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

June 25, 2019 AC +13.34% Biggest UP
March 20, 2019 AC +9.61%
Dec. 18, 2018 AC -7.91%
Sept. 20, 2018 AC -2.86%
June 20, 2018 AC +0.83%
March 22, 2018 AC -7.99% Biggest DOWN
Dec. 19, 2017 AC +4.02%
Sept. 26, 2017 AC +8.51%
June 29, 2017 AC -5.11%
March 23, 2017 AC +7.40%
Dec. 21, 2016 AC +12.68%
Oct. 4, 2016 AC -0.56%

Avg (+ or -) 6.74%
Bias 2.66%, positive bias on earnings.

With stock at 49.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 45.62 to 52.38
Based on AVERAGE one-day move over last 12 quarters: 45.70 to 52.30
Based on MAXIMUM one-day move over last 12 Q’s (13.3%): 42.46 to 55.54
Based on DOWN max only (-8.0%): 45.08

Open to requests for other symbols.