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AMPH
Amphastar Pharmaceuticals, Inc.
stock NASDAQ

At Close

Sep 30, 2026 3:59:54 PM EDT

25.78USD-3.373%(-0.90)509,363

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 29, 2026 9:25:30 AM EDT

27.70USD+3.823%(+1.02)0

After-hours

0.00USD0.000%(0.00)0

OverviewOptionsHistoricalExchangesShortsMore

Date (EDT)	Open	High	Low	Close	Change	Volume	Change Since
2026-09-30	26.7300	26.7900	25.770000	25.8100	-3.261%	509,363	0.000%
2026-09-29	27.5850	27.6400	26.515000	26.6800	-2.592%	631,997	-3.261%
2026-09-28	25.9900	27.7999	25.955000	27.3900	+4.822%	751,802	-5.769%
2026-09-25	26.2500	26.6300	25.660000	26.1300	-0.533%	376,922	-1.225%
2026-09-24	24.8100	26.3100	24.645000	26.2700	+5.248%	572,081	-1.751%
2026-09-23	24.3900	25.1150	24.200000	24.9600	+2.632%	508,095	+3.405%
2026-09-22	24.6000	24.8300	24.000000	24.3200	-0.654%	522,394	+6.127%
2026-09-21	23.5400	25.4100	23.450000	24.4800	+3.641%	595,754	+5.433%
2026-09-18	23.6900	23.9900	23.510000	23.6200	-0.840%	1,455,804	+9.272%
2026-09-17	24.0800	24.1800	23.495000	23.8200	-0.543%	465,642	+8.354%
2026-09-16	23.6400	24.3900	23.490300	23.9500	+1.311%	503,881	+7.766%
2026-09-15	23.7500	23.9380	23.560000	23.6400	-1.129%	354,415	+9.179%
2026-09-14	23.8400	24.2800	23.555000	23.9100	+0.547%	474,879	+7.946%
2026-09-11	23.6500	23.8000	23.240000	23.7800	+1.020%	410,954	+8.537%
2026-09-10	23.0000	23.6900	22.755000	23.5400	+2.170%	514,991	+9.643%
2026-09-09	22.8400	23.0700	22.574800	23.0400	+0.480%	351,602	+12.023%
2026-09-08	22.8200	23.1400	22.300000	22.9300	-1.079%	460,015	+12.560%
2026-09-04	23.4700	23.7400	23.070000	23.1800	-2.768%	650,129	+11.346%
2026-09-03	23.8750	23.9200	23.040000	23.8400	+0.421%	469,752	+8.263%
2026-09-02	23.0500	23.8300	23.027500	23.7400	+3.397%	456,779	+8.719%
2026-09-01	22.5900	23.0500	22.590000	22.9600	+1.909%	550,980	+12.413%
2026-08-31	21.8600	22.6500	21.520000	22.5300	+2.363%	274,026	+14.558%
2026-08-28	21.8800	22.1500	21.690000	22.0100	+0.594%	224,533	+17.265%
2026-08-27	21.6900	21.9700	21.625000	21.8800	-0.636%	259,788	+17.962%
2026-08-26	21.8600	22.4350	21.715000	22.0200	+0.182%	395,610	+17.212%
2026-08-25	21.5000	22.0699	21.405000	21.9800	+2.138%	283,774	+17.425%
2026-08-24	21.6000	21.8100	21.260100	21.5200	-0.370%	210,264	+19.935%
2026-08-21	21.6400	22.2000	21.440000	21.6000	-0.369%	376,558	+19.491%
2026-08-20	21.3800	21.7600	21.240000	21.6800	-0.276%	338,697	+19.050%
2026-08-19	21.6400	21.9900	21.145000	21.7400	+1.874%	410,772	+18.721%
2026-08-18	21.1100	21.5900	21.075000	21.3400	+2.301%	411,880	+20.947%
2026-08-17	20.9000	21.2300	20.770000	20.8600	-0.239%	533,505	+23.730%
2026-08-14	20.0200	21.0700	19.890000	20.9100	+3.617%	305,682	+23.434%
2026-08-13	20.1800	20.2700	19.840000	20.1800	+1.001%	526,117	+27.899%
2026-08-12	20.1600	20.2150	19.610000	19.9800	-2.155%	343,844	+29.179%
2026-08-11	20.0000	20.5700	20.000000	20.4200	+0.542%	570,493	+26.396%
2026-08-10	20.7400	20.9000	19.550000	20.3100	-2.262%	645,750	+27.080%
2026-08-07	22.4800	22.6450	20.400000	20.7800	+4.897%	1,300,995	+24.206%
2026-08-06	20.2200	20.2500	19.602300	19.8100	-2.125%	527,334	+30.288%
2026-08-05	20.0600	20.2800	19.880000	20.2400	+1.709%	351,618	+27.520%
2026-08-04	20.1100	20.3800	19.860000	19.9000	-1.583%	481,649	+29.698%
