RSI ([period])

Welles Wilder's Relitive Strength Index (RSI) is a popular oscillator that ranges between zero and 100. Reading's above 70 indicate the stock is overbought, while readings below 30 indicate the stock is oversold. Popular values for the RSI include 9 and 25 with the default being 14.

Example:

 my $rsi=RSI(14);
 Today(RSI(4));

Related functions:

ATR , ADX , BB , CCI , MFI , OBV , 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