Calculating Risk Foolishly, Vol. 4: ETSY vs. DUOL

David Gardner: Risk. A lot of people talk about it, but especially in the investment world, I've never found that talk very satisfying. First of all, how do you, how do I, how do they, define risk? What does it mean, even to say that's a risky stock? The definitions are often unclear. Then some professional analysts in the risk section of their stock research will say stuff like medium. As in, this is a medium risk stock. What does that mean? Well, more than a decade ago, I developed a 25 point risk rating ...