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A comment on Behind the Market Swoon: The Herdlike Behavior of Computerized Trading. Parent comment

Re:Behind the Market Swoon: The Herdlike Behavior of Compute... by satya71 on Wednesday December 26, 2018 @10:46AM (#18762674)
I suspect it's the same, but operates thousands of times faster.
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Re:Behind the Market Swoon: The Herdlike Behavior of Compute... by ajross on Wednesday December 26, 2018 @11:20AM (#18762850)
This bear market took a week to develop. The crashes of 1929 and 1987 happened in a day. I don't think that point holds.
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Re:Behind the Market Swoon: The Herdlike Behavior of Compute... by bboreham on Wednesday December 26, 2018 @11:54AM (#18763092)
Which particular day in 1929 are you thinking of?

October 24 - 11% drop, followed by some recovery. October 28 - 13% drop October 29 - 12% drop

The lowest point in 1929 was reached on November 13. The bottom of the crash was on July 8, 1932.

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