NightShares ETF invests over night hours

 The NightShares ETF invests at the close of trading hours and sells in the morning, this only capturing the off-hours gains. 

NSPY and NIWM are listed on NYSE Arca and each have an expense ratio of 0.55 percent.

Link: https://www.businesswire.com/news/home/20220628005078/en/NightShares-Launches-the-Only-Family-of-ETFs-Focused-on-the-“Night-Effect”