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

Oct. 24, 2019 BO -20.80% Biggest DOWN
July 26, 2019 BO +8.91%
April 23, 2019 BO +15.64%
Feb. 7, 2019 BO -9.83%
Oct. 25, 2018 BO +15.46%
July 27, 2018 BO -20.54%
April 25, 2018 BO -2.36%
Feb. 8, 2018 BO +12.15%
Oct. 26, 2017 BO +18.49% Biggest UP
July 27, 2017 BO -14.12%
April 26, 2017 BO +7.91%
Feb. 9, 2017 BO -12.33%

Avg (+ or -) 13.21%
Bias -0.12%, no significant bias on earnings.

With stock at 33.25 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 29.93 to 36.57
Based on AVERAGE one-day move over last 12 quarters: 28.86 to 37.64
Based on MAXIMUM one-day move over last 12 Q’s (20.8%): 26.33 to 40.17
Based on UP max only (+18.5%): 39.40

Open to requests for other symbols.

#longstrangles