The system is a guide to use that will let you know what the market will do next.
Within that guide you still have to execute.
You still have to take profits on every trade if you are using the $UPRO or $SPXU. You still have to know what options to buy and when to take profits,
Can the system be used anticipate the amount of the move? If someone is trading options, the security has to move in a particular direction by a certain amount in order to be profitable.