professor khouw has got the answer in his "call to action.yeah, so, when a stock becomes hard to borrow, as it does when the short interest really rises and you start to see all of this activity taking place in the options market, generally speaking, you start to see a lot more volatility in the stocks, and therefore, in the price of options looking at cronos, we can see here as the short interest rose, we can see that the volatility of the stock similarly rose, very, very sharply we take a look at canopy growth, we've got basically the same dynamic going on we've got the short interest going up and the volatility also rising very sharply. how sharply? well, we can take a look at what these markets are actually implying when we look at tilray, there isn't as much of a history in options for tilray, but when i was looking at this earlier, the stock was trading about $130, and the december $130 straddle, that's taking the call and the put together, cost almost $90. that is essentially what the options market is implying the movement in this sto