Volatility Breakout with Bollinger Bands.afl
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上传日期:2009-06-12
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- //------------------------------------------------------------------------------
- //
- // Formula Name: Volatility Breakout with Bollinger Bands
- // Author/Uploader: Joachim Feseck
- // E-mail: joachimfeseckqweb.de
- // Date/Time Added: 2003-01-19 07:49:55
- // Origin:
- // Keywords:
- // Level: medium
- // Flags: system,exploration
- // Formula URL: http://www.amibroker.com/library/formula.php?id=256
- // Details URL: http://www.amibroker.com/library/detail.php?id=256
- //
- //------------------------------------------------------------------------------
- //
- // This Tradingsystem gives buy and short signals when after Bollinger Bands
- // got very narrow they spread out and the Close touches the band (top or
- // bottom). Additionally the MFI has to confirm this volatility breakout. But
- // please be carefull because some stock suddenly change direction and in this
- // case the really change! For more information please read "Bollinger on
- // Bollinger Bands".
- //
- //------------------------------------------------------------------------------
- Band= (BBandTop( C, 20, 2 ) - BBandBot( C, 20, 2)) / MA(Close, 20 ) * 100;
- B= ((Close - BBandBot( Close, 20, 2 )) / (BBandTop( Close, 20, 2 ) - BBandBot( Close, 20, 2 ))) * 100;
- Buy = band < 15 AND b > 95 AND MFI(10) > 60;
- Sell = Cross(Close,SAR(0.01,0.2));
- Short = band < 15 AND b < 5 AND MFI(10) < 40;
- Cover = Cross(SAR(0.01,0.2), Close);
- Filter = (band < 15 AND b > 95 AND MFI(10) > 60) OR (band < 15 AND b < 5 AND MFI(10) < 40);
- NumColumns = 1;
- Column0 = Close;