Leap in ETFs 

Trade via exchange-traded funds at Iran Fara Bourse (IFB) reached 1,983 trillion rials ($4.88 billion) in the first nine months (ended Dec 22) of the calendar year -- 147% higher on the same time last year indicating the role of ETFs in the equities market. 
Based on the last monthly market report seen on the IFB website, ETF units worth 382.44 trillion rials ($941.9m) changed hands in the month, up 282% from the same month last year.
An ETF is a type of pooled investment security. Typically, ETFs track a particular index, sector, commodity, or other asset, but can be purchased or sold on a stock exchange in the same way as a regular stock. The price of ETF units change throughout a trading day as the units are bought and sold.