You dont understand it at all. It is due to the derivatives

来源: 于 2024-05-25 17:39:50 [旧帖] [给我悄悄话] 本文已被阅读：次

inherited premium decay hence the high cost. 

Why do you not read up the description of TQQQ from the issuer?!  It is all there on what are the holdings of TQQ, and HOW TQQQ makes (or loses) money...