2026-08-03	20.1100	20.4550	19.700000	20.2200	+1.404%	413,179	+27.646%
2026-07-31	20.3500	20.4100	19.665000	19.9400	-2.159%	367,629	+29.438%
2026-07-30	20.3100	20.5250	19.950000	20.3800	-0.972%	355,684	+26.644%
2026-07-29	20.2400	20.7000	19.985000	20.5800	+2.134%	321,673	+25.413%
2026-07-28	19.3800	20.2700	19.380000	20.1500	+5.057%	390,837	+28.089%
2026-07-27	18.9700	19.3100	18.960000	19.1800	+2.457%	285,920	+34.567%
2026-07-24	18.9000	19.1200	18.500000	18.7200	-0.795%	445,685	+37.874%
2026-07-23	19.0800	19.3400	18.730000	18.8700	-2.228%	650,431	+36.778%
2026-07-22	19.7100	19.9500	19.200000	19.3000	-1.480%	409,242	+33.731%
2026-07-21	19.4200	19.8900	19.420000	19.5900	-0.204%	621,074	+31.751%
2026-07-20	19.7800	19.9100	19.517600	19.6300	-0.582%	437,416	+31.482%
2026-07-17	19.8400	20.3500	19.630000	19.7450	-0.579%	338,457	+30.717%
2026-07-16	19.4000	20.1400	19.400000	19.8600	+2.371%	416,861	+29.960%
2026-07-15	18.8700	19.5000	18.830000	19.4000	+3.164%	356,090	+33.041%
2026-07-14	19.1000	19.3850	18.455000	18.8050	-2.514%	321,518	+37.251%
2026-07-13	19.0000	19.6800	18.950000	19.2900	+3.045%	384,540	+33.800%
2026-07-10	18.9700	19.1500	18.605000	18.7200	-1.577%	311,051	+37.874%
2026-07-09	18.8600	19.1300	18.610100	19.0200	+0.742%	446,629	+35.699%
2026-07-08	19.9600	19.9600	18.520000	18.8800	-5.976%	438,665	+36.706%
2026-07-07	20.0600	20.2800	19.740000	20.0800	+2.397%	449,984	+28.536%
2026-07-06	19.4800	20.0050	19.080000	19.6100	-0.153%	313,782	+31.617%
2026-07-02	20.3500	20.3500	19.630000	19.6400	-2.289%	315,754	+31.415%
2026-07-01	20.3200	20.5350	19.905000	20.1000	-0.396%	422,007	+28.408%
2026-06-30	20.7100	20.7100	19.860000	20.1800	-2.559%	400,207	+27.899%
2026-06-29	21.1200	21.2350	19.660000	20.7100	-4.913%	727,089	+24.626%
2026-06-26	21.0100	21.8050	20.880000	21.7800	+3.517%	623,978	+18.503%
2026-06-25	21.0000	22.0000	20.790000	21.0400	+0.095%	481,265	+22.671%
2026-06-24	19.7700	21.0900	19.770000	21.0200	+7.629%	701,214	+22.788%
2026-06-23	18.6100	19.5800	18.500000	19.5300	+6.547%	660,872	+32.156%
2026-06-22	18.8000	18.8950	18.220000	18.3300	-2.552%	767,439	+40.807%
2026-06-18	19.5100	19.6600	18.700000	18.8100	-3.091%	1,327,603	+37.214%
2026-06-17	19.9400	20.2600	19.150000	19.4100	-2.756%	1,008,517	+32.973%
2026-06-16	19.9100	20.4050	19.615000	19.9600	+1.268%	724,209	+29.309%
2026-06-15	20.1100	20.2850	19.590000	19.7100	-1.891%	528,513	+30.949%
2026-06-12	19.9000	20.5500	19.900000	20.0900	-2.143%	377,789	+28.472%
2026-06-11	20.1500	20.6450	20.100000	20.5300	+1.183%	463,563	+25.718%
2026-06-10	20.2100	20.7700	19.985000	20.2900	+0.645%	405,165	+27.206%
2026-06-09	19.5300	20.2700	19.530000	20.1600	+3.971%	506,257	+28.026%
2026-06-08	19.7500	19.8450	19.335000	19.3900	-1.773%	558,990	+33.110%
2026-06-05	18.8600	20.1420	18.850000	19.7400	+5.561%	750,284	+30.750%
2026-06-04	18.2800	18.8950	18.280000	18.7000	+3.201%	459,232	+38.021%
2026-06-03	18.2600	18.3600	17.730000	18.1200	-1.789%	509,338	+42.439%
2026-06-02	18.3600	18.6700	18.100000	18.4500	+0.163%	810,643	+39.892%
2026-06-01	18.6300	19.0100	18.220000	18.4200	-2.281%	569,686	+40.119%
2026-05-29	19.2800	19.4600	18.550000	18.8500	-2.332%	849,068	+36.923%
2026-05-28	19.0400	19.5500	19.015000	19.3000	+1.047%	621,219	+33.731%
2026-05-27	19.3100	19.3350	18.500000	19.1000	+1.542%	501,592	+35.131%
2026-05-26	18.4500	19.1200	18.450000	18.8100	+2.173%	670,766	+37.214%
