VIX期貨史上最貴的風險事件:今年11月美國大選 - 股票
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By Madame
at 2020-09-03T16:25
at 2020-09-03T16:25
Table of Contents
1.原文連結:
https://news.cnyes.com/news/id/4520330
2.原文內容:
據《彭博》報導,隨著美國股市持續衝擊歷史高位,許多投資人的注意力已轉向 11 月總
統大選可能帶來的風險。
但是,想對沖這一潛在風險並不便宜,一種押注股市波動率的常見做法,稱為「蝶式交易
(butterfly trade)」,已經讓 11 月大選成為有紀錄以來最貴的風險事件。
將於 10 月底到期的 Cboe 波動率指數 (VIX) 期貨,週二 (1 日) 收盤報 33.5。相較之
下,現貨 VIX 指數收報 26.1。
10 月底到期的期貨屬於次月合約,押注的是接下來一個月的預期波動率,它的價格高於
9 月到期 (當月) 及 11 月到期 (第 3 個月) 合約,說明主要風險押注 11 月大選帶來
的變動。
而「蝶式交易」的做法,是購買當月和第 3 個月合約各一個單位,同時賣出兩個單位的
次月合約,正能以數字反映出這個價差。目前,這種交易的價格為 - 6.9,代表最近及較
遠的兩月「翅膀」與 10 月「腹部」之間的溢價情況。
彭博宏觀策略師 Cameron Crise 指出,自 VIX 期貨於 2004 年開始交易後,從未見過有
這種溢價的事件風險。今年 3 月 18 日曾出現過更高溢價,但當時主要是受到即期合約
當日到期的影響,當天標普 500 指數大跌 5.2%。
Crise 稱,10 月和 11 月 VIX 期貨之間的價差也達約 - 1.7,這違反一般狀況,即愈是
遠期理論上不確定性愈高。相較之下,歷史平均值是 0.2 附近。
Crise 表示,這展現了下注者對大選的擔心,可能是自 2000 年大選最終由最高法院裁定
之後,不確定性最高的一次選舉。
3.心得/評論:
這一周SP500一直漲,VIX也一直漲,
現在買10月賣是不是大機率賺錢XD
--
99vix
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股票
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