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

Jan. 29, 2020 AC +4.26%
Oct. 23, 2019 AC +13.90%
July 31, 2019 AC -1.36%
April 24, 2019 AC +4.93%
Jan. 23, 2019 AC +15.69% Biggest UP
Oct. 16, 2018 AC +1.31%
July 26, 2018 AC +7.19%
April 17, 2018 AC -4.03%
Jan. 24, 2018 AC -4.99% Biggest DOWN
Oct. 17, 2017 AC +3.05%
July 26, 2017 AC -2.12%
April 18, 2017 AC +6.85%

Avg (+ or -) 5.81%
Bias 3.72%, strongly positive bias on earnings.

With stock at 260.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 234.20 to 285.80 (+/- 9.9%)
Based on AVERAGE one-day move over last 12 quarters: 244.90 to 275.10
Based on MAXIMUM one-day move over last 12 Q’s (15.7%): 219.21 to 300.79
Based on DOWN max only (-5.0%): 247.03

Open to requests for other symbols.