Very ominous. I have a couple of theories, now that it looks like BCH has breached the lower limit of its cup formation against BTC.
A big exchange is hacked or the Bitfinex banking and tether problems go beyond mere conspiracy theory and are found out to be true. This would destroy all crypto prices, but particularly altcoins, of which many more are stored on exchanges than BTC, with its plethora of wallets and community that have seen multiple exchange collapses. 2014 all over again.
The newly announced ERC-20 tether gains official banking recognition for dollar conversion and quickly becomes the defacto fiat of the crypto world.
The segwit2x fork cleaves BTC almost exactly in half, making each half almost worthless overnight. Who knows what becomes the reference after that.
I'm leaning on a whimper; not a bang.
BTC will go on the path of British Empire. It'll slowly loose dominance and end up being a"meh" currency. I've been repeatedly calling for under $5billion dollar market cap for BTC by 2020 and BCH price stabilizing over $1000 by next January.
Too bad we'll have a massive uptrend before the end of BTC. But in the end we'll eventually be free from Buttcoin's influence. Then the real coins will have a real chance to shine.