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Functions by Category Functions by Alphabetical list

BB ([Period], [Deviation])

Usable in an seer event objectUsable in an seer indicator objectUsable in an seer chart object

Bollinger Bands. Returns the upper band in scalar context and in list context returns the upper and lower bands.

Examples:

  my ($upper,$lower)=BB(20,2); #list context
  Today(BB(20,3)); #scalar context

Related functions:

ATR , ADX , CCI , MFI , OBV , RSI , SS , ROC , RS , Range , Envelope , DEMA , MACD , TypicalPrice , MedianPrice , WeightedClose , Momentum , WilliamsR , Performance , Percent , TrueRange , Volatility , PivotPoint , MoneyFlow , StaDev , AveDev , Variance , Skewness , Kurtosis , LongWhite , LongBlack , PiercingLine , BullishEngulfing , BearishEngulfing , HammerHanging , ThreeWhiteSoldiers , ThreeBlackCrows , DarkCloudCover , Doji , LinearReg , LinearRegAngle , LinearRegIntercept , LinearRegSlope , TSF , Correl

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