只係d背書野, 我都係睇左兩三本書岩岩開始研究既傻散
同埋t bill/note/bond return大概4-5%, sp500 stock return 大概5-8% (dividend yield 2% + growth 3-5% (9估)) 我見bond return唔係太差所以都加埋bond
90%/10%呢個數字係我行自己個portfolio backtest 我feel comfortable 既數字 (好主觀)
因為我後生可以hold long period of time 去reduce stock risk所以揸少少bond算, 其實都想過唔揸
以上所有野都係睇書(仲要本書好久遠 00s) " The Intelligent of Asset Allocator"