Options Chain for AMPHASTAR PHARMACEUTICALS INC COM (AMPH) - $23.78 as of 10/20/2025 9:46:42 AM EST

Calls

Strike Bid Ask Premium Last Price Change %Chg Premium to Strike Price Ratio Volume Open Interest IV Delta Gamma Theta Last Trade Last Updated
15.00 7.00 11.10 9.05 % 0.60 0 0 2.91 1.00 0.00 0.00 10/20/2025 9:59:04 AM EST
17.50 4.60 8.70 6.65 % 0.38 0 0 2.36 1.00 0.00 0.00 10/20/2025 9:59:04 AM EST
20.00 2.25 6.50 4.38 % 0.22 0 0 1.94 0.83 0.08 -0.01 10/20/2025 9:59:04 AM EST
22.50 0.25 4.60 2.43 % 0.11 0 0 1.65 0.60 0.08 -0.02 10/20/2025 9:59:04 AM EST
25.00 0.35 1.65 1.00 % 0.04 0 0 0.91 0.41 0.07 -0.02 10/20/2025 9:59:04 AM EST
30.00 0.10 0.45 0.28 0.11 0.00 0.00% 0.01 0 577 0.91 0.16 0.04 -0.02 10/13/2025 10/20/2025 9:59:04 AM EST
35.00 0.00 2.25 1.13 % 0.03 0 0 2.00 0.05 0.02 -0.01 10/20/2025 9:59:04 AM EST
40.00 0.00 1.50 0.75 % 0.02 0 0 1.96 0.01 0.01 0.00 10/20/2025 9:59:04 AM EST

Puts

Strike Bid Ask Premium Last Price Change %Chg Premium to Strike Price Ratio Volume Open Interest IV Delta Gamma Theta Last Trade Last Updated
15.00 0.00 0.20 0.10 % 0.01 0 0 0.99 0.00 0.00 0.00 10/20/2025 9:59:04 AM EST
17.50 0.00 0.25 0.13 % 0.01 0 0 1.86 0.00 0.00 0.00 10/20/2025 9:59:04 AM EST
20.00 0.00 2.55 1.28 % 0.06 0 0 1.48 -0.17 0.08 -0.01 10/20/2025 9:59:04 AM EST
22.50 0.70 2.80 1.75 1.25 0.00 0.00% 0.08 0 1 0.75 -0.40 0.08 -0.02 10/15/2025 10/20/2025 9:59:04 AM EST
25.00 0.25 2.40 1.33 2.75 0.00 0.00% 0.05 0 11 0.17 -0.59 0.07 -0.02 10/17/2025 10/20/2025 9:59:04 AM EST
30.00 4.40 8.30 6.35 6.95 0.00 0.00% 0.21 0 4 1.11 -0.84 0.04 -0.02 10/17/2025 10/20/2025 9:59:04 AM EST
35.00 9.00 13.10 11.05 % 0.32 0 0 1.33 -0.95 0.02 -0.01 10/20/2025 9:59:04 AM EST
40.00 14.00 18.30 16.15 13.30 0.00 0.00% 0.40 0 20 1.70 -0.99 0.01 0.00 9/29/2025 10/20/2025 9:59:04 AM EST