#Earnings — $SHAK reports tonight. Below are details on earnings one-day moves over the last 12 quarters. (5-day results had HIGHER extremes, meaning stock often continues in same direction after first day).

Nov. 1, 2018 AC -13.88% Biggest DOWN
Aug. 2, 2018 AC -11.88%
May 3, 2018 AC +18.01% Biggest UP
Feb. 15, 2018 AC -7.71%
Nov. 1, 2017 AC -3.36%
Aug. 3, 2017 AC -5.45%
May 4, 2017 AC +9.20%
March 1, 2017 AC -2.63%
Nov. 9, 2016 AC +10.67%
Aug. 10, 2016 AC -6.19%
May 12, 2016 AC +9.74%
March 7, 2016 AC -11.83%

Avg (+ or -) 9.21%
Bias -1.28%, negative bias on earnings.

With stock at 53.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 47.81 to 58.19
Based on AVERAGE move over last 12 quarters: 48.12 to 57.88
Based on MAXIMUM move over last 12 Q’s (18.0%): 43.45 to 62.55

Open to requests for other symbols.