關於股債平衡使用於保證金帳戶之疑問 - 投資
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By Quintina
at 2021-03-10T06:47
at 2021-03-10T06:47
Table of Contents
最近剛開始使用IB的投資組合保證金帳戶 有一個關於股債平衡應用於融資的想法
想拿出來詢問版友的意見
股票方面選擇使用VTI IB預設為8%的維持保證金(在此不討論重倉的額外保證金)
債券方面選擇TLT IB預設一樣是8%的維持保證金(在此一樣不討論重倉的額外保證金)
假設目前投入1萬美元的現金 融資1萬美金買入共2萬美元的VTI
20000*A-10000=20000*A*8% A約為54%
此時觸發強制平倉線為54% 也就是VTI跌幅46%會觸發強制平倉
(IB的強制平倉觸發條件為:淨資產小於維持保證金)
如果我除了融資1萬美元買入VTI以外 額外融資2萬美元買入TLT(共融資3萬美元)
然後我選了兩個近20年來最大的熊市跌幅(不會有.com泡沫) 來看強制平倉觸發的條件
第一個大跌幅時間是2007年7月13日到2009年3月6日
VTI由77.1跌至34.1 跌幅56% 此時TLT由84漲至103 漲幅22%
第二個大跌幅時間是2020年2月14日到2020年3月20日
VTI由171跌至115 跌幅33% 此時TLT由144漲至159 漲幅10%
第一個跌幅的情況下
淨資產 20000*0.44+20000*1.22-30000=2800
保證金 (20000*0.44+20000*1.22)*0.08=2656
剛好不觸發強制平倉
第二個跌幅的情況下
淨資產 20000*0.67+20000*1.1-30000=5400
保證金 (20000*0.67+20000*1.1)*0.08=2832
也不觸發強制平倉
而且TLT的部位越大 強制平倉線還能更安全
所以請問在融資利率低(1.5%)的情況下
我是否應該增加槓桿 買入較多的長期公債 來保護我的股票資產穩定度呢?
(減少觸發強制平倉的機會)
當然股市裡面也會出現股債雙跌的情況 但是似乎股債雙跌的情況下跌的幅度通常不會太多?
(跟熊市比起來)
不知道這種想法有沒有漏洞 希望版友能指教 謝謝
--
想拿出來詢問版友的意見
股票方面選擇使用VTI IB預設為8%的維持保證金(在此不討論重倉的額外保證金)
債券方面選擇TLT IB預設一樣是8%的維持保證金(在此一樣不討論重倉的額外保證金)
假設目前投入1萬美元的現金 融資1萬美金買入共2萬美元的VTI
20000*A-10000=20000*A*8% A約為54%
此時觸發強制平倉線為54% 也就是VTI跌幅46%會觸發強制平倉
(IB的強制平倉觸發條件為:淨資產小於維持保證金)
如果我除了融資1萬美元買入VTI以外 額外融資2萬美元買入TLT(共融資3萬美元)
然後我選了兩個近20年來最大的熊市跌幅(不會有.com泡沫) 來看強制平倉觸發的條件
第一個大跌幅時間是2007年7月13日到2009年3月6日
VTI由77.1跌至34.1 跌幅56% 此時TLT由84漲至103 漲幅22%
第二個大跌幅時間是2020年2月14日到2020年3月20日
VTI由171跌至115 跌幅33% 此時TLT由144漲至159 漲幅10%
第一個跌幅的情況下
淨資產 20000*0.44+20000*1.22-30000=2800
保證金 (20000*0.44+20000*1.22)*0.08=2656
剛好不觸發強制平倉
第二個跌幅的情況下
淨資產 20000*0.67+20000*1.1-30000=5400
保證金 (20000*0.67+20000*1.1)*0.08=2832
也不觸發強制平倉
而且TLT的部位越大 強制平倉線還能更安全
所以請問在融資利率低(1.5%)的情況下
我是否應該增加槓桿 買入較多的長期公債 來保護我的股票資產穩定度呢?
(減少觸發強制平倉的機會)
當然股市裡面也會出現股債雙跌的情況 但是似乎股債雙跌的情況下跌的幅度通常不會太多?
(跟熊市比起來)
不知道這種想法有沒有漏洞 希望版友能指教 謝謝
--
Tags:
投資
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