.78
23.78
+1.02%
410,954
0.89
Sep 10, 2026
23.00
23.69
22.76
23.54
23.54
+2.17%
514,990
1.12
Sep 09, 2026
22.84
23.07
22.57
23.04
23.04
+0.48%
351,601
0.76
Sep 08, 2026
22.82
23.14
22.30
22.93
22.93
-1.08%
460,015
1.00
Sep 07, 2026
23.47
23.74
23.07
23.18
23.18
0.00%
0
0.00
Sep 04, 2026
23.47
23.74
23.07
23.18
23.18
-2.77%
650,129
1.39
Sep 03, 2026
23.88
23.92
23.04
23.84
23.84
+0.42%
432,319
0.91
Sep 02, 2026
23.05
23.83
23.03
23.74
23.74
+3.40%
456,779
0.97
Sep 01, 2026
22.59
23.05
22.59
22.96
22.96
+1.91%
349,055
0.73
Aug 31, 2026
21.86
22.65
21.52
22.53
22.53
+2.36%
274,025
0.57
Aug 28, 2026
21.88
22.15
21.69
22.01
22.01
+0.59%
224,528
0.46
Aug 27, 2026
21.69
21.97
21.63
21.88
21.88
-0.64%
259,787
0.52
Aug 26, 2026
21.86
22.44
21.72
22.02
22.02
+0.18%
395,610
0.79
Aug 25, 2026
21.50
22.07
21.41
21.98
21.98
+2.14%
283,773
0.56
Aug 24, 2026
21.60
21.81
21.26
21.52
21.52
-0.37%
210,263
0.41
Aug 21, 2026
21.64
22.20
21.44
21.60
21.60
-0.37%
376,558
0.73
Aug 20, 2026
21.38
21.76
21.24
21.68
21.68
-0.28%
338,696
0.63
Rows:
50