The last 3 weeks of 2017 (from December 18, 2017 to 07.01.2018) when the BTC reached a 20k and was about 16k2 (down 14.3%).The decline value as the BTC evaporates $ 50.6 billion market capitalization, causing the ruling index of Bitcoin (Bitcoin Dominance - BTC.D) decreased from 59% to 39%.
It won't be worth mentioning if the crypto market decreases.But in this 3 weeks, he total total capitalization of Altcoin has nearly doubled; From 225 to $ 421.8 billion (up 196.7 billion respectively 87.4%).That time the Midcap Coin; LowCap steady increase. Although BTC decreases by 50.6 billion but the total market capitalization has increased by $ 146.2 billion (from 546.8 -> 693 billion, equivalent to 26.7%)
And season Downtrend began.From 08.01.2018 to December 17, 2017, value BTC evaporates 79.7% ,decrease from 16k2 to 3K3 / BTC.And the BTC Dominance after completing the final reduction in the 36.7% mark was restoration to 59.2% in December 2018.
BTC.D decreases while market capitalization increases is the conditions needed in the uptrend market and downtrend; DOM increases while total market capitalization decreases is sign downtrend stage.the end of 2018, the total market capitalized capital decreased by 86.4% from 692 billion to 93.9 billion.Total capitalized Altcoin decreased by 90.9% from 421.8 billion to only 38.3 billion.
Summary:If beginning of 2018, you have invested 10 billion in crypto, until the end of the year you only remain about 1-2 billion.
Back to the present, the last 6 weeks of BTC fluctuate across the price of 60k and now decreased by about 35% of the value, being traded at 37k. (Total capitalization of BTC decreased by $ 221 billion; 1,092 reduced to 871 billion). And BTC.D decreased from 60% to 41%.
This 6 weeks, the total capitalization Altcoin increased US $ 529.2 billion (from 723 to $ 1,252 billion; increased by 73.1%) to increase the total market capitalization increased by $ 307.6 billion (from 1,815 to 2,123 billion $; 17% respectively). Recently, ETH X2, EOS X2, NEO X2 ... quite like the 2017 scenario.
If look at the current W, BTC drops to 30k or deeper to 20k in the coming time, there is nothing unexpectedly. But this will be the adjustment or downtrend? The existing BTC.D index is as important as 2017-2018; What are the constituent elements of the current market compared to the past?