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

June 4, 2020 AC +2.65%
March 12, 2020 AC +7.05%
Dec. 12, 2019 AC -3.77%
Sept. 12, 2019 AC -3.41%
June 13, 2019 AC -5.56% Biggest DOWN
March 14, 2019 AC +8.23% Biggest UP
Dec. 6, 2018 AC +0.58%
Sept. 6, 2018 AC +7.69%
June 7, 2018 AC -2.53%
March 15, 2018 AC -4.81%
Dec. 6, 2017 AC
Aug. 24, 2017 AC -3.70%

Avg (+ or -) 4.17%
Bias 0.20%, no significant bias on earnings.

With stock at 365.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 340.68 to 389.32 (+/- 6.7%)
Based on AVERAGE one-day move over last 12 quarters: 349.80 to 380.20
Based on MAXIMUM one-day move over last 12 Q’s (8.2%): 334.96 to 395.04
Based on DOWN max only (-5.6%): 344.71

Open to requests for other symbols.