#Earnings Sold to Open $ISRG 650 put for 2.15. Biggest UP move: 17.7% , Biggest DOWN move: -11.5% , Average move: 6.3% . This trade is 8.6% OTM. I will probably add to this, and also buy 600 puts for disaster protection. -11.5% done move was in April 2014 and the lat time ISRG moved down big.