FT Vest U.S. Equity Buffer ETF - May (FMAY) is an exchange-traded fund in the Defined Outcome category. It has $1.39B in assets, an expense ratio of 0.85% and a 0.00% dividend yield. Under normal market conditions, the fund will invest substantially all of its assets in FLexible EXchange® Options ("FLEX Options") that reference the price performance of the SPDR® S&P 500® ETF Trust (the "Underlying ETF"). It is non-diversified.