#Earnings $ACN reports tomorrow morning. Below are details on earnings one-day moves over the last 12 quarters.

Sept. 26, 2019 BO +0.65%
June 27, 2019 BO -0.16%
March 28, 2019 BO +5.19%
Dec. 20, 2018 BO -4.94%
Sept. 27, 2018 BO -1.68%
June 28, 2018 BO +5.89% Biggest UP
March 22, 2018 BO -7.28% Biggest DOWN
Dec. 21, 2017 BO +1.61%
Sept. 28, 2017 BO -0.23%
June 22, 2017 BO -3.95%
March 23, 2017 BO -4.52%
Dec. 21, 2016 BO -4.99%

Avg (+ or -) 3.42%
Bias -1.20%, negative bias on earnings.

With stock at 204.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 195.74 to 212.26
Based on AVERAGE one-day move over last 12 quarters: 197.01 to 210.99
sed on MAXIMUM one-day move over last 12 Q’s (7.3%): 189.15 to 218.85
Based on UP max only (+5.9%): 216.02

Open to requests for other symbols.