This trade was based on previously posted article:
Intelligent Short Put Spread
Monthly Options
Back-test length: three-years
Open 2-days After Earnings
Close 29-days Later
Holding Period: 28-Days per Earnings
Results of Back Test
Winning Trades:
10
Losing Trades:
2
Post-Earnings Short Put Spread Return:
 103.8% 
Annualized Return:
 113% 

Closed Early
$BA BTC 8/18 255/245 BECS @ .30 STO 7/31 for 2.80

Held for 7 days rather than 29. But trade did work for me.