The FlagTrader Method by Guy Cohen is a PROVEN (by independent quants) swing trade system.
It features the OVI, a proprietary options market based indicator that shows position building by big, informed money.
This 8 minute video (link below) shows how well the FTM system can work in earnings season and with options.
The GAP & FLAG/OVI is the #1 FTM trade, has high probability and is awesome
This link will take you to Guy latest recording on Post Earnings trades: