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

May 29, 2019 BO -26.46% Biggest DOWN
March 6, 2019 BO +20.37%
Nov. 29, 2018 BO +20.91%
Aug. 30, 2018 BO -17.15%
June 1, 2018 BO -8.72%
March 7, 2018 BO +11.90%
Nov. 17, 2017 BO +23.90% Biggest UP
Aug. 24, 2017 BO +17.06%
May 25, 2017 BO +8.99%
March 2, 2017 BO +13.94%
Nov. 18, 2016 BO -13.76%
Aug. 30, 2016 BO -20.30%

Avg (+ or -) 16.96%
Bias 2.56%, positive bias on earnings.

With stock at 16.60 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 13.99 to 19.21
Based on AVERAGE one-day move over last 12 quarters: 13.79 to 19.41
Based on MAXIMUM one-day move over last 12 Q’s (26.5%): 12.21 to 20.99
Based on UP max only (+23.9%): 20.57

Open to requests for other symbols.