Currently BTC prices have been hovering at 6000, and if the BTC prices fell to $5000, $4000 should be not far off, the market is confirmed in the bear market, want to rise to $20000, you may need a couple of years.
This is Bitcoin's lowest price. The market is flat, showing a balance between supply and demand. It's crazy if it goes down as the predicted price of professional investors is $ 30,000 at the end of 2018.