Because I think on a long enough time frame, it will go to $0. That may take a really long time. :)
As far right now, I have no idea. I really kind of thought $6400 would be the low at one point. My mind keeps changing. I'm not in BTC right now and just kind of waiting it out to be honest.
Warren Buffett thinks in investing time frames of at least 5 years. But his holding period is preferably much longer… “Only buy something that you'd be perfectly happy to hold if the market shut down for 10 years.”