WDC earnings analysis

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

Jan. 24, 2019 AC +7.52% Biggest UP
Oct. 25, 2018 AC -18.18% Biggest DOWN
July 26, 2018 AC -7.73%
April 26, 2018 AC -7.99%
Jan. 25, 2018 AC +1.82%
Oct. 26, 2017 AC -2.53%
July 27, 2017 AC -7.54%
April 27, 2017 AC +3.92%
Jan. 25, 2017 AC -1.93%
Oct. 26, 2016 AC +5.41%
July 28, 2016 AC -11.52%
April 28, 2016 AC -11.28%

Avg (+ or -) 7.28%
Bias -4.17%, negative bias on earnings.

The FIVE-day outlook is more bearish, with a downside max of -23%.

With stock at 51.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 46.50 to 55.50
Based on AVERAGE move over last 4 quarters: 47.29 to 54.71
Based on MAXIMUM move over last 4 Q’s (18.2%): 41.73 to 60.27
Based on UP max only (7.5%): 54.84

Open to requests for other symbols.