The recently launched ProShares Ultra Gold Miners (NYSEArca: GDXX) and ProShares Ultra Junior Miners (NYSEArca: GDJJ), take the 2x or 200% daily performance of large miners and junior miners, are off an average of 34% over that period. [Gold Miners ETF Field Expands With Double-Leveraged Funds]

Those glum performances have not stopped investors from pouring almost $374 million into NUGT since the start of the second quarter. The Direxion Daily Gold Miners Bear 3X Shares (NYSEArca: DUST) and the Direxion Daily Junior Gold Miners Index Bear 3X Shares (NYSEArca: JDST) are up an average of 75% over the past month, but investors have pulled a combined $63.4 million from those ETFs since the start of the second quarter.

The double-leveraged rivals to DUST and JDST, the ProShares UltraShort Gold Miners (NYSEArca: GDXS) and the ProShares UltraShort Junior Miners (NYSEArca: GDJS) are each up about 45% over the past 30 days.

Gold Bugs Chart

Chart Courtesy: Kimble Charting Solutions