2026-05-22	18.2500	18.4400	17.930000	18.4100	+1.377%	485,197	+40.196%
2026-05-21	18.0700	18.3700	17.755000	18.1600	+0.442%	1,656,977	+42.126%
2026-05-20	17.8100	18.1850	17.700000	18.0800	+1.459%	868,757	+42.754%
2026-05-19	17.2800	17.9125	17.000000	17.8200	+3.605%	725,147	+44.837%
2026-05-18	16.7000	17.3100	16.645000	17.2000	+1.956%	866,027	+50.058%
2026-05-15	17.2700	17.5300	16.755000	16.8700	-2.486%	679,289	+52.993%
2026-05-14	17.8100	18.0829	17.260000	17.3000	-5.568%	739,074	+49.191%
2026-05-13	17.5000	18.5650	17.430000	18.3200	+4.686%	971,190	+40.884%
2026-05-12	18.4100	18.5800	17.260000	17.5000	-5.149%	1,219,604	+47.486%
2026-05-11	19.1300	19.4100	18.330000	18.4500	-2.895%	1,359,764	+39.892%
2026-05-08	18.5750	19.5250	18.280000	19.0000	-20.932%	1,983,804	+35.842%
2026-05-07	24.0100	24.3450	23.870000	24.0300	+0.544%	373,521	+7.407%
2026-05-06	23.5000	24.1500	23.500000	23.9000	+2.180%	392,763	+7.992%
2026-05-05	22.8500	23.4600	22.750000	23.3900	+2.858%	366,945	+10.346%
2026-05-04	21.8200	23.2200	21.715000	22.7400	+3.931%	487,140	+13.500%
2026-05-01	21.9800	22.2600	21.635000	21.8800	-0.364%	353,190	+17.962%
2026-04-30	21.6300	22.3600	21.570000	21.9600	+1.526%	407,243	+17.532%
2026-04-29	21.5000	21.8600	21.480000	21.6300	-0.871%	266,941	+19.325%
2026-04-28	21.7100	22.0400	21.560000	21.8200	+0.785%	281,226	+18.286%
2026-04-27	21.4700	22.0600	21.460000	21.6500	+1.121%	329,513	+19.215%
2026-04-24	21.0500	21.6000	20.770000	21.4100	+1.904%	429,703	+20.551%
2026-04-23	20.9900	21.2300	20.765000	21.0100	+0.095%	302,590	+22.846%
2026-04-22	21.4000	21.5900	20.765000	20.9900	-1.037%	410,802	+22.963%
2026-04-21	22.3800	22.6600	21.100000	21.2100	-7.461%	684,192	+21.688%
2026-04-20	22.6700	23.2600	22.540100	22.9200	+0.175%	542,349	+12.609%
2026-04-17	22.1800	23.0000	21.980000	22.8800	+4.906%	537,833	+12.806%
2026-04-16	21.6700	22.0150	21.410000	21.8100	+0.600%	361,313	+18.340%
2026-04-15	21.3800	21.7600	21.190000	21.6800	+1.403%	389,357	+19.050%
2026-04-14	21.3600	21.6950	21.115000	21.3800	+0.094%	343,451	+20.720%
2026-04-13	20.1700	21.4800	20.170000	21.3600	+4.860%	577,874	+20.833%
2026-04-10	20.9800	21.1000	20.140000	20.3700	-2.396%	354,458	+26.706%
2026-04-09	20.3200	21.1899	20.320000	20.8700	+2.304%	519,217	+23.670%
2026-04-08	20.6800	21.0680	20.175000	20.4000	-0.875%	613,466	+26.520%
2026-04-07	20.3900	20.8100	20.260000	20.5800	0.000%	351,464	+25.413%
2026-04-06	20.4500	20.7300	20.040000	20.5800	+0.636%	344,067	+25.413%
2026-04-02	19.9500	20.6550	19.875000	20.4500	+1.038%	390,454	+26.210%
2026-04-01	19.7400	20.3100	19.680000	20.2400	+3.318%	677,388	+27.520%
2026-03-31	19.5300	20.0000	19.270000	19.5900	+1.925%	534,427	+31.751%
2026-03-30	19.1500	19.6700	19.070000	19.2200	+1.105%	410,715	+34.287%
2026-03-27	19.3700	19.6350	18.920000	19.0100	-2.663%	346,016	+35.771%
2026-03-26	19.5000	19.8000	18.979600	19.5300	-0.204%	363,470	+32.156%
2026-03-25	19.4500	19.9591	19.385000	19.5700	+1.768%	317,564	+31.886%
2026-03-24	19.1000	19.5700	18.980000	19.2300	0.000%	367,781	+34.217%
2026-03-23	20.0350	20.0800	19.230000	19.2300	-1.385%	414,859	+34.217%
2026-03-20	19.5600	19.7600	19.150000	19.5000	-0.205%	1,133,341	+32.359%
2026-03-19	19.1000	19.8200	19.060000	19.5400	+2.842%	583,123	+32.088%
2026-03-18	19.2100	19.4700	18.970000	19.0000	-2.614%	650,426	+35.842%
