UGL
The ProShares ProShares Ultra Gold 2x Shares (UGL) is an exchange-traded fund (ETF) that tracks the performance of the Bloomberg Gold Subindex. The fund is managed by ProShares and was launched in 2008.
The Bloomberg Gold Subindex measures the return from a rolling long position in gold futures contracts traded on the COMEX exchange. It reflects the spot price return of gold plus the roll return from periodically rolling expiring contracts into the next-month contract.
UGL is a passively managed index ETF that seeks to replicate the holdings and performance of its benchmark with low tracking error. It is suitable for investors seeking broad, low-cost market exposure.
This is used in this portfolio Insomniac