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KOP compared with AMPH: revenue, margins and what each company keeps, and the suppliers and customers both name
KOP
Koppers Holdings Inc.
Change
Mkt cap
Revenue
Revenue
AMPH
Amphastar Pharmaceuticals, Inc.
Change
Mkt cap
Revenue
Revenue
vs
Compare
KOP
Koppers Holdings Inc.
vs
AMPH
Amphastar Pharmaceuticals, Inc.
Price
Mkt cap
Revenue
Revenue
Change
Change
Revenue flow
Supply chain
Price
Co-movers
Event sensitivity
Earnings history
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KOP
Koppers Holdings Inc.
Change
41.27
▼
−1.42%
· post 41.27
Mkt cap
$784.8M
Revenue
$520M
Q2 FY26
Revenue
$1.9B
FY25
AMPH
Amphastar Pharmaceuticals, Inc.
Change
27.72
▲
+2.94%
· post 27.72
Closed
Oct 30 '26
Mkt cap
$1.2B
Revenue
$184M
Q2 FY26
Revenue
$720M
FY25
vs
Compare
Closed
Oct 30 '26
KOP
Koppers Holdings Inc.
vs
AMPH
Amphastar Pharmaceuticals, Inc.
41.27
▼
−1.42%
post 41.27
Price
27.72
▲
+2.94%
post 27.72
$784.8M
Mkt cap
$1.2B
Q2 FY26
$520M
Revenue
$184M
Q2 FY26
FY25
$1.9B
Revenue
$720M
FY25
Change
Change
KOP
41.27
▼
−1.42%
vs
AMPH
27.72
▲
+2.94%
Closed
Oct 30 '26
Co-movers
daily closes
Method
›
Moved together
KOP
with
AMPH
Uncorrelated: r 0.08 · 501D.
No shared co-movers.
KOP, solid
AMPH, hatched
r = correlation
Bar = r to r 0.75
Source: daily closes