Just spoke with several financial experts with backgrounds in the banking sector. They told me once Japan opens itself up to the Bitcoin the currency is very likely to reach the 30.000 USD mark before 2020 since
Japan has been known to be a trendsetter and have high influence on the EU and US markets.
$30,000 by 2020 for Bitcoin is very ambitious. I suppose it's possible but the price would need to be 6 times higher than the current price in 3 years. Actually if they are saying it would reach that before 2020 then it would be in just 2 years. We've seen an increase even greater than that for the past year but it's hard to predict a high return continuing for 2 more years straight, but it's possible