GS earnings analysis

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

April 15, 2020 BO +0.16%
Jan. 15, 2020 BO -0.18%
Oct. 15, 2019 BO +0.31%
July 16, 2019 BO +1.86%
April 15, 2019 BO -3.81% Biggest DOWN
Jan. 16, 2019 BO +9.54% Biggest UP
Oct. 16, 2018 BO +3.01%
July 17, 2018 BO -0.18%
April 17, 2018 BO -1.64%
Jan. 17, 2018 BO -1.86%
Oct. 17, 2017 BO -2.60%
July 18, 2017 BO -2.59%

Avg (+ or -) 2.31%
Bias 0.17%, no significant bias on earnings.

With stock at 211.50 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 201.02 to 221.98 (+/- 5.0%)
Based on AVERAGE one-day move over last 12 quarters: 206.61 to 216.39
Based on MAXIMUM one-day move over last 12 Q’s (9.5%): 191.32 to 231.68
Based on DOWN max only (-3.8%): 203.44

Open to requests for other symbols.