#Earnings $ILMN reports today after the bell. Below are details on earnings 1-day moves over the last 12 quarters.

July 30, 2018 AC 12.14%
April 24, 2018 AC -3.06%
Jan. 30, 2018 AC -3.54% Biggest DOWN
Oct. 24, 2017 AC -2.83%
Aug. 1, 2017 AC 14.82% Biggest UP
April 25, 2017 AC 1.69%
Jan. 31, 2017 AC 0.92%
Nov. 1, 2016 AC -2.75%
July 26, 2016 AC 8.09%
May 3, 2016 AC 0.98%
Feb. 2, 2016 AC -3.36%
Oct. 20, 2015 AC -3.39%

Avg + or – 4.80%
Bias 1.64%, slight upside bias on earnings.

With stock at 146.00, the data suggests these ranges.
Based on current IV (expected move per TOS): 285.32 to 328.68
Based on AVERAGE move over last 12 quarters: 292.27 to 321.73
Based on MAXIMUM move over last 12 Q’s (14.8%): 261.50 to 352.50