ROKU earnings analysis

#Earnings $ROKU reports tonight. Below are details on earnings one-day moves over the last 11 quarters, representing its entire history of earnings reports.

May 7, 2020 AC -7.88%
Feb. 13, 2020 AC -6.32%
Nov. 6, 2019 AC -16.01%
Aug. 7, 2019 AC +20.85%
May 8, 2019 AC +28.11%
Feb. 21, 2019 AC +25.23%
Nov. 7, 2018 AC -22.29% Biggest DOWN
Aug. 8, 2018 AC +21.31%
May 9, 2018 AC -1.71%
Feb. 21, 2018 AC -17.71%
Nov. 8, 2017 AC +54.93% Biggest UP

Avg (+ or -) 20.21%
Bias 7.14%, positive bias on earnings.

With stock at 166.00 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 146.03 to 185.97 (+/- 12.0%)
Based on AVERAGE one-day move over last 12 quarters: 132.45 to 199.55
Based on MAXIMUM one-day move over last 12 Q’s (54.9%): 74.82 to 257.18
Based on DOWN max only (-22.3%): 129.00

Open to requests for other symbols.