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

May 1, 2019 BO -4.20%
Jan. 30, 2019 BO +4.03%
Oct. 31, 2018 BO +4.96%
Aug. 1, 2018 BO -1.76%
May 2, 2018 BO +2.74%
Jan. 31, 2018 BO +2.33%
Nov. 2, 2017 BO -0.91%
July 27, 2017 BO +9.10% Biggest UP
May 3, 2017 BO -6.24% Biggest DOWN
Feb. 1, 2017 BO -5.68%
Nov. 2, 2016 BO +3.52%
July 28, 2016 BO -3.37%

Avg (+ or -) 4.07%
Bias 0.38%, no significant bias on earnings.

With stock at 166.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 159.56 to 172.44
Based on AVERAGE one-day move over last 12 quarters: 159.24 to 172.76
Based on MAXIMUM one-day move over last 12 Q’s (9.1%): 150.89 to 181.11
Based on DOWN max only (-6.2%): 155.64

Open to requests for other symbols.

#doublecalendar