The No Underlying Index measures the performance of Investment Grade securities and is selected by a Proprietary process. Currently, 225 ETFs track the No Underlying Index with more than $52.99 B in ETP assets with an average expense ratio of 0.72%. The largest ETF is PIMCO Enhanced Short Maturity Active ETF (MINT) by PIMCO with $8.94 B in assets.
In the last 12 months, the best performing No Underlying Index ETF was the ARK Web x.0 ETF (ARKW) at 68.82%. The most-recent ETF launched by No Underlying Index was the Hartford Schroders Tax-Aware Bond ETF (HTAB) in April 2018.