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Amphastar Pharmaceuticals, Inc. AMPH

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Price alert · AMPH

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29.37 USD +0.50 (+1.73%)

Regular-session close

29.37 0.00 0.00%

After hours · Nov 13, 4:00 PM ET

28.84 Day range 29.73
16.87 52-week range 29.40
YTD
+9.67%
1 year
+11.38%

AMPH price history

AMPH daily prices, last three months
DateOpenHighLowCloseChangeChange %Volume
Nov 13, 202629.0529.7328.8429.37+0.50+1.73%380,761
Nov 12, 202628.7729.0128.5828.87+0.27+0.94%374,906
Nov 11, 202628.8729.3028.5028.60-0.46-1.58%497,700
Nov 10, 202628.7529.4028.5129.06-0.32-1.09%484,800
Nov 9, 202628.7429.7028.5029.38+0.89+3.12%635,800
Nov 6, 202629.4431.0027.8028.49+0.83+3.00%826,300
Nov 5, 202628.3129.2127.4327.66-0.36-1.28%606,400
Nov 4, 202627.3728.5727.0928.02+0.90+3.32%644,800
Nov 3, 202627.0427.3926.8527.12+0.09+0.33%550,200
Nov 2, 202627.7227.8026.6927.03-0.69-2.49%497,700
Oct 30, 202627.1227.8026.7627.72+0.79+2.93%664,500
Oct 29, 202626.8427.0026.4526.93+0.60+2.28%371,400
Oct 28, 202625.3626.3625.3626.33+0.76+2.97%397,300
Oct 27, 202625.3825.7025.2925.57+0.10+0.39%323,900
Oct 26, 202625.2725.6525.2225.47+0.33+1.31%225,200
Oct 23, 202625.9125.9124.6225.14-0.90-3.46%483,100
Oct 22, 202626.2526.5025.9226.04-0.16-0.61%315,000
Oct 21, 202625.6926.3525.5126.20+0.26+1.00%390,200
Oct 20, 202626.2426.6125.8225.94-0.20-0.77%360,200
Oct 19, 202625.6326.3125.6326.14+0.27+1.04%299,500
Oct 16, 202626.6126.6125.5225.87-0.55-2.08%352,100
Oct 15, 202626.3827.1026.1326.42+0.34+1.30%352,300
Oct 14, 202625.8926.5725.8926.08+0.03+0.12%364,700
Oct 13, 202626.9127.0026.0326.05-0.71-2.65%326,500
Oct 12, 202626.6226.8626.5126.76+0.14+0.53%362,800
Oct 9, 202625.7326.7925.6526.62+0.81+3.14%437,700
Oct 8, 202625.3926.1425.1025.81+0.27+1.06%423,500
Oct 7, 202625.9126.1725.2925.54-0.37-1.43%776,300
Oct 6, 202625.5426.1325.0325.91+0.54+2.13%469,100
Oct 5, 202625.4325.7025.1725.37-0.06-0.24%454,500
Oct 2, 202625.4625.5525.0625.43+0.08+0.32%374,200
Oct 1, 202625.6026.0225.3025.35-0.46-1.78%531,000
Sep 30, 202626.7326.7925.7725.81-0.87-3.26%509,400
Sep 29, 202627.5927.6426.5226.68-0.71-2.59%632,000
Sep 28, 202625.9927.8025.9627.39+1.26+4.82%747,900
Sep 25, 202626.2526.6325.6626.13-0.14-0.53%376,900
Sep 24, 202624.8126.3124.6526.27+1.31+5.25%572,100
Sep 23, 202624.3925.1224.2024.96+0.64+2.63%508,100
Sep 22, 202624.6024.8324.0024.32-0.16-0.65%522,400
Sep 21, 202623.5425.4123.4524.48+0.86+3.64%595,800
Sep 18, 202623.6923.9923.5123.62-0.20-0.84%1,453,800
Sep 17, 202624.0824.1823.5023.82-0.13-0.54%465,600
Sep 16, 202623.6424.3923.4923.95+0.31+1.31%503,900
Sep 15, 202623.7523.9423.5623.64-0.27-1.13%354,400
Sep 14, 202623.8424.2823.5623.91+0.13+0.55%474,900
Sep 11, 202623.6523.8023.2423.78+0.24+1.02%410,900
Sep 10, 202623.0023.6922.7623.54+0.50+2.17%515,000
Sep 9, 202622.8423.0722.5723.04+0.11+0.48%351,600
Sep 8, 202622.8223.1422.3022.93-0.25-1.08%460,000
Sep 4, 202623.4723.7423.0723.18-0.66-2.77%650,100
Sep 3, 202623.8823.9223.0423.84+0.10+0.42%469,800
Sep 2, 202623.0523.8323.0323.74+0.78+3.40%456,700
Sep 1, 202622.5923.0522.5922.96+0.43+1.91%551,000
Aug 31, 202621.8622.6521.5222.53+0.52+2.36%274,000
Aug 28, 202621.8822.1521.6922.01+0.13+0.59%224,500
Aug 27, 202621.6921.9721.6321.88-0.14-0.64%259,800
Aug 26, 202621.8622.4421.7222.02+0.04+0.18%395,600
Aug 25, 202621.5022.0721.4121.98+0.46+2.14%283,800
Aug 24, 202621.6021.8121.2621.52-0.08-0.37%210,300
Aug 21, 202621.6422.2021.4421.60-0.08-0.37%376,600
Aug 20, 202621.3821.7621.2421.68-0.06-0.28%338,700
Aug 19, 202621.6421.9921.1521.74+0.40+1.87%410,800
Aug 18, 202621.1121.5921.0821.34+0.48+2.30%411,800
Aug 17, 202620.9021.2320.7720.86-0.05-0.24%533,500
Aug 14, 202620.0221.0719.8920.91+0.73+3.62%305,700

65 days, newest first. Daily bars as drawn on the AMPH chart; change is against the previous day's close. Open, high, low and volume are in the download and on a wider screen.