SPX index options

Thu. 5/11/2017 (8:40:02 am, PT)

sold short -2 May 31, 2017  2335 puts at $6.50

probability of success:  80%


Thu. 5/11/2017 (10:51:49 am, PT)

bought back puts at $5.40

PROFIT:  $220 (in 2 hours!)

SUCCESS!