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

Oct. 25, 2018 AC -7.81% Biggest DOWN
July 26, 2018 AC +0.51%
April 26, 2018 AC +3.60%
Feb. 1, 2018 AC +2.87%
Oct. 26, 2017 AC +13.21% Biggest UP
July 27, 2017 AC -2.48%
April 27, 2017 AC +0.71%
Feb. 2, 2017 AC -3.54%
Oct. 27, 2016 AC -5.13%
July 28, 2016 AC +0.82%
April 28, 2016 AC +9.56%
Jan. 28, 2016 AC -7.60%

Avg (+ or -) 4.82%
Bias 0.39%, small positive bias on earnings.

With stock at 1732.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 1639.50 to 1824.50
Based on AVERAGE move over last 12 quarters: 1648.52 to 1815.48
Based on MAXIMUM move over last 12 Q’s (13.2%): 1503.20 to 1960.80
Open for requests on other symbols.