In this form, gold is traded as a contract - for - difference instrument, which does not involve physical exchange of the asset. (fxempire.com)
We can't just move people on physical exchanges.» (educationnext.org)
In the last Economic Pulse, we refuted a well - publicized criticism about the alleged systemic risk posed by physical exchange - traded funds (ETFs) to the overall equity market. (pwlcapital.com)