Functions Reference


                    
                    
                    sma(_:period:)

Simple moving average

Declaration

Swift

public func sma(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The inputs
`n`	The period


                    
                    
                    wma(_:period:)

Weighted moving average

Declaration

Swift

public func wma(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The inputs
`n`	The period


                    
                    
                    ema(_:period:)

Exponential moving average

Declaration

Swift

public func ema(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The inputs
`n`	The period


                    
                    
                    dema(_:period:)

Double exponential moving average

Declaration

Swift

public func dema(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The inputs
`n`	The period


                    
                    
                    tema(_:period:)

Triple exponential moving average

Declaration

Swift

public func tema(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The inputs
`n`	The period


                    
                    
                    trima(_:period:)

Triangular Moving Average

Declaration

Swift

public func trima(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The inputs
`n`	The period


                    
                    
                    kama(_:period:)

Kaufman Adaptive Moving Average /// - Parameter inputs: The inputs

Declaration

Swift

public func kama(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`n`	The period


                    
                    
                    bbands(_:period:stddev:)

Compute the values of the three components of the bollinger bands

Declaration

Swift

public func bbands(_ inputs: [Double], period: Int, stddev: Double) -> (Int, BBandResult)

Parameters

`period`	The period
`stddev`	The standard deviation
`inputs`	The inputs

Return Value

The result as a tuple of (Int ,BBBandResult)


                    
                    
                    abs(_:)

Vector Absolute Value

Declaration

Swift

public func abs(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs values


                    
                    
                    acos(_:)

Declaration

Swift

public func acos(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs values


                    
                    
                    ad(_:)

Accumulation/Distribution Line

Declaration

Swift

public func ad<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements


                    
                    
                    add(a:b:)

Vector addition

Declaration

Swift

public func add(a: [Double], b: [Double]) -> (Int, [Double])

Parameters

`a`	Inputs A
`b`	Inputs B


                    
                    
                    adosc(_:short_period:long_period:)

Accumulation/Distribution Oscillator

Declaration

Swift

public func adosc<T>(_ inputs: [T], short_period: Double, long_period: Double) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`short_period`	The short period value
`long_period`	The long period value


                    
                    
                    adx(_:period:)

Average Directional Movement Index

Declaration

Swift

public func adx<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`period`	The period


                    
                    
                    adxr(_:period:)

Average Directional Movement Rating

Declaration

Swift

public func adxr<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`period`	The period


                    
                    
                    ao(_:)

Aweosome Oscillator

Declaration

Swift

public func ao<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An arrayof Quotable elements.


                    
                    
                    apo(_:)

Absolute Price Oscillator

Declaration

Swift

public func apo(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The input values


                    
                    
                    arroon(_:period:)

Aroon

Declaration

Swift

public func arroon<T>(_ inputs: [T], period n: Int) -> (Int, ArroonResult) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`n`	The period


                    
                    
                    aroonosc(_:period:)

Aroon Oscillator

Declaration

Swift

public func aroonosc<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`n`	The period


                    
                    
                    asin(_:)

Vector Arcsine

Declaration

Swift

public func asin(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs values


                    
                    
                    atan(_:)

Vector Arctangent

Declaration

Swift

public func atan(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs values


                    
                    
                    atr(_:period:)

Average True Range

Declaration

Swift

public func atr<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	The inputs
`n`	The period


                    
                    
                    avgprice(_:)

Average Price

Declaration

Swift

public func avgprice<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements


                    
                    
                    bop(_:)

Balance of Power

Declaration

Swift

public func bop<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements


                    
                    
                    cci(_:period:)

Commodity Channel Index

Declaration

Swift

public func cci<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`n`	The period


                    
                    
                    ceil(_:)

Vector Ceiling

Declaration

Swift

public func ceil(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    cmo(_:period:)

Chande Momentum Oscillator

Declaration

Swift

public func cmo(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The inputs
`n`	The period