2026-03-17	19.4800	19.9950	19.475000	19.5100	+0.515%	635,572	+32.291%
2026-03-16	18.9300	19.4600	18.650000	19.4100	+6.766%	737,991	+32.973%
2026-03-13	18.2300	18.4600	17.805000	18.1800	+0.028%	604,648	+41.969%
2026-03-12	18.5750	18.5750	17.030000	18.1750	-3.170%	901,683	+42.008%
2026-03-11	18.9100	19.5000	18.522000	18.7700	-0.740%	548,286	+37.507%
2026-03-10	19.2100	19.5700	18.840000	18.9100	-1.562%	527,204	+36.489%
2026-03-09	18.9700	19.3700	18.520000	19.2100	-0.672%	687,764	+34.357%
2026-03-06	20.0500	20.0800	18.935000	19.3400	-5.382%	753,758	+33.454%
2026-03-05	19.6700	20.6000	19.540000	20.4400	+2.405%	726,358	+26.272%
2026-03-04	19.9700	20.2000	19.560000	19.9600	+0.656%	594,999	+29.309%
2026-03-03	20.3500	21.0700	19.810000	19.8300	-5.616%	740,835	+30.156%
2026-03-02	20.3000	21.1400	19.950000	21.0100	+3.856%	1,261,286	+22.846%
2026-02-27	22.4400	23.2650	19.830000	20.2300	-23.632%	1,965,708	+27.583%
2026-02-26	28.0000	28.1740	26.270000	26.4900	-5.291%	816,456	-2.567%
2026-02-25	27.7300	27.9900	27.030000	27.9700	+1.084%	415,987	-7.723%
2026-02-24	27.6500	28.3700	27.420000	27.6700	+0.436%	478,145	-6.722%
2026-02-23	28.4200	28.7500	27.190000	27.5500	-3.435%	496,697	-6.316%
2026-02-20	28.5800	28.9750	28.030000	28.5300	-0.035%	508,412	-9.534%
2026-02-19	28.5600	28.7100	28.420000	28.5400	-0.419%	340,481	-9.566%
2026-02-18	28.4500	29.1550	28.360000	28.6600	+0.738%	325,919	-9.944%
2026-02-17	28.6500	29.2300	28.390000	28.4500	-0.175%	316,867	-9.279%
2026-02-13	27.8200	29.0000	27.760000	28.5000	+3.448%	268,690	-9.439%
2026-02-12	28.6200	28.6200	27.240000	27.5500	-3.638%	437,438	-6.316%
2026-02-11	28.6200	29.0900	28.480000	28.5900	+0.070%	236,616	-9.724%
2026-02-10	28.7500	28.9200	28.490000	28.5700	-0.140%	182,569	-9.660%
2026-02-09	29.0800	29.2000	28.370000	28.6100	-2.221%	285,022	-9.787%
2026-02-06	28.6100	29.4600	28.610000	29.2600	+2.200%	343,842	-11.791%
2026-02-05	28.4500	29.2199	28.450000	28.6300	+0.070%	288,034	-9.850%
2026-02-04	28.7900	29.3700	28.560000	28.6100	+1.310%	378,845	-9.787%
2026-02-03	27.5700	28.2800	27.060000	28.2400	+1.146%	506,290	-8.605%
2026-02-02	26.3600	28.1300	26.340000	27.9200	+5.398%	444,060	-7.557%
2026-01-30	26.1500	26.6000	26.040000	26.4900	+1.300%	294,470	-2.567%
2026-01-29	26.1000	26.4300	25.800000	26.1500	+0.115%	184,370	-1.300%
2026-01-28	26.4500	26.4500	25.860000	26.1200	-0.495%	209,032	-1.187%
2026-01-27	26.3900	26.5800	25.810000	26.2500	-1.316%	264,506	-1.676%
2026-01-26	25.9200	26.7100	25.633600	26.6000	+2.623%	316,150	-2.970%
2026-01-23	26.0300	26.3700	25.810100	25.9200	-0.861%	269,462	-0.424%
2026-01-22	26.2500	26.9200	26.100000	26.1450	-0.286%	233,271	-1.281%
2026-01-21	25.9600	26.5900	25.930000	26.2200	+1.040%	251,521	-1.564%
2026-01-20	25.6200	26.7499	25.470000	25.9500	-0.460%	282,605	-0.539%
2026-01-16	25.9400	26.2300	25.420000	26.0700	+0.269%	286,949	-0.997%
2026-01-15	27.6500	27.6900	25.940000	26.0000	-6.340%	584,060	-0.731%
2026-01-14	28.8000	29.1950	27.610000	27.7600	-3.978%	472,419	-7.024%
2026-01-13	29.1600	29.3800	28.400100	28.9100	-1.667%	345,619	-10.723%
2026-01-12	28.0500	29.5200	27.310000	29.4000	+5.984%	455,860	-12.211%
2026-01-09	27.7100	28.0200	27.430000	27.7400	0.000%	244,646	-6.957%
2026-01-08	27.4000	28.3400	27.230000	27.7400	+1.500%	304,492	-6.957%
