ProShares 又關掉許多賭館。。。
https://www.proshares.com/news/proshares_announces_changes_to_etf_lineup_031220.html
下麵這個歸零了
UltraPro 3x Short Crude Oil ETF
https://www.proshares.com/news/proshares_announces_changes_to_etf_lineup_031220.html
下麵這個歸零了
UltraPro 3x Short Crude Oil ETF