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

Aug. 7, 2019 AC +10.26%
May 15, 2019 AC +6.51%
Feb. 20, 2019 AC -5.88%
Nov. 14, 2018 AC +5.31%
Aug. 8, 2018 AC -10.96% Biggest DOWN
May 16, 2018 AC -7.45%
Feb. 7, 2018 AC -6.27%
Nov. 15, 2017 AC +7.85%
Aug. 9, 2017 AC -9.77%
May 10, 2017 AC -0.82%
Feb. 15, 2017 AC +14.08% Biggest UP
Nov. 9, 2016 AC -9.22%

Avg (+ or -) 7.87%
Bias -0.53%, small negative bias on earnings.

With stock at 287.50 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 266.37 to 308.63
Based on AVERAGE one-day move over last 12 quarters: 264.89 to 310.11
sed on MAXIMUM one-day move over last 12 Q’s (14.1%): 247.02 to 327.98
Based on DOWN max only (-11.0%): 255.99

Open to requests for other symbols.