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You guys are confusing randomness, independence and stationarity big time.
--- In amibroker@xxxxxxxxxxxxxxx, "Dave Merrill" <dmerrill@xxxx> wrote:
> agreed. if the fact that a trading system did well in the past has no
> bearing whatsoever on whether it does well in the future, how can we
know
> anything at all about the future performance of a proposed trading
system?
>
> dave
>
> The gambler”Ēs fallacy is a fallacy because the gambler ignores the
> independence of the outcomes and looks for patterns that do not
exist. If
> we have designed trading systems based on recognition of patterns that
> precede profitable trading opportunities, and if those patterns are
> persistent, then we no longer have random, independent outcomes. Our
> trading systems do have serial dependencies and upward sloping equity
> curves. So analysis of the equity curve provides an indication of the
> health of the trading system.
>
>
>
> Howard
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