Heisenberg

Constructing a Portfolio from the Top Down

I use themes to construct portfolios. In it's defence all I can say is "It works for me". And I use the ones Roger cited. One additional might be "Curriences". The relationship between the dollar and other currencies is fundamentally changing and will evolve over time. DBV works here, Half of RYMFX works, as does WIP and others. Waiting for a multi currency MMF.

Commodity ETF Overview

Thanks for all the detail.
The only other one I know of is RYMBX.
I think the traching error in PCRDX is due to the Pimco boys adjusting the biil/bond holdings to be in line with their interest rate forcasts.