An ETF, or exchange traded fund, is a fund whose units are listed on a stock exchange and bought and sold there through a demat account.
An exchange traded fund is a mutual fund scheme whose units trade on the NSE and BSE like shares, through a broker and a demat account. Most ETFs in India track an index, such as the Nifty 50, or hold gold or silver.
How it differs from an ordinary open-ended fund:
How closely an ETF follows its index shows in its tracking error.
An ETF fund of funds is different. It is an ordinary mutual fund that invests in an ETF and is bought from the fund house without a demat account. See fund of funds.
Each fund page has its returns, risk, costs, managers and everything it holds.