AMPH: Amphastar Pharmaceuticals Inc.

As of Friday, June 12th, 2026

$ 20.09

-0.44 -2.14%

Open: 19.90
High: 20.55
Low: 19.90
Volume: 377,141
Previous Close on Thursday, June 11th, 2026

$ 20.53

+0.24 +1.18%

Open: 20.15
High: 20.65
Low: 20.10
Volume: 463,507

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-06-12 19.90 20.55 19.90 20.09 377,141 -0.44 -2.14
2026-06-11 20.15 20.65 20.10 20.53 463,507 +0.24 +1.18
2026-06-10 20.21 20.77 19.99 20.29 405,093 +0.13 +0.64
2026-06-09 19.53 20.27 19.53 20.16 505,871 +0.77 +3.97
2026-06-08 19.75 19.85 19.34 19.39 558,989 -0.35 -1.77
2026-06-05 18.86 20.14 18.85 19.74 748,242 +1.04 +5.56
2026-06-04 18.28 18.90 18.28 18.70 459,231 +0.58 +3.20
2026-06-03 18.26 18.36 17.73 18.12 509,318 -0.33 -1.79
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 20.77
On 2026-06-10		 19.34
On 2026-06-08		 0.35 1.77 20.77
On 2026-06-10		 19.90
On 2026-06-12		 -4.19 20.09
10D 20.77
On 2026-06-10		 17.73
On 2026-06-03		 1.24 6.58 19.01
On 2026-06-01		 17.73
On 2026-06-03		 -6.73 19.39
20D 20.77
On 2026-06-10		 16.65
On 2026-05-18		 2.79 16.13 19.55
On 2026-05-28		 17.73
On 2026-06-03		 -9.31 18.83
WTD 20.77
On 2026-06-10		 19.34
On 2026-06-08		 0.35 1.77 20.77
On 2026-06-10		 19.90
On 2026-06-12		 -4.19 20.09
MTD 20.77
On 2026-06-10		 17.73
On 2026-06-03		 1.24 6.58 19.01
On 2026-06-01		 17.73
On 2026-06-03		 -6.73 19.39
As of Friday, June 12th, 2026
 
Free Tier
Ticker Last Chg %Chg Volume
GE

General Electric Company

335.30 +2.54 +0.76 4,358,716
KO

The Coca-Cola Company

82.62 +0.09 +0.11 11,619,843
PFE

Pfizer Inc.

26.21 +0.04 +0.15 38,746,243
VZ

Verizon Communications Inc.

48.11 +1.17 +2.49 21,943,306
VIX

CBOE Volatility Index

17.68 -1.76 -9.05
 
Watchlists
Log In
To create and display watchlists.
 
Markets
Ticker Last Chg %Chg Volume
DJIA

Dow Jones Industrial Average

51,202.26 +353.51 +0.70 427,713,946
DJTA

Dow Jones Transportation Average

22,596.69 +72.95 +0.32 66,435,006
SPX

S&P 500 Index

7,431.46 +37.16 +0.50
OEX

S&P 100 Index

3,645.59 +9.47 +0.26
NDX

NASDAQ 100 Index

29,635.95 +189.77 +0.64
NYA

NYSE Composite Index

23,595.79 +182.90 +0.78
XAX

NYSE AMEX Composite Index

8,395.75 +47.64 +0.57
RUI

RUSSELL 1000 Index

4,047.10 +18.92 +0.47
RUT

Russell 2000 Index

2,943.99 +22.96 +0.79
RUA

Russell 3000 Index

4,227.02 +20.39 +0.48
VIX

CBOE Volatility Index

17.68 -1.76 -9.05
VIX1Y

CBOE S&P 500 One-Year Volatility Index

23.75 -0.20 -0.84
VIX6M

CBOE S&P 500 6-Month Volatility Index

22.59 -0.55 -2.38
VIX3M

CBOE S&P 500 3-Month Volatility Index

20.51 -0.91 -4.25
 
Recent
Ticker Last Chg %Chg Volume
HP

Helmerich & Payne Inc.

39.25 +0.06 +0.15 659,545
COO

The Cooper Companies Inc.

67.88 +0.37 +0.55 1,939,529
AMPH

Amphastar Pharmaceuticals Inc.

20.09 -0.44 -2.14 377,141