As legit as any other website with "meet our winners", "testimonials" and "before/after photos". Just another vendor pushing software that will trade for you and make millions while you enjoy beach vacations.
Its probably just a hook to create a suckers list from email addresses - if you sign up prepare to be spammed.
He can create a throwaway Yahoo or Hotmail email address for stuff like this where someone suspects they're going to receive spam. I'm sure folks these days aren't going to use their ISP email address or their personal email address...right ???
Would you or any rational person invest a the "strategy" that this contest is pursuing? It is essentially a search for the most volatile stocks, which anyone can figure out by looking at IV on options.
......those contests are all about basically going all in in a stock that's expected to make a big move, like an earrings announcement. Fantasy dollars, fantasy game, fantasy strategy.