The Innovator Emerging Markets Power Buffer ETF seeks to track the return of the iShares MSCI EM ETF (EEM), up to a predetermined cap, while buffering investors against the first 15% of losses over the outcome period. The ETF can be held indefinitely, resetting at the end of each outcome period, approximately annually.Innovator Defined Outcome ETFs are the first ETFs that allow investors to take advantage of market growth while maintaining defined levels of buffers against loss. The ETFs are as tax-efficient as traditional ETFs due to a recent rule change allowing the in-kind trading of options.