CSX earnings analysis & trade

#Earnings Bought $CSX Jul19/Jul26 79.5 #DoubleCalendar for .33 and .34.

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

April 16, 2019 AC +4.01%
Jan. 16, 2019 AC -0.44%
Oct. 16, 2018 AC -2.06%
July 17, 2018 AC +7.07%
April 17, 2018 AC +7.84% Biggest UP
Jan. 16, 2018 AC -0.75%
Oct. 17, 2017 BO +2.63%
July 18, 2017 AC -5.06% Biggest DOWN
April 19, 2017 AC +5.60%
Jan. 17, 2017 AC -3.17%
Oct. 12, 2016 AC +3.11%
July 13, 2016 AC +2.97%

Avg (+ or -) 3.73%
Bias 1.81%, positive bias on earnings.

With stock at 79.50 the data suggests these ranges:
Based on current IV (expected move into Friday per TOS): 76.63 to 82.37
Based on AVERAGE move over last 12 quarters: 76.54 to 82.46
Based on MAXIMUM move over last 12 Q’s (7.8%): 73.27 to 85.73
Based on DOWN Max only (-5.1%): 75.48

Open to requests for other symbols.