                    
                    
                    cos(_:)

Vector Cosine

Declaration

Swift

public func cos(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    cosh(_:)

Vector Hyperbolic Cosine

Declaration

Swift

public func cosh(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    crossany(a:b:)

Crossany

Declaration

Swift

public func crossany(a: [Double], b: [Double]) -> (Int, [Double])

Parameters

`a`	A values
`b`	B values


                    
                    
                    crossover(a:b:)

Crossover

Declaration

Swift

public func crossover(a: [Double], b: [Double]) -> (Int, [Double])

Parameters

`a`	A values
`b`	B values


                    
                    
                    cvi(_:period:)

Chaikins Volatility

Declaration

Swift

public func cvi<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`n`	The period


                    
                    
                    decay(_:period:)

Linear Decay

Declaration

Swift

public func decay(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The input values
`n`	The period


                    
                    
                    di(_:period:)

Directional indicator

Declaration

Swift

public func di<T>(_ inputs: [T], period n: Int) -> (Int, Direction) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`n`	The period n


                    
                    
                    div(_:)

Vector division

Declaration

Swift

public func div(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    dm(_:period:)

Directional Movement

Declaration

Swift

public func dm<T>(_ inputs: [T], period n: Int) -> (Int, Direction) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`n`	The period n


                    
                    
                    dpo(_:period:)

Detrended Price Oscillator

Declaration

Swift

public func dpo(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The input values
`n`	The period


                    
                    
                    dx(_:period:)

Directional Movement Index

Declaration

Swift

public func dx<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`n`	The period


                    
                    
                    edecay(_:period:)

Exponential Decay

Declaration

Swift

public func edecay(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The input values
`n`	The period


                    
                    
                    emv(_:)

Ease of Movement

Declaration

Swift

public func emv<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements


                    
                    
                    exp(_:)

Vector Exponential

Declaration

Swift

public func exp(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    fisher(_:period:)

Fisher Transform

Declaration

Swift

public func fisher<T>(_ inputs: [T], period n: Int) -> (Int, FisherResult) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`n`	The period


                    
                    
                    floor(_:)

Vector Floor

Declaration

Swift

public func floor(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    fosc(_:period:)

Forecast Oscillator

Declaration

Swift

public func fosc(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The input values
`n`	The period


                    
                    
                    hma(_:period:)

Hull Moving Average

Declaration

Swift

public func hma(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The inputs
`n`	The period


                    
                    
                    kvo(_:short:long:)

Klinger Volume Oscillator

Declaration

Swift

public func kvo<T>(_ inputs: [T], short: Int, long: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	The input values
`short`	The short period
`long`	The long period


                    
                    
                    lag(_:period:)

Lag

Declaration

Swift

public func lag(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The period
`inputs`	The period


                    
                    
                    linreg(_:period:)

Linear Regression

Declaration

Swift

public func linreg(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The period
`inputs`	The period


                    
                    
                    linregintercept(_:period:)

Linear Regression Intercept

Declaration

Swift

public func linregintercept(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The period
`inputs`	The period


                    
                    
                    linregslope(_:period:)

Linear Regression Slope

Declaration

Swift

public func linregslope(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The period
`inputs`	The period


                    
                    
                    ln(_:)

Vector Natural Log

Declaration

Swift

public func ln(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    log10(_:)

Vector Base-10 Log

Declaration

Swift

public func log10(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    macd(_:short:long:signal:)

Moving Average Convergence/Divergence

Declaration

Swift

public func macd(_ inputs: [Double], short: Int, long: Int, signal: Int) -> (Int, MACDResult)

Parameters

`inputs`	The inputs values
`short`	The short period
`long`	The long period
`signal`	The signal period


                    
                    
                    marketfi(_:)

Market Facilitation Index

Declaration

Swift

public func marketfi<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    mass(_:period:)

Mass Index

Declaration

Swift

public func mass<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    max(_:period:)

