AMPH: Amphastar Pharmaceuticals Inc.

As of Wednesday, July 30th, 2025

$ 21.34

-0.33 -1.52%

Open: 21.70
High: 21.84
Low: 21.23
Volume: 304,733
Previous Close on Tuesday, July 29th, 2025

$ 21.67

-0.57 -2.56%

Open: 22.10
High: 22.13
Low: 21.65
Volume: 355,665

Historical Data

Date Open High Low Close Volume Chg %Chg
2025-07-30 21.70 21.84 21.23 21.34 304,733 -0.33 -1.52
2025-07-29 22.10 22.13 21.65 21.67 355,665 -0.57 -2.56
2025-07-28 22.37 22.90 22.06 22.24 457,553 -0.13 -0.58
2025-07-25 22.46 22.50 22.13 22.37 329,130 -0.14 -0.62
2025-07-24 22.48 22.68 22.39 22.51 320,091 -0.12 -0.53
2025-07-23 21.53 22.70 21.51 22.63 516,830 +1.28 +6.00
2025-07-22 21.29 21.70 21.08 21.35 469,496 +0.16 +0.76
2025-07-21 20.70 21.22 20.64 21.19 536,087 +0.57 +2.76
VIEW MORE / DOWNLOAD

Metrics and Technicals

Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 22.90
On 2025-07-28		 21.23
On 2025-07-30		 -1.29 -5.70 22.90
On 2025-07-28		 21.23
On 2025-07-30		 -7.29 22.03
10D 22.90
On 2025-07-28		 20.43
On 2025-07-18		 0.07 0.33 22.90
On 2025-07-28		 21.23
On 2025-07-30		 -7.29 21.76
20D 23.77
On 2025-07-03		 20.43
On 2025-07-18		 -2.00 -8.57 23.77
On 2025-07-03		 20.43
On 2025-07-18		 -14.05 22.03
WTD 22.90
On 2025-07-28		 21.23
On 2025-07-30		 -1.03 -4.60 22.90
On 2025-07-28		 21.23
On 2025-07-30		 -7.29 21.75
MTD 24.52
On 2025-07-01		 20.43
On 2025-07-18		 -1.62 -7.06 24.52
On 2025-07-01		 20.43
On 2025-07-18		 -16.68 22.09
As of Wednesday, July 30th, 2025
 
Free Tier
Ticker Last Chg %Chg Volume
GE

General Electric Company

273.55 +3.24 +1.20 4,321,932
KO

The Coca-Cola Company

68.75 -0.63 -0.91 10,166,839
PFE

Pfizer Inc.

23.81 -0.49 -2.02 35,335,440
VZ

Verizon Communications Inc.

42.60 -0.11 -0.26 13,180,553
VIX

CBOE Volatility Index

15.63 -0.35 -2.19
 
Watchlists
Log In
To create and display watchlists.
 
Markets
Ticker Last Chg %Chg Volume
DJIA

Dow Jones Industrial Average

44,461.28 -171.71 -0.38 454,326,619
DJTA

Dow Jones Transportation Average

15,510.00 -487.02 -3.04 182,590,189
SPX

S&P 500 Index

6,362.90 -7.96 -0.12
OEX

S&P 100 Index

3,135.67 +0.34 +0.01
MID

S&P 400 Mid Cap Index

1,782.64 +28.24 +1.61 0
NDX

NASDAQ 100 Index

23,345.41 +37.11 +0.16
NYA

NYSE Composite Index

20,630.88 -130.68 -0.63
XAX

NYSE AMEX Composite Index

6,015.19 -98.73 -1.61
RUI

RUSSELL 1000 Index

3,481.24 -4.08 -0.12
RUT

Russell 2000 Index

2,232.40 -10.57 -0.47
RUA

Russell 3000 Index

3,615.52 -4.78 -0.13
VIX

CBOE Volatility Index

15.63 -0.35 -2.19
VIX1Y

CBOE S&P 500 One-Year Volatility Index

21.49 -0.27 -1.24
VIX6M

CBOE S&P 500 6-Month Volatility Index

20.34 -0.27 -1.31
VIX3M

CBOE S&P 500 3-Month Volatility Index

18.43 -0.34 -1.81
VOLNDX

DWS NASDAQ 100 Volatility Target Index

10,759.75 +21.97 +0.20
 
Recent
Ticker Last Chg %Chg Volume
AMPH

Amphastar Pharmaceuticals Inc.

21.34 -0.33 -1.52 304,733