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Amphastar Pharmaceuticals Inc Option Chain

AMPHNASDAQ

Trade with Public

$26.33

0.762.97%

Last update: Oct 28, 4:46 PM

Overview News Earnings Forecast Events Price Targets Financials Sentiment Ownership CompareOptionsStock Report

Options Unusual Options Activity

Amphastar Pharma Options

View Amphastar Pharma (AMPH) options chain, put/call ratios, volume and open interest data.

P/C Ratio (Vol)

0.33

P/C Ratio (OI)

0.41

Volume vs. Open Interest by Strike

Volume by Expiration

Expiration Date

Moneyness

Strike Range

12.532.5

12.5

32.5

Last price

Change

Bid

Ask

Volume

Open Interest

Strike

Last price

Change

Bid

Ask

Volume

Open Interest

Last Price-

Change

Bid11.7

Ask15.8

volume0

Intrest0

Strike

12.5

Last Price-

Change

Bid-

Ask3.4

volume0

Intrest0

Last Price-

Change

Bid9.2

Ask13.4

volume0

Intrest0

Strike

Last Price-

Change

Bid-

Ask3.4

volume0

Intrest0

Last Price-

Change

Bid6.7

Ask11

volume0

Intrest0

Strike

17.5

Last Price-

Change

Bid-

Ask3.4

volume0

Intrest0

Last Price-

Change

Bid4.3

Ask8.5

volume0

Intrest0

Strike

Last Price-

Change

Bid-

Ask3.5

volume0

Intrest0

Last Price4.45Oct 15, 2026

Change

-0%

Bid2.25

Ask6.5

volume0

Intrest4

Strike

22.5

Last Price0.45Oct 15, 2026

Change

-0%

Bid-

Ask3.7

volume0

Intrest3

Last Price2.48Oct 19, 2026

Change

-0%

Bid0.7

Ask4

volume0

Intrest17

Strike

Last Price-

Change

Bid-

Ask3

volume0

Intrest0

Last Price0.6Oct 28, 2026

Change

0.0713.21%

Bid0.2

Ask0.9

volume2

Intrest44

Strike

Last Price-

Change

Bid2.2

Ask6.4

volume0

Intrest0

Options Unusual Options Activity

Amphastar Pharma Options

View Amphastar Pharma (AMPH) options chain, put/call ratios, volume and open interest data.

P/C Ratio (Vol)

0.33

P/C Ratio (OI)

0.41

Volume vs. Open Interest by Strike

Volume by Expiration

Expiration Date

Moneyness

Strike Range

12.532.5

12.5

32.5

Last price

Change

Bid

Ask

Volume

Open Interest

Strike

Last price

Change

Bid

Ask

Volume

Open Interest

Last Price-

Change

Bid11.7

Ask15.8

volume0

Intrest0

Strike

12.5

Last Price-

Change

Bid-

Ask3.4

volume0

Intrest0

Last Price-

Change

Bid9.2

Ask13.4

volume0

Intrest0

Strike

Last Price-

Change

Bid-

Ask3.4

volume0

Intrest0

Last Price-

Change

Bid6.7

Ask11

volume0

Intrest0

Strike

17.5

Last Price-

Change

Bid-

Ask3.4

volume0

Intrest0

Last Price-

Change

Bid4.3

Ask8.5

volume0

Intrest0

Strike

Last Price-

Change

Bid-

Ask3.5

volume0

Intrest0

Last Price4.45Oct 15, 2026

Change

-0%

Bid2.25

Ask6.5

volume0

Intrest4

Strike

22.5

Last Price0.45Oct 15, 2026

Change

-0%

Bid-

Ask3.7

volume0

Intrest3

Last Price2.48Oct 19, 2026

Change

-0%

Bid0.7

Ask4

volume0

Intrest17

Strike

Last Price-

Change

Bid-

Ask3

volume0

Intrest0

Last Price0.6Oct 28, 2026

Change

0.0713.21%

Bid0.2

Ask0.9

volume2

Intrest44

Strike

Last Price-

Change

Bid2.2

Ask6.4

volume0

Intrest0