PXS seeks to replicate, to the extent reasonably possible and before fees and expenses, the performance of the FTSE RAFI® US 1000 Index, or any successor thereto, on an unhedged basis, in the case of any unhedged units, or on a hedged basis, in the case of any hedged units. This Invesco ETF invests, directly or indirectly, primarily in U. S. equity securities.