sell -4 May 2016 $200 puts at $2.15
buy +4 May 2016 $190 puts at $0.83
Net credit: $1.32 x 4 x 100 = $528
4/19/2016 (11:03:14 am, PT)
buy to close the $200 puts at $0.74
sell to close the $190 puts at $0.23
Net debit: $0.51 x 4 x 100 = $204
PROFIT: $324
Return on capital: 8% (in 19 days)
SUCCESS!