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

July 23, 2019 AC +9.93%
April 23, 2019 AC -1.79%
Jan. 31, 2019 AC -1.00%
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

Avg (+ or -) 6.70%
Bias -2.56%, negative bias on earnings.

With stock at 225.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 211.82 to 238.18
Based on AVERAGE one-day move over last 12 quarters: 209.92 to 240.08
Based on MAXIMUM one-day move over last 12 Q’s (17.1%): 186.55 to 263.45
Based on UP max only (+10.5%): 248.60

Open to requests for other symbols.