Market Brief

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區良鍵先生(George Au)
業務副董事

工商管理(財務系)畢業, 有十多年投資經驗, 經歷過股災及大大小小的升/跌市. 善於配合基礎因素及技術分析, 整合不同投資工具, 在不同市況下作出相應投資決定. 熟悉本地投資市場, 尤精於股票期權、指數期權及期貨投資.
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Title: 疫情下的風險管理 (2)

Tuesday, April 21, 2020 Views13348

上月分享過一個: 基本上不用付出期權金, 低成本管理下跌風險的做法

http://www.poems.com.hk/zh-hk/research-and-analysis/market-brief/?id=11154&writerID=10119&cid=9%2c22

 

3月期指結算價 23,231, 上文做法:

- 全面地保障了指數從 24,800 跌至 23,400的風險

- 獲利 ~1,400

- 從結果論, 比單純 Long Put 有效益得多

 

 

 

現在分享另一個買賣策略

 

上文策略始終要承擔 Short Call 的潛在風險

以下策略潛在最大損失有限, 而潛在最大利潤無限, 也是一個潛在低成本的風險管理方法

 

 

17/3 個人做了以下買賣

 

 

策略:

Short 3月行使價 23,000 Put, 1,200 / 1

Long 4月行使價 23,000 Put, 1,780 / 1

淨付 580點期權金 / 1

 

 

17/3 3月期指收市價: 23,019點

如果要Long 1張 3月貼價, 不足半個月到期的 Put Option, 要 ~1,000點

 

但如果3月結算價在 23,000點以上,

以上3月Short Put 可賺到全數期權金 (1,200點)

減去 4月 Long Put 付出的期權金 (1,780點)

 

即是投資者可以用 580點的成本, 擁有 1張還有一個月到期(4) Long Put, 管理大市潛在下跌風險

相對在 17/3, 1張不足半個月到期的 Put (3), 也要 ~1,000

4Long Put 的成本大為減少

 

 

 

 

30 / March 效果:

3月期指結算, 結算價在 23,000 以上, 投資者賺到 3月 Short Put 的全數期權金 (1,200點)

換一個角度, 投資者Long 4月行使價 23,000 Put 的淨成本: 580點

 

30/3 4月行使價 23,000 Put Option, 收市價: 1,108點

投資者當刻淨賺 528

 

在那一刻, 投資者可選擇:

- 即時止賺獲利

- 或考慮保留這4Long Put, 管理潛在下跌風險  (Long Put 淨成本只是 580, 比市價便宜了 528)

[選項靈活, 可進可退]

 

 

 

最大潛在損失只是全數淨付出的期權金

(e.g. 恆指暴升/暴跌的情況下)

 

例子:

  1. 如恆指在3月大幅上升, 甚至升至 25,000點, 4月行使價的 Put Option 價值自然會下降.

在30/3 可能不值580點,  投資者變相付多了錢 Long 4月的 Put Option

 

 2.   如恆指在3月大幅下跌, Short Put (3月) 和 Long Put (4月) 損失和獲利相抵, 投資者這套組合就可能出現損失

 

 

組合效果:

潛在最大損失: 有限的 (580)

潛在最大利潤: 無限 (3月大市繼續下跌幅度不大, 4月大跌的情況下)

 

這套組合有一定限制, 例如恆指在3月進一步大跌, 它對管理大市下跌風險能力極有限,

和其它風險管理策略一起使用較好. (e.g. 20/3 分享的策略)

 

 

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逆向思考:

Short 4月Call

Long 5月 Call

同一行使價, 各做 1張

 

如 5月疫情好轉, 上市上升, 是否等於平價 Long 了 5月的 Call Option?

 

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應該會在數週內推出一些網上講座, 讓學員留在家中, 亦能 掌握在疫情下 (看好/看淡) 的風險管理知識, 大家可以留意:

金融進修中心網頁

以上純屬個人意見,不構成任何買賣邀請。本人區良鍵為証監會持牌人,本人及/或其有聯繫者會隨時就不同情況買賣上述分析的相關資產.


 

 

 

 

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