I like this fund too, but to clarify, it moves double inverse to to US T-Bond Yields. For instance, if the ETF portfolio has an average duration of 15, a one pe

I like this fund too, but to clarify, it moves double inverse to to US T-Bond Yields. For instance, if the ETF portfolio has an average duration of 15, a one percent increase in treasury bonds rates will cause a 30% increase in the ETF price. A nice hedge against higher rates.