Bitcoin is Dragging Other Cryptocurrencies Down as Correlation Between Them Increases

The increasingly high positive correlation between Bitcoin and other cryptocurrencies is bringing their prices down, now that the tide has turned against Bitcoin since the spectacular rally towards the $20,000 area in mid-December 2017.
With a market capitalization of $111 billion, the BTC continues to recoup the cryptocurrency market dominance it once had.
Correlation Between Bitcoin and Altcoins at 0.7, Up from 0.1 in Early 2018
Correlation amongst assets is the degree to which they move in ta