$FANG+指数3X杠杆ETN-MicroSectors(FNGU)$ 好像被限制开仓了,为什么❓ " BUY 20 FNGU ARCA" Not allowed to open a position: contract subject to 871 (m) 啥意思,871是什么?
$FANG+指数3X杠杆ETN-MicroSectors(FNGU)$ 好像被限制开仓了,为什么❓ " BUY 20 FNGU ARCA" Not allowed to open a position: contract subject to 871 (m) 啥意思,871是什么?
$ARK 21SH BTN ETF(ARKB)$ 这11个etf天朝韭菜都没资格参与吧