2026-01-07	27.8300	28.2800	27.150000	27.3300	-1.050%	342,666	-5.562%
2026-01-06	26.5300	27.7500	26.511000	27.6200	+3.368%	300,067	-6.553%
2026-01-05	26.2100	27.4500	26.110000	26.7200	+0.983%	419,181	-3.406%
2026-01-02	26.9100	26.9300	26.020000	26.4600	-1.195%	405,969	-2.457%
2025-12-31	27.0600	27.0600	26.640000	26.7800	-0.815%	218,279	-3.622%
2025-12-30	26.7500	27.1600	26.730000	27.0000	+0.784%	251,517	-4.407%
2025-12-29	27.0000	27.2250	26.770000	26.7900	-1.217%	220,491	-3.658%
2025-12-26	26.7700	27.1700	26.553600	27.1200	+1.156%	229,035	-4.830%
2025-12-24	26.4500	27.1150	26.440000	26.8100	+1.361%	175,168	-3.730%
2025-12-23	27.2400	27.2600	26.255000	26.4500	-3.184%	333,344	-2.420%
2025-12-22	26.5000	27.4400	26.345000	27.3200	+2.707%	507,332	-5.527%
2025-12-19	26.4000	26.8000	26.330000	26.6000	+0.377%	812,109	-2.970%
2025-12-18	26.0400	26.6200	25.920000	26.5000	+1.649%	340,800	-2.604%
2025-12-17	25.6000	26.5200	25.470000	26.0700	+1.796%	389,864	-0.997%
2025-12-16	26.1800	26.3100	25.160000	25.6100	-2.661%	499,486	+0.781%
2025-12-15	25.7800	26.5000	25.560000	26.3100	+4.116%	472,896	-1.900%
2025-12-12	26.1300	26.1300	25.200000	25.2700	-2.432%	341,410	+2.137%
2025-12-11	25.8100	25.9400	25.470000	25.9000	+0.739%	284,940	-0.347%
2025-12-10	25.6400	25.9100	25.220000	25.7100	+0.234%	483,522	+0.389%
2025-12-09	25.9700	26.3900	25.560000	25.6500	-1.384%	414,104	+0.624%
2025-12-08	26.8100	26.8450	25.950000	26.0100	-2.839%	300,935	-0.769%
2025-12-05	27.1500	27.4700	26.685000	26.7700	-1.400%	323,533	-3.586%
2025-12-04	27.5800	27.8388	26.970000	27.1500	-1.559%	404,953	-4.936%
2025-12-03	26.8600	27.8200	26.750000	27.5800	+3.412%	317,346	-6.418%
2025-12-02	27.4600	27.6200	26.230000	26.6700	-2.842%	456,357	-3.225%
2025-12-01	27.4400	27.8200	27.300000	27.4500	-0.903%	355,915	-5.974%
2025-11-28	27.4700	27.7800	27.370000	27.7000	+1.243%	208,313	-6.823%
2025-11-26	27.4400	27.8300	27.233700	27.3600	-1.192%	410,857	-5.665%
2025-11-25	27.0000	27.7600	26.900000	27.6900	+3.669%	375,514	-6.789%
2025-11-24	25.9600	26.7900	25.815000	26.7100	+2.691%	349,465	-3.370%
2025-11-21	25.4500	26.5300	25.400000	26.0100	+2.563%	392,921	-0.769%
2025-11-20	25.5400	26.0093	24.920000	25.3600	-0.039%	355,832	+1.774%
2025-11-19	25.8100	26.2800	25.130000	25.3700	-2.046%	524,386	+1.734%
2025-11-18	25.8200	26.5700	25.390000	25.9000	-0.461%	484,851	-0.347%
2025-11-17	26.0400	26.5400	25.690000	26.0200	-0.153%	417,693	-0.807%
2025-11-14	26.1500	26.4700	25.900000	26.0600	-1.176%	294,122	-0.959%
2025-11-13	27.6600	27.8599	26.000000	26.3700	-5.246%	488,815	-2.124%
2025-11-12	27.1600	29.0000	27.120000	27.8300	+2.467%	685,779	-7.258%
2025-11-11	26.0000	27.2100	26.000000	27.1600	+3.982%	541,178	-4.971%
2025-11-10	24.0300	26.8300	23.811800	26.1200	+8.697%	826,318	-1.187%
2025-11-07	26.1500	27.4000	23.670000	24.0300	-0.825%	809,392	+7.407%
2025-11-06	25.4100	25.5300	24.150000	24.2300	-4.267%	767,419	+6.521%
2025-11-05	25.0700	25.6500	25.070000	25.3100	+0.198%	335,208	+1.976%
2025-11-04	25.2000	25.3999	24.926000	25.2600	-0.158%	416,494	+2.177%
2025-11-03	25.3000	25.8543	24.900000	25.3000	-0.784%	361,693	+2.016%
2025-10-31	24.3600	25.6000	24.240000	25.5000	+3.406%	552,330	+1.216%
2025-10-30	24.2400	24.8100	24.020000	24.6600	+1.733%	390,822	+4.663%
2025-10-29	24.0100	24.7050	23.900000	24.2400	+0.248%	363,133	+6.477%
