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Updated: The Random Walk (the story of your life)
SPDR S&P 500 ETF TRUST
(
AMEX:SPY
)
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AMEX:SPY
SPDR S&P 500 ETF TRUST
Trend Analysis
random
randomness
12
5
trendanalysis
random
randomness
This is an attempt to predict future price movements.
The trend appears clear. But its an illusion created by aggregating random returns.
This is the random walk.
It can also be an allegory for life.
相关观点
The Black Penguin Waddle of 2021
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