ProShares
ProShares is an American provider of financial products, such as leveraged exchange-traded funds.
It is owned by ProFunds Group, which was founded in 1997 by Louis Mayberg and Michael Sapir with $100,000, both of whom were previously at the competitor company Rydex.
ProFunds launched the first bear market inverse mutual funds in 1997, and later the first inverse exchange-traded funds in 2006.