2025-10-28	23.9200	24.4500	23.770000	24.1800	+0.582%	264,331	+6.741%
2025-10-27	24.3800	24.5500	23.980000	24.0400	-1.958%	319,227	+7.363%
2025-10-24	24.7200	24.8900	24.460000	24.5200	-0.809%	220,779	+5.261%
2025-10-23	24.5900	24.8700	24.235000	24.7200	+0.816%	309,413	+4.409%
2025-10-22	24.1400	24.8325	23.970000	24.5200	+1.072%	582,786	+5.261%
2025-10-21	23.7300	24.3800	23.730000	24.2600	+2.233%	335,175	+6.389%
2025-10-20	23.7800	24.1000	23.670000	23.7300	-0.210%	255,762	+8.765%
2025-10-17	23.0900	23.8900	23.090000	23.7800	+2.412%	321,594	+8.537%
2025-10-16	23.1300	23.6050	22.940000	23.2200	+0.346%	449,608	+11.154%
2025-10-15	23.8500	24.2000	22.942000	23.1400	-3.018%	504,313	+11.538%
2025-10-14	23.3300	23.9800	23.330000	23.8600	+1.489%	282,166	+8.173%
2025-10-13	23.6900	24.2100	23.420000	23.5100	-0.508%	324,141	+9.783%
2025-10-10	25.0100	25.0235	23.195000	23.6300	-5.366%	607,448	+9.226%
2025-10-09	25.9200	26.1106	24.680000	24.9700	-3.888%	441,557	+3.364%
2025-10-08	26.0000	26.3200	25.570000	25.9800	+0.581%	250,038	-0.654%
2025-10-07	26.4500	26.6750	25.795000	25.8300	-2.822%	390,489	-0.077%
2025-10-06	26.8200	27.0650	26.530000	26.5800	-0.636%	241,845	-2.897%
2025-10-03	26.5100	27.3100	26.460000	26.7500	+0.867%	331,099	-3.514%
2025-10-02	26.8600	27.0300	26.460000	26.5200	-1.741%	288,366	-2.677%
2025-10-01	26.7400	27.3900	26.740000	26.9900	+1.276%	337,099	-4.372%
2025-09-30	26.9300	27.2650	26.470000	26.6500	-1.003%	392,172	-3.152%
2025-09-29	26.8700	27.2100	26.345000	26.9200	+0.261%	513,361	-4.123%
2025-09-26	26.6200	26.9200	26.335000	26.8500	+1.859%	291,264	-3.873%
2025-09-25	26.8800	26.8900	25.950000	26.3600	-1.898%	565,989	-2.086%
2025-09-24	27.4300	27.6210	26.781000	26.8700	-1.970%	302,731	-3.945%
2025-09-23	27.8800	28.2200	27.210000	27.4100	-1.721%	323,932	-5.837%
2025-09-22	27.8800	28.2400	27.610000	27.8900	+0.904%	424,678	-7.458%
2025-09-19	27.3700	27.7700	26.865000	27.6400	+0.729%	1,384,028	-6.621%
2025-09-18	27.0900	27.7000	26.900000	27.4400	+1.705%	458,903	-5.940%
2025-09-17	27.1300	27.9000	26.570000	26.9800	-0.074%	920,934	-4.337%
2025-09-16	27.3000	27.5100	26.870000	27.0000	-0.990%	497,864	-4.407%
2025-09-15	28.0700	28.3900	27.230000	27.2700	-2.815%	422,797	-5.354%
2025-09-12	28.8600	28.8600	27.910000	28.0600	-2.162%	273,671	-8.019%
2025-09-11	28.3600	28.8900	28.360000	28.6800	+0.986%	422,254	-10.007%
2025-09-10	29.1800	29.2600	28.340000	28.4000	-3.171%	309,841	-9.120%
2025-09-09	29.2600	29.4300	28.990000	29.3300	+0.239%	379,382	-12.001%
2025-09-08	29.3000	29.4100	28.490900	29.2600	-0.544%	385,699	-11.791%
2025-09-05	29.0800	29.7800	28.980000	29.4200	+0.788%	414,943	-12.271%
2025-09-04	29.3900	29.5900	28.875000	29.1900	-0.681%	553,530	-11.579%
2025-09-03	30.4900	31.0950	29.285000	29.3900	-4.609%	567,057	-12.181%
2025-09-02	30.8600	31.2641	30.440000	30.8100	+0.621%	414,770	-16.228%
2025-08-29	30.2100	30.8100	30.180000	30.6200	+1.190%	290,925	-15.709%
2025-08-28	30.5000	30.5550	29.860000	30.2600	-0.754%	316,721	-14.706%
2025-08-27	30.1000	30.9450	30.100000	30.4900	+0.494%	326,146	-15.349%
2025-08-26	29.9800	30.8020	29.930000	30.3400	+1.710%	408,475	-14.931%
2025-08-25	30.5300	30.5450	29.465000	29.8300	-2.197%	374,384	-13.476%
2025-08-22	29.9800	30.9000	29.980000	30.5000	+2.832%	494,915	-15.377%
2025-08-21	29.5700	30.4200	29.430000	29.6600	+0.135%	491,388	-12.980%
