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

Oct. 23, 2018 AC -5.35%
July 26, 2018 AC -8.50%
April 24, 2018 AC -3.82%
Feb. 1, 2018 AC +3.81%
Oct. 24, 2017 AC -9.55%
July 26, 2017 AC +0.64%
April 25, 2017 AC +10.49% Biggest UP
Feb. 1, 2017 AC -8.45%
Oct. 25, 2016 AC -17.09% Biggest DOWN
July 26, 2016 AC +5.62%
April 26, 2016 AC +0.08%
Feb. 2, 2016 AC +8.33%

Avg (+ or -) 6.81%
Bias -1.98%, negative bias on earnings.

With stock at 170.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 161.14 to 178.86
Based on AVERAGE move over last 12 quarters: 158.42 to 181.58
Based on MAXIMUM move over last 12 Q’s (17.1%): 140.95 to 199.05
Open for requests on other symbols.