You can't. The "valuation" number that is reported for unicorns is made up. It's not related to the sale of shares of the company because the company isn't publ

You can't. The "valuation" number that is reported for unicorns is made up. It's not related to the sale of shares of the company because the company isn't public yet. To short, there has to be a market for the shares with reasonably good liquidity.