Spiders (SPY) Put Options

Wed. 1/4/2017 (10:04:42 am, PT)  RD

sell short －10 Jan 27, 2017  $222 puts at $1.02

probability of success:  74%


Tue. 1/10/2017 (7:47 am, PT)

buy back puts at $0.55

PROFIT:  $470

SUCCESS!