enhanced_ta

Library "enhanced_ta"
Collection of all custom and enhanced TA indicators

ma(source, maType, length) returns custom moving averages
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length

Returns: moving average for the given type and length

bb(source, maType, length, multiplier) returns Bollinger band for custom moving average
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length
  
• multiplier: Standard Deviation multiplier

Returns: Bollinger band with custom moving average for given source, length and multiplier

bbw(source, maType, length, multiplier) returns Bollinger bandwidth for custom moving average
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length
  
• multiplier: Standard Deviation multiplier

Returns: Bollinger Bandwidth for custom moving average for given source, length and multiplier

bpercentb(source, maType, length, multiplier) returns Bollinger Percent B for custom moving average
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length
  
• multiplier: Standard Deviation multiplier

Returns: Bollinger Percent B for custom moving average for given source, length and multiplier

kc(source, maType, length, multiplier) returns Keltner Channel for custom moving average
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length
  
• multiplier: Standard Deviation multiplier

Returns: Keltner Channel for custom moving average for given souce, length and multiplier

kcw(source, maType, length, multiplier) returns Keltner Channel Width with custom moving average
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length
  
• multiplier: Standard Deviation multiplier

Returns: Keltner Channel Width for custom moving average

kpercentk(source, maType, length, multiplier) returns Keltner Channel Percent K Width with custom moving average
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length
  
• multiplier: Standard Deviation multiplier

Returns: Keltner Percent K for given moving average, source, length and multiplier

dc(source, useCustomSource, length) returns Custom Donchian Channel
Parameters:

• source: - Custom source
  
• useCustomSource: - Custom source is used only if useCustomSource is set to true
  
• length: - donchian channel length

Returns: Donchian channel

oscillatorRange(source, method, highlowLength, rangeLength) returns Custom overbought/oversold areas for an oscillator input
Parameters:

• source: - Osillator source such as RSI, COG etc.
  
• method: - Valid values for method are : sma, ema, hma, rma, wma, vwma, swma, highlow
  
• highlowLength: - length on which highlow of the oscillator is calculated
  
• rangeLength: - length used for calculating oversold/overbought range - usually same as oscillator length

Returns: Dynamic overbought and oversold range for oscillator input

เอกสารเผยแพร่:

Library "enhanced_ta"
Collection of all custom and enhanced TA indicators

ma(source, maType, length) returns custom moving averages
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length

Returns: moving average for the given type and length

bb(source, maType, length, multiplier, sticky) returns Bollinger band for custom moving average
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length
  
• multiplier: Standard Deviation multiplier
  
• sticky: - sticky boundaries which will only change when value is outside boundary.

Returns: Bollinger band with custom moving average for given source, length and multiplier

bbw(source, maType, length, multiplier, sticky) returns Bollinger bandwidth for custom moving average
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length
  
• multiplier: Standard Deviation multiplier
  
• sticky: - sticky boundaries which will only change when value is outside boundary.

Returns: Bollinger Bandwidth for custom moving average for given source, length and multiplier

bpercentb(source, maType, length, multiplier, sticky) returns Bollinger Percent B for custom moving average
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length
  
• multiplier: Standard Deviation multiplier
  
• sticky: - sticky boundaries which will only change when value is outside boundary.

Returns: Bollinger Percent B for custom moving average for given source, length and multiplier

kc(source, maType, length, multiplier, sticky) returns Keltner Channel for custom moving average
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length
  
• multiplier: Standard Deviation multiplier
  
• sticky: - sticky boundaries which will only change when value is outside boundary.

Returns: Keltner Channel for custom moving average for given souce, length and multiplier

kcw(source, maType, length, multiplier, sticky) returns Keltner Channel Width with custom moving average
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length
  
• multiplier: Standard Deviation multiplier
  
• sticky: - sticky boundaries which will only change when value is outside boundary.

Returns: Keltner Channel Width for custom moving average

kpercentk(source, maType, length, multiplier, sticky) returns Keltner Channel Percent K Width with custom moving average
Parameters:

• source: Moving Average Source
  
• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow
  
• length: Moving Average Length
  
• multiplier: Standard Deviation multiplier
  
• sticky: - sticky boundaries which will only change when value is outside boundary.

Returns: Keltner Percent K for given moving average, source, length and multiplier

dc(length, useAlternateSource, alternateSource, sticky) returns Custom Donchian Channel
Parameters:

• length: - donchian channel length
  
• useAlternateSource: - Custom source is used only if useAlternateSource is set to true
  
• alternateSource: - Custom source
  
• sticky: - sticky boundaries which will only change when value is outside boundary.

Returns: Donchian channel

dcw(length, useAlternateSource, alternateSource, sticky) returns Donchian Channel Width
Parameters:

• length: - donchian channel length
  
• useAlternateSource: - Custom source is used only if useAlternateSource is set to true
  
• alternateSource: - Custom source
  
• sticky: - sticky boundaries which will only change when value is outside boundary.

