I think it might be but I can't remember how many of my 'guesses' have been wrong before.
As to giving some back, sure would be great if that didn't happen, but it can't be done. The only key to succes is grabbing as much as realistic, as often as possible.
As of this am's closed piggyback trades, the closed, documented pb trades have return 2,400 to someone who started out with 10K, not counting the main signal.