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A comment on S&P 500 triggers 15-minute trading halt for the second time this week. Parent comment

Re:S&P 500 triggers 15-minute trading halt for the second ti... by ggambetta on Thursday March 12, 2020 @10:39AM (#22557320)
An even simpler and mostly equivalent formulation is the "your age in bonds" rule of thumb.
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Re:S&P 500 triggers 15-minute trading halt for the second ti... by vishnugupta on Thursday March 12, 2020 @12:04PM (#22558207)
The version I’ve heard is “equity share of your investments == life expectancy - current age”
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