#Earnings Sold to Open $SRPT Apr 28th 31.5/38.5 strangles for 1.75. Over last 12 earnings, Biggest UP move: 7.2%, Biggest DOWN move: -9.3%, Average move: 5.6%. These strikes are -10.5% and +9.4% OTM.

Biotech stocks can be wily, so trade carefully. This one, however, does not typically have huge earnings moves.