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

Aug. 29, 2019 BO -7.98%
May 23, 2019 BO -4.84%
Feb. 27, 2019 BO +14.11%
Nov. 20, 2018 BO +2.13%
Aug. 28, 2018 BO -5.00%
May 24, 2018 BO -6.64%
March 1, 2018 BO +3.94%
Nov. 16, 2017 BO -3.57%
Aug. 29, 2017 BO -11.92% Biggest DOWN
May 25, 2017 BO +21.47% Biggest UP
March 1, 2017 BO -4.50%
Nov. 17, 2016 BO +13.69%

Avg (+ or -) 8.32%
Bias 0.91%, positive bias on earnings.

With stock at 74.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 68.87 to 79.13
Based on AVERAGE one-day move over last 12 quarters: 67.85 to 80.15
sed on MAXIMUM one-day move over last 12 Q’s (21.5%): 58.11 to 89.89
Based on DOWN max only (-11.9%): 65.18

Open to requests for other symbols.