2024-08-27|閱讀時間 ‧ 約 25 分鐘

[回測] 持有槓桿基金能提高存活率?(蒙地卡羅模擬Monte Cario Simulation)

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回測使用網站 https://www.portfoliovisualizer.com/monte-carlo-simulation

回測時間:Jul 2006 - Dec 2023 (QQQ 成立日期 1999/03/10 ; QLD 成立日期 2006/6/18)

Asset1 : QQQ 100%, Beta 1.0

Asset2 : QQQ 80% , QLD 10%, CASH 10%, Beta 1.0

Asset3:QQQ 60%, QLD 20%, CASH 20%, Beta 1.0

※Initial Amount:10,000,000

※Withdrawal Frequency:Monthly

※Withdraw amount:80,000

※Rebalancing:rebalance annually

※Performance Summary

同樣是 Beta 1.0 槓桿基金,有較佳的 Sharpe Ratio,年化報酬率也比較高。

若 Withdraw amount 改為 100,000 ,則 QQQ 100% 則會破產。另外持有槓桿基金的則不會。

若每個 profolio 用 蒙地卡羅來模擬分析,30年滾動模擬10000次,存活百分比如下:

Asset1 : QQQ 100%

2247 portfolios out of 10000 simulated portfolios (22.47%) survived all withdrawals.

Asset2 : QQQ 80% , QLD 10%, CASH 10%, Beta 1.0

6298 portfolios out of 10000 simulated portfolios (62.98%) survived all withdrawals.

Asset3:QQQ 60%, QLD 20%, CASH 20%, Beta 1.0

6467 portfolios out of 10000 simulated portfolios (64.67%) survived all withdrawals.

Asset4:QQQ 50%, QLD 25%, CASH 25%, Beta 1.0

6514 portfolios out of 10000 simulated portfolios (65.14%) survived all withdrawals.

Assets 改為 5%提領後,

10000 portfolios out of 10000 simulated portfolios (100.00%) survived all withdrawals.

存活率為 100%


[結論]

1. 從歷史數據來說,投資組合持有部份槓桿基金能提高存活率。

2. 以QQQ的標的來說,5%提領可以滿足30年提領不破產。


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