get_EMV                 Get US Equity Market Volatility Index (EMV)
                        data
get_EPU                 Get Economic Policy Uncertainty (EPU) data
get_FSI                 Get Financial Stress Indicator (FSI) data
get_GPR                 Get Geopolitical Risk Index (GPR) data
get_IRI                 Get Immigration Related Index (IRI) data
get_OMI                 Get Oxford-Man Institute (OMI) data
get_TPU                 Get Trade Policy Uncertainty (TPU) data
get_WUI                 Get World Uncertainty Index (WUI) data
