Silver prices have soared, so it is not surprising that the ProShares Ultra Silver (NYSEArca: ZSL), a double-leveraged bet on silver, has pulled in $37.3 million in new capital over the past 30 days. However, bond yields have spiked, indicating outflows from the ProShares UltraShort 20+ Year Treasury (NYSEArca: TBT) are either surprising or a sign some investors were not expecting Treasury yields to continue heading north. [Silver ETFs Shine on Optimistic Sentiment]

The Direxion Daily Energy Bear 3X Shares (NYSEArca: ERY) and the ProShares UltraShort Financials (NYSEArca: SKF) pulled in a combined $5.5 million over past month, perhaps a sign some traders are expecting downturns for previously solid sectors as well.

ProShares UltraShort Financials

ETF Trends editorial team contributed to this post.