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

Jan. 9, 2019 AC +16.55% Biggest UP
Sept. 26, 2018 AC -20.99% Biggest DOWN
June 27, 2018 AC -3.81%
April 11, 2018 AC -19.95%
Dec. 20, 2017 AC -12.49%
Sept. 19, 2017 AC -15.87%
June 22, 2017 AC -12.12%
April 5, 2017 AC +3.38%
Dec. 21, 2016 AC -9.17%
Sept. 21, 2016 AC +0.74%
June 22, 2016 AC +1.50%
April 6, 2016 AC +0.32%

Avg (+ or -) 9.74%
Bias -5.99%, strong negative bias on earnings.

With stock at 18.90 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 16.52 to 21.28
Based on AVERAGE move over last 12 quarters: 17.06 to 20.74
Based on MAXIMUM move over last 12 Q’s (13.1%): 14.93 to 22.87
Based on UP max only (+16.6%): 22.03

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