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

Oct. 16, 2018 BO +3.01% Biggest UP
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%
April 18, 2017 BO -4.71% Biggest DOWN
Jan. 18, 2017 BO -0.61%
Oct. 18, 2016 BO +2.14%
July 19, 2016 BO -1.17%
April 19, 2016 BO +2.28%
Jan. 20, 2016 BO -1.95%

Avg (+ or -) 2.06%
Bias -0.82%, slight negative bias on earnings.

NOTE: Another minor mover on earnings; 3-day maxes show no significant differences.

With stock at 178.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 170.85 to 185.15
Based on AVERAGE move over last 12 quarters: 174.33 to 181.67
Based on MAXIMUM move over last 12 Q’s (4.7%): 169.62 to 186.38

Open for requests on other symbols.