The Short Bitcoin Strategy ProFund - Investor Class (BITIX) is a mutual fund that focuses on shorting or betting against the price of Bitcoin. This means that the fund aims to profit from a decline in the value of Bitcoin. It is designed for investors who are looking to diversify their portfolio and potentially benefit from the volatility of the cryptocurrency market. The fund is managed by experienced professionals and is suitable for investors who are willing to take on a higher level of risk in pursuit of potential returns.