2025-08-20	30.2100	30.3900	29.420000	29.6200	-2.341%	434,164	-12.863%
2025-08-19	29.9300	30.9900	29.845000	30.3300	+1.915%	527,820	-14.903%
2025-08-18	29.8300	30.6499	29.580000	29.7600	-0.235%	433,187	-13.273%
2025-08-15	30.2100	30.6300	29.820000	29.8300	-1.258%	651,993	-13.476%
2025-08-14	30.0300	30.6317	29.639400	30.2100	-0.886%	464,377	-14.565%
2025-08-13	30.4400	31.2300	30.000000	30.4800	+0.428%	1,016,810	-15.322%
2025-08-12	28.1800	30.6300	28.140000	30.3500	+10.928%	1,601,991	-14.959%
2025-08-11	24.7300	27.4100	24.690000	27.3600	+14.910%	1,816,531	-5.665%
2025-08-08	22.2900	24.7000	22.070000	23.8100	+10.130%	1,005,009	+8.400%
2025-08-07	21.1500	21.7400	20.701700	21.6200	+3.842%	705,613	+19.380%
2025-08-06	21.4200	21.6799	20.785000	20.8200	-2.892%	414,589	+23.967%
2025-08-05	21.4400	21.5650	21.180000	21.4400	+0.187%	388,966	+20.382%
2025-08-04	21.1900	21.4300	20.878045	21.4000	+0.896%	463,650	+20.607%
2025-08-01	20.8600	21.2500	20.385000	21.2100	+1.241%	440,154	+21.688%
2025-07-31	21.0600	21.3300	20.770000	20.9500	-1.828%	545,003	+23.198%
2025-07-30	21.7000	21.8400	21.230000	21.3400	-1.523%	304,733	+20.947%
2025-07-29	22.1000	22.1300	21.650000	21.6700	-2.563%	358,966	+19.105%
2025-07-28	22.3700	22.9000	22.060000	22.2400	-0.581%	457,570	+16.052%
2025-07-25	22.4600	22.5000	22.130000	22.3700	-0.622%	329,130	+15.378%
2025-07-24	22.4800	22.6750	22.385000	22.5100	-0.530%	320,091	+14.660%
2025-07-23	21.5300	22.7000	21.510000	22.6300	+5.995%	518,064	+14.052%
2025-07-22	21.2900	21.7000	21.080000	21.3500	+0.755%	469,787	+20.890%
2025-07-21	20.7000	21.2150	20.640000	21.1900	+2.764%	536,090	+21.803%
2025-07-18	21.9200	21.9979	20.430000	20.6200	-4.977%	430,269	+25.170%
2025-07-17	21.2000	21.9200	21.190000	21.7000	+2.022%	407,650	+18.940%
2025-07-16	21.4100	21.6500	21.090000	21.2700	+0.425%	675,721	+21.345%
2025-07-15	22.1100	22.3100	21.160000	21.1800	-3.508%	504,519	+21.860%
2025-07-14	21.7100	22.1200	21.500000	21.9500	+1.339%	504,960	+17.585%
2025-07-11	22.0000	22.1356	21.480000	21.6600	-2.476%	449,086	+19.160%
2025-07-10	22.4400	22.8304	22.200000	22.2100	-1.025%	464,802	+16.209%
2025-07-09	22.7800	22.9400	22.290000	22.4400	-0.708%	371,461	+15.018%
2025-07-08	22.8600	23.3800	22.430000	22.6000	-1.137%	657,360	+14.204%
2025-07-07	23.0600	23.7150	22.800000	22.8600	-1.466%	791,122	+12.905%
2025-07-03	23.6600	23.7700	22.915000	23.2000	-1.612%	221,782	+11.250%
2025-07-02	23.4300	23.7200	23.200000	23.5800	+1.028%	465,368	+9.457%
2025-07-01	22.9400	24.5200	22.890000	23.3400	+1.655%	444,408	+10.583%
2025-06-30	23.1700	23.2487	22.810000	22.9600	-0.520%	396,102	+12.413%
2025-06-27	23.3200	23.4150	22.860100	23.0800	-0.431%	1,270,637	+11.828%
2025-06-26	23.6000	23.7650	23.030000	23.1800	-1.151%	517,512	+11.346%
2025-06-25	24.5100	24.5300	23.310000	23.4500	-4.597%	426,886	+10.064%
2025-06-24	24.8300	25.0399	24.530000	24.5800	-0.405%	395,482	+5.004%
2025-06-23	24.5000	24.7490	24.395000	24.6800	+0.489%	409,110	+4.579%
2025-06-20	25.6700	25.8500	24.350000	24.5600	-3.078%	672,733	+5.090%
2025-06-18	25.5800	25.8000	25.260000	25.3400	-1.054%	393,981	+1.855%
2025-06-17	25.7800	26.0600	25.535000	25.6100	-1.424%	399,985	+0.781%
2025-06-16	25.9600	26.0300	25.590000	25.9800	+0.620%	366,128	-0.654%
2025-06-13	25.9300	26.2700	25.700000	25.8200	-2.345%	402,502	-0.039%
