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

Dec. 10, 2019 BO +6.92% Biggest UP
Sept. 24, 2019 BO -4.41%
May 21, 2019 BO +5.56%
Feb. 26, 2019 BO +5.10%
Dec. 4, 2018 BO +6.74%
Sept. 18, 2018 BO -1.97%
May 22, 2018 BO -9.48%
Feb. 27, 2018 BO -11.06%
Dec. 5, 2017 BO +0.42%
Sept. 19, 2017 BO -5.00%
May 23, 2017 BO -11.84% Biggest DOWN
Feb. 28, 2017 BO -0.58%

Avg (+ or -) 5.76%
Bias -1.63%, negative bias on earnings.

With stock at 1030.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 951.27 to 1108.73
Based on AVERAGE one-day move over last 12 quarters: 970.71 to 1089.29
Based on MAXIMUM one-day move over last 12 Q’s (11.8%): 908.05 to 1151.95
Based on UP max only (+6.9%): 1101.28

NOTE: Five-day MAX moves are +7.60% and -9.93%

Open to requests for other symbols.