So, Bitcoins can be borrowed and sold short in a numerous ways.
And...
It is a currency according to FinCEN.... so...
The Federal Reserve is within its charter to manipulate it, and with a tiny fraction of one day's money creation, put the price wherever it wants, 50, 5, 500, 50,000. Whatever suits them, at will, whenever they like. And they can do it with their reserve banking partners, with as many billions of fiat as they need.
Enter the leviathan, whales beware.
More likely they will do what they did with gold. Though that was more expensive. They dumped about $28billion in a single block trade to break the market down, with an immediate loss of over $1B on the gap down in April.