Returns: Donchian channel width

dpercentd(useAlternateSource, alternateSource, length, sticky) returns Donchian Channel Percent of price
Parameters:

• useAlternateSource: - Custom source is used only if useAlternateSource is set to true
  
• alternateSource: - Custom source
  
• length: - donchian channel length
  
• sticky: - sticky boundaries which will only change when value is outside boundary.

Returns: Donchian channel Percent D

oscillatorRange(source, method, highlowLength, rangeLength, sticky) returns Custom overbought/oversold areas for an oscillator input
Parameters:

• source: - Osillator source such as RSI, COG etc.
  
• method: - Valid values for method are : sma, ema, hma, rma, wma, vwma, swma, highlow
  
• highlowLength: - length on which highlow of the oscillator is calculated
  
• rangeLength: - length used for calculating oversold/overbought range - usually same as oscillator length
  
• sticky: - overbought, oversold levels won't change unless crossed

Returns: Dynamic overbought and oversold range for oscillator input

เอกสารเผยแพร่:

Library "enhanced_ta"
Updated indicators

atr(maType, length) returns ATR with custom moving average
Parameters:

• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow, linreg, median
  
• length: Moving Average Length

Returns: ATR for the given moving average type and length

atrpercent(maType, length) returns ATR as percentage of close price
Parameters:

• maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow, linreg, median
  
• length: Moving Average Length

Returns: ATR as percentage of close price for the given moving average type and length

oscillator(type, length, shortLength, longLength, source, highSource, lowSource, method, highlowLength, sticky) oscillator - returns Choice of oscillator with custom overbought/oversold range
Parameters:

• type: - oscillator type. Valid values : cci, cmo, cog, mfi, roc, rsi, stoch, tsi, wpr
  
• length: - Oscillator length - not used for TSI
  
• shortLength: - shortLength only used for TSI
  
• longLength: - longLength only used for TSI
  
• source: - custom source if required
  
• highSource: - custom high source for stochastic oscillator
  
• lowSource: - custom low source for stochastic oscillator
  
• method: - Valid values for method are : sma, ema, hma, rma, wma, vwma, swma, highlow, linreg, median
  
• highlowLength: - length on which highlow of the oscillator is calculated
  
• sticky: - overbought, oversold levels won't change unless crossed

Returns: Oscillator value along with dynamic overbought and oversold range for oscillator input

เอกสารเผยแพร่:

Minor corrections

เอกสารเผยแพร่:

Added Usage examples

เอกสารเผยแพร่:

Update chart with examples

เอกสารเผยแพร่:

Convert multiplier to float from simple float to allow variable values

เอกสารเผยแพร่:

multibands(bandType, source, maType, length, useTrueRange, sticky, numberOfBands, multiplierStart, multiplierStep) multibands - returns Choice of oscillator with custom overbought/oversold range
  Parameters:
    bandType: - Band type - can be either bb or kc
    source: - custom source if required
    maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow, linreg, median
    length: - Oscillator length - not used for TSI
    useTrueRange: - if set to false, uses high-low.
    sticky: - for sticky borders which only change upon source crossover/crossunder
    numberOfBands: - Number of bands to generate
    multiplierStart: - Starting ATR or Standard deviation multiplier for first band
    multiplierStep: - Incremental value for multiplier for each band
  Returns: array of band values sorted in ascending order

เอกสารเผยแพร่:

v9

Added mfi to oscillator sources for oscillator method

เอกสารเผยแพร่:

v10

Reverted last change as mfi was already there :(

เอกสารเผยแพร่:

v11

Added:
mbandoscillator(bandType, source, maType, length, useTrueRange, stickyBands, numberOfBands, multiplierStart, multiplierStep) mbandoscillator - Multiband oscillator created on the basis of bands
  Parameters:
    bandType: - Band type - can be either bb or kc
    source: - custom source if required
    maType: Moving Average Type : Can be sma, ema, hma, rma, wma, vwma, swma, highlow, linreg, median
    length: - Oscillator length - not used for TSI
    useTrueRange: - if set to false, uses high-low.
    stickyBands: - for sticky borders which only change upon source crossover/crossunder for band detection
    numberOfBands: - Number of bands to generate
    multiplierStart: - Starting ATR or Standard deviation multiplier for first band
    multiplierStep: - Incremental value for multiplier for each band
  Returns: oscillator state - current state, median values

เอกสารเผยแพร่:

v12

เอกสารเผยแพร่:

v13

เอกสารเผยแพร่:

v14

Added:
timer(timeStart, endTime) finds difference between two timestamps
  Parameters:
    timeStart: - start timestamp
    endTime: - end timestamp