Bitcoin (CRYPTO: BTC) is now down 18% from an all-time high of $109,000 in mid-January, and trades around the $89,000 level on March 3. Once you analyze Bitcoin's historical track record over more than a decade, one thing becomes immediately clear: A decline of 25% is pretty much par for the course for Bitcoin. For example, in the period from 2016 to 2018, as Bitcoin soared to a new all-time high, it had downturns of 38%, 38%, 33%, 38%, 36%, and 29% along the way.