ProShares is the nation's fourth-largest provider of ETFs1, offering 76 ETFs that provide investors with short and leveraged exposure to major indexes. ProShares is part of ProFunds Group, which also includes more than 115 ProFunds mutual funds. Since 1997, ProFunds has provided mutual fund investors with easier access to sophisticated investment strategies, with offerings that include funds that seek to magnify daily index performance and funds that seek to increase in value when markets decline.