enhanced_ta

2021年10月6日

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

2021年10月7日

發行說明

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

2021年10月8日

發行說明

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

2021年10月8日

發行說明

Minor corrections

2021年10月8日

發行說明

Added Usage examples

2021年10月8日

發行說明

Update chart with examples

2021年10月9日

發行說明

Convert multiplier to float from simple float to allow variable values

2021年10月14日

發行說明

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

2021年10月30日

發行說明

v9

Added mfi to oscillator sources for oscillator method

2021年10月30日

發行說明

v10

Reverted last change as mfi was already there :(

2022年2月25日

發行說明

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

2022年2月25日

發行說明

v12

2022年3月5日

發行說明

v13

2022年3月12日

發行說明

v14

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