給長期看多油價的小散一點小提醒 - 股票

By Jessica
at 2020-04-18T10:13
at 2020-04-18T10:13
Table of Contents
想借用這個主旨請教轉倉成本的問題
從f大的說明來看
"這裡雖然稱作轉倉成本,但成本並不是在轉倉的時候突然發生,而是一個長期逐漸侵蝕投
資價值的過程。轉倉本身並不會突然造成損失,例如在正價差時,如果有90元的淨值,持
有10口值9元的最近月期貨,之後轉倉到值10元的下個月期貨,即買進9口,雖然所持口數
變少,但實際上投資的淨值仍然是90元。真正的轉倉成本的發生,是在其他條件(包括油
價,正價差狀況)不變的情形之下,原本次近月期貨的價格,會隨著它離到期日愈來愈近
,從10元降到9元,亦即這個損失是這一整個月造成,而非轉倉當下造成的。"
這意思指的應該是在正價差轉倉時,雖然期貨價格變高,
但是能夠轉過去的口數會少,
實際上淨值會是不變的
所以轉倉成本的關鍵是"原本次近月期貨的價格,會隨著它離到期日愈來愈近"而價格下降
可以請教一下這是為什麼嗎?
假如"次近月期貨的價格會隨著到期日越來越低"的命題為真,
那不是會導致轉倉日過後第一天價格最高,因此所有人都想當天直接賣出期貨,
以免價格越來低?
--
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