There is no correlation what so ever between Bitcoin and the market capitalization or stock price history of a company. Bitcoin is not a company, it's a new kind of commodity that has never been valued before in the marketplace. The value of all the gold in circulation is around $7.8 Trillion. Imagine if all the gold in the world had been mined in just 8 years. How would the market value it as demand grew exponentially and it become adopted as a store of wealth? As a means of trade? As a vehicle to circumvent capital controls? With broad adoption, just as a world wide store of wealth, it could easily see a notional value in the Trillions. Unlike Gold, adoption and transfer of BitCoin can happen at an exponential rate. There is no reason why with a 10 fold increase in demand BTC could not increase another 10 fold next year. There is no reason why this increase could not initially occur due to pure speculation as often happens with startups that have a product or idea that offers the potential for a real paradigm shift in some market. All it would take is putting it on a major commodity exchange or allowing it to become a regular investment vehicle in markets, as an ETF for instance. Allow everyone to easily incorporate BTC into their IRA just like they can buy stocks or bands now on major world stock exchanges would create exponential additional demand. Look at the article about CoinBase adding 100,000 new accounts in the past week or so. And yet they still only have 13 Million accounts. What will BitCoin be when they have 130 Million accounts x all the other place to exchange, but, or sell? What happen when 100 Million people hold bitcoin? What about a Billion people? If BTC became as widely adopted and held as gold, one coin would be worth about $475,000.
I think we are all interested in BitCoin because we know these scenarios, however unlikely, can't be ignored as crazy or crackpot. The 'market cap' of BitCoin is only limited to the market cap of money itself.