Answer:
Exchanged-traded funds
Explanation:
Exchanged-traded funds are forms of investment that are usually traded on stock exchange the way other securities are traded, but they have an underlying asset.
Unlike mutual funds ETF are traded on the stock exchange at all periods of the day.
Assets held by ETF includes, shares, currencies, bonds, and commodities like gold and oil.
Value of trade is kept close to the net value of the underlying asset.