[ddp26]

Not quite. From the article:

> As Prophit had done, I got approval to pay out valuable prizes to complement the play-money leaderboards.

Some traders won things like iPads, and similar rewards that even highly paid tech employees considered valuable.

[beejiu]

I think the point is no money is at risk. I.e. you can't lose money, you can only gain rewards/gifts/cash/etc. That's not strictly gambling.

[ddp26]

Yeah, that's right. Though one could fantasize about a corporate prediction market where people are betting part of their yearly bonuses...