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Re:Using a Keras Long Short-Term Memory Model to Predict Sto... by ak39 on Friday November 09, 2018 @03:21PM (#18417612)
Would it be the same (valid) with percentage returns?
Re:Using a Keras Long Short-Term Memory Model to Predict Sto... by goodside on Friday November 09, 2018 @04:04PM (#18418015)
Less so. Log-normal returns are better because they have the property that a summation of log-normal returns over contiguous intervals is equal to the log-normal returns of the combined interval. In other words: Losing 5% and then gaining 5% doesn’t put you back at exactly 100%, and log-normal fixes that.
Re:Using a Keras Long Short-Term Memory Model to Predict Sto... by theothermkn on Friday November 09, 2018 @10:01PM (#18419682)
In the extreme, two successive trades, where the first gains 110% and the second loses 100%, “average” out to a 5% return. However, you don’t want to make that pair of trades.
Re:Using a Keras Long Short-Term Memory Model to Predict Sto... by ak39 on Friday November 09, 2018 @11:39PM (#18419976)
Ah, that makes sense. Many thanks.