1987年的ETF投资系统(ZT)

After I posted "ETF Asset Management System Since 1950", someone wants to know the exact reason for immediate execution of exchanging assets.

On October 19th, 1987, the U.S. stock market fell over 20% in one day, the largest percentage drop in history to this day.

S&P 500 Index in October 1987

However, if the signal of ETF Asset Management System were followed and quick action were taken, stocks would have been exchanged into fixed income asset on October 16th, the prior Friday.

The alternative equity curve of ETF Asset Management System would be like this:

That is precisely why I said "that it is imperative to exchange assets immediately whenever the ETF Asset Management System gives out a signal. "

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