2025-06-12	26.0800	26.4950	25.770000	26.4400	+1.497%	506,968	-2.383%
2025-06-11	26.9400	27.0400	26.020000	26.0500	-3.232%	528,236	-0.921%
2025-06-10	26.7600	27.4000	26.700000	26.9200	+1.127%	624,899	-4.123%
2025-06-09	26.1700	26.8600	26.100000	26.6200	+2.424%	514,539	-3.043%
2025-06-06	25.7600	26.0200	25.525000	25.9900	+1.842%	359,174	-0.693%
2025-06-05	25.9000	25.9050	25.190000	25.5200	-1.315%	555,176	+1.136%
2025-06-04	26.0100	26.5700	25.755000	25.8600	-0.577%	395,494	-0.193%
2025-06-03	25.3900	26.1700	25.130000	26.0100	+2.482%	526,276	-0.769%
2025-06-02	25.6100	26.0500	25.260000	25.3800	-1.284%	656,459	+1.694%
2025-05-30	25.5900	25.9200	25.149600	25.7100	+0.273%	460,917	+0.389%
2025-05-29	25.3900	25.7900	25.180000	25.6400	+1.504%	524,701	+0.663%
2025-05-28	25.5100	25.6850	25.120000	25.2600	-1.058%	476,426	+2.177%
2025-05-27	24.8600	25.7200	24.810000	25.5300	+4.332%	532,528	+1.097%
2025-05-23	23.7400	24.4900	23.740000	24.4700	+1.116%	548,566	+5.476%
2025-05-22	24.0000	24.3900	23.930600	24.2000	+0.166%	360,874	+6.653%
2025-05-21	24.8100	24.8350	24.150000	24.1600	-3.630%	341,435	+6.829%
2025-05-20	24.8300	25.2400	24.670000	25.0700	+1.129%	482,087	+2.952%
2025-05-19	24.6400	24.9300	24.430000	24.7900	-0.282%	359,141	+4.115%
2025-05-16	24.3200	24.9000	24.200000	24.8600	+2.220%	510,675	+3.821%
2025-05-15	23.4100	24.7000	23.200100	24.3200	+4.378%	667,744	+6.127%
2025-05-14	23.8800	23.9700	23.265000	23.3000	-2.429%	578,020	+10.773%
2025-05-13	24.2100	24.4192	23.770000	23.8800	-1.890%	444,961	+8.082%
2025-05-12	24.0500	24.5650	23.600000	24.3400	+0.954%	563,807	+6.039%
2025-05-09	24.5400	25.0250	23.300000	24.1100	-2.191%	790,224	+7.051%
2025-05-08	24.5900	25.3600	23.680000	24.6500	+0.901%	751,566	+4.706%
2025-05-07	24.0300	24.6100	23.945000	24.4300	+2.346%	819,850	+5.649%
2025-05-06	24.9500	25.0400	23.690000	23.8700	-4.976%	751,946	+8.127%
2025-05-05	24.4600	25.3650	24.340000	25.1200	+2.531%	681,271	+2.747%
2025-05-02	24.4100	24.6900	24.190000	24.5000	+2.596%	674,104	+5.347%
2025-05-01	24.1900	24.5400	23.760000	23.8800	-2.171%	562,396	+8.082%
2025-04-30	24.4400	24.5150	23.910000	24.4100	-0.367%	460,186	+5.735%
2025-04-29	24.3500	24.6100	24.190000	24.5000	+0.369%	296,382	+5.347%
2025-04-28	24.2800	24.4700	24.120000	24.4100	+0.909%	355,520	+5.735%
2025-04-25	23.9700	24.2500	23.630000	24.1900	+0.499%	235,287	+6.697%
2025-04-24	23.5800	24.1500	23.350000	24.0700	+2.165%	388,155	+7.229%
2025-04-23	24.4000	24.6850	23.460000	23.5600	-1.546%	317,446	+9.550%
2025-04-22	23.7100	24.0100	23.170000	23.9300	+1.830%	524,820	+7.856%
2025-04-21	23.2100	23.5900	22.840000	23.5000	+0.642%	486,542	+9.830%
2025-04-17	23.0800	23.6150	23.080000	23.3500	+1.566%	735,039	+10.535%
2025-04-16	23.6200	23.7430	22.640000	22.9900	-2.170%	904,628	+12.266%
2025-04-15	24.2600	24.9200	23.390000	23.5000	-3.767%	779,954	+9.830%
2025-04-14	24.5500	24.7650	23.940000	24.4200	+1.076%	523,512	+5.692%
2025-04-11	23.7300	24.2150	23.350000	24.1600	+2.721%	482,794	+6.829%
2025-04-10	24.9900	25.0100	22.735000	23.5200	-6.778%	840,599	+9.736%

.dark-mode .JL5vpX{ color: white; background-color: #333333; border: 2px solid white; }.light-mode .JL5vpX{ color: #333333; background-color: white; border: 2px solid #333333; }AMPHAmphastar Pharmaceuticals, Inc.stock NASDAQ

AMPH
Amphastar Pharmaceuticals, Inc.
stock NASDAQ