A standard alternatives-dependent system will be the lined phone, wherever the ETF retains an fundamental asset and sells call selections on it, building money from the option premiums. Other approaches include things like applying set selections for hedging or combining selections for specific hazard and return profiles. 閱讀公開說明書：基本資料、基金簡介、受益人之權利及費用負擔、投... https://felixbktzf.madmouseblog.com/12644218/the-smart-trick-of-etf-investment-that-no-one-is-discussing