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

Dec. 13, 2018 AC -8.58% Biggest DOWN
Oct. 4, 2018 AC -5.55%
May 31, 2018 AC -0.55%
March 7, 2018 AC -0.89%
Dec. 14, 2017 AC +3.32%
Oct. 5, 2017 AC -5.97%
May 25, 2017 AC +1.79%
March 2, 2017 AC -4.33%
Dec. 7, 2016 AC +2.43%
Sept. 29, 2016 AC +3.40%
May 25, 2016 AC +3.57% Biggest UP
March 2, 2016 AC -0.77%

Avg (+ or -) 3.43%
Bias -1.01%, negative bias on earnings.

With stock at 218.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 210.75 to 225.25
Based on AVERAGE move over last 12 quarters: 210.52 to 225.48
Based on MAXIMUM move over last 12 Q’s (18.9%): 199.30 to 236.70
Based on Max UP only (+3.6%): 225.78

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