“Volatility is as old as the hills, and it’s not going anywhere,” Noble says. “It’s something you have to deal with.”
We also consider two additional factors that account for the finding that in some periods prices drift away from fundamentals. The first factor is the return of Bitcoin. We argue that Bitcoin, being the largest and most traded cryptocurrency, is the most perceptible to sentiment and speculative trading by investors. Thus, as a factor, it can capture periods when trading forces unrelated to fundamentals are the strongest. The second factor is a cryptocurrency price momentum factor that we construct following the seminal work of Jegadeesh and Titman (1993). Momentum effects have been linked to investor psychology (e.g. Barberis et al. 1998).

Bitcoin took another step closer to mainstream investing Tuesday with the launch of a new security on Wall Street tied to futures of the cryptocurrency. To mark the occasion, ProShares, leader in exchange-traded funds, a type of investment linked to an index, rang the opening bell of the New York Stock Exchange on Tuesday.
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