#Earnings $SKX reports tonight. Below are details on earnings one-day moves over the last 12 quarters.

July 18, 2019 AC +11.96%
April 18, 2019 BO -10.43%
Feb. 7, 2019 AC +15.19%
Oct. 18, 2018 AC +13.78%
July 19, 2018 AC -20.99%
April 19, 2018 AC -27.04% Biggest DOWN
Feb. 8, 2018 AC +7.54%
Oct. 19, 2017 AC +41.44% Biggest UP
July 20, 2017 AC +0.67%
April 20, 2017 AC -2.56%
Feb. 9, 2017 AC +19.32%
Oct. 20, 2016 AC -17.26%

Avg (+ or -) 15.68%
Bias 2.64%, positive bias on earnings.

With stock at 37.50 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 33.26 to 41.74
Based on AVERAGE one-day move over last 12 quarters: 31.74 to 43.54
Based on MAXIMUM one-day move over last 12 Q’s (41.4%): 22.04 to 53.24
Based on DOWN max only (-27.0%): 27.46

Open to requests for other symbols.

#longstraddle