Physical replication refers to the situation in which an exchange traded fund (ETF) tracks its benchmark by holding all or a portion of all the underlying securities that make up that benchmark. For ...

Synthetic replication refers to a type of exchange traded fund (ETF) that doesn’t hold any of the underlying securities featured on its benchmark. Rather than holding underlying securities (known as ...

- the repetition of an experiment in order to test the validity of its conclusion Example - " scientists will not believe an experimental result until they have seen at least one replication" ...