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safdar
As Preston has explained, making sure that the number of days/periods explored is that same as that
displayed will solve the problem. The underlying reason for apparent problem is that RSI uses
Wilders Smoothing internally. Wilders Smoothing is a form of exponential moving average, and because
exponential moving averages these retain a diminishing portion of ALL available data, the plotted
value is influenced by data well outside the nominal "periods" parameter.
As a rule of thumb use at least 5 times as much data in an exploration as the highest "periods"
value in your code. This is usually sufficient to give "accuracy" to within four decimal places.
Quite a number of other functions exhibit the same symptom, ADX, ATR etc. etc.
Kind regards
Roy Larsen
www.metastocktips.co.nz
Free formulas and MS links
----- Original Message -----
From: "safdar bagasrawala" <safdar19@xxxxxxxxx>
To: <equismetastock@xxxxxxxxxxxxxxx>
Sent: Monday, October 18, 2004 6:02 AM
Subject: [EquisMetaStock Group] explorer returning wrong results
> when I explore for stocks with RSI less than with formula :rsi(close,14)< than 30 in the filter
> the results are wrong. why this is happining.
> the expert advisor shows different value than the report in explorer
> value of plotted indicato(rsi) is correct. plese some one help incorrecting this anomaly
>
>
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