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

May 21, 2019 BO +5.56%
Feb. 26, 2019 BO +5.10%
Dec. 4, 2018 BO +6.74% Biggest UP
Sept. 18, 2018 BO -1.97%
May 22, 2018 BO -9.48%
Feb. 27, 2018 BO -11.06% Biggest DOWN
Dec. 5, 2017 BO +0.42%
Sept. 19, 2017 BO -5.00%
May 23, 2017 BO -11.84%
Feb. 28, 2017 BO -0.58%
Dec. 6, 2016 BO +0.43%
Sept. 22, 2016 BO -0.42%

Avg (+ or -) 4.88%
Bias -1.84%, negative bias on earnings.

NOTE: The 5-day results are more bullish, as extreme one-day down moves tended to fade over the following days.
5-day bias is +0.80%

With stock at 1152.50 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 1081.01 to 1223.99
Based on AVERAGE one-day move over last 12 quarters: 1096.22 to 1208.78
Based on MAXIMUM one-day move over last 12 Q’s (11.8%): 1016.04 to 1288.96
Based on UP max only (+6.7%): 1230.18

Open to requests for other symbols.