# Approved Synthetic Assets

<table><thead><tr><th width="185">Synthetic Asset ID</th><th width="142">Display Name</th><th width="173">Synth Description</th><th width="174">Update Frequency</th><th>Price Feed API</th></tr></thead><tbody><tr><td>VT</td><td>Vanguard Total World Stock ETF</td><td>This synth tracks the spot trading price of the Vanguard Total World Stock Index ETF in USD</td><td>Monday to Friday 9:30am to 4:00pm ET</td><td><a href="https://twelvedata.com/docs#getting-started">https://twelvedata.com/docs#getting-started</a></td></tr><tr><td>USCPI</td><td>Consumer Price Index for All Urban Consumers: All Items in U.S. City Average</td><td>This synth tracks the latest price for the U.S. Consumer Price index for All Urban Consumers: All Items in U.S. City Average</td><td>Monthly</td><td><a href="https://fred.stlouisfed.org/docs/api/fred/">https://fred.stlouisfed.org/docs/api/fred/</a></td></tr><tr><td>NLHPI</td><td>Netherlands House Price Index</td><td>This synth tracks the latest value of the Netherlands House Price Index (NLHPI)</td><td>Monthly</td><td><a href="https://opendata.cbs.nl/ODataApi/odata/83906ENG">https://opendata.cbs.nl/ODataApi/odata/83906ENG</a></td></tr></tbody></table>