I increased the size to get max loss of 1345.
Details:
June 2010 IC
Long 20 put k=3
Short 20 put k=4
Short 20 call k=5
Long 20 call k=7
Nov long 10 put k=3, long call k=5
Dec long 10 put k=3, long call k=5
Jan long 10 put k=3, long call k=5
Mar long 10 put k=3, long call k=5...