Maximum In Period

Declaration

Swift

public func max(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    md(_:period:)

Mean Deviation Over Period

Declaration

Swift

public func md(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    medprice(_:)

Median Price

Declaration

Swift

public func medprice<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    mfi(_:period:)

Money Flow Index

Declaration

Swift

public func mfi<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    mom(_:period:)

Momentum

Declaration

Swift

public func mom(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    msw(_:period:)

Mesa Sine Wave

Declaration

Swift

public func msw(_ inputs: [Double], period n: Int) -> (Int, MSWResult)

Parameters


                                inputs

The input values


                    
                    
                    mul(_:)

Vector Multiplication

Declaration

Swift

public func mul(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    natr(_:period:)

Normalized Average True Range

Declaration

Swift

public func natr<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    nvi(_:period:)

Normalized Average True Range

Declaration

Swift

public func nvi<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    obv(_:)

On Balance Volume

Declaration

Swift

public func obv<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    ppo(_:short:long:)

Percentage Price Oscillator

Declaration

Swift

public func ppo(_ inputs: [Double], short: Int, long: Int) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    psar(_:acceleration:accelerationMax:)

Parabolic SAR

Declaration

Swift

public func psar<T>(_ inputs: [T], acceleration: Double, accelerationMax: Double) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements.
`acceleration`	The acceleration factor
`accelerationMax`	The accelation factor maximum


                    
                    
                    pvi(_:)

Positive Volume Index

Declaration

Swift

public func pvi<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    qstick(_:period:)

Qstick

Declaration

Swift

public func qstick<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements.
`period`	The period


                    
                    
                    roc(_:period:)

Rate of Change

Declaration

Swift

public func roc(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

The input values


                    
                    
                    rocr(_:period:)

Rate of Change Ratio

Declaration

Swift

public func rocr(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

The input values


                    
                    
                    round(_:)

Vector Round

Declaration

Swift

public func round(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    rsi(_:period:)

Relative Strength Index

Declaration

Swift

public func rsi(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

The input values


                    
                    
                    sin(_:)

Vector Sine

Declaration

Swift

public func sin(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    sinh(_:)

Vector Hyperbolic Sine

Declaration

Swift

public func sinh(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    sqrt(_:)

Vector Sqrt

Declaration

Swift

public func sqrt(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    stddev(_:period:)

Standard Deviation Over Period

Declaration

Swift

public func stddev(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

The input values


                    
                    
                    stderr(_:period:)

Standard Error Over Period

Declaration

Swift

public func stderr(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

The input values


                    
                    
                    stoch(_:kPeriod:kSlowingPeriod:dPeriod:)

Stochastic Oscillator

Declaration

Swift

public func stoch<T>(_ inputs: [T], kPeriod: Int, kSlowingPeriod: Int, dPeriod: Int) -> (Int, StochResult) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements.
`period`	The period


                    
                    
                    stochrsi(_:period:)

Stochastic RSI

Declaration

Swift

public func stochrsi(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

The input values


                    
                    
                    sub(a:b:)

Vector Substraction

Declaration

Swift

public func sub(a: [Double], b: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    sum(_:period:)

Sum Over Period

Declaration

Swift

public func sum(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    tan(_:)

Vector Tangent

Declaration

Swift

public func tan(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    tanh(_:)

Vector Hyperbolic Tangent

Declaration

Swift

public func tanh(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    todeg(_:)

Vector Degree Conversion

Declaration

Swift

public func todeg(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    torad(_:)

Vector Radian Conversion

Declaration

Swift

public func torad(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    tr(_:)

True Range

Declaration

Swift

public func tr<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements


                    
                    
                    trix(_:period:)

Trix

Declaration

Swift

public func trix(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    trunc(_:)

Vector Truncate

Declaration

Swift

public func trunc(_ inputs: [Double]) -> (Int, [Double])

Parameters


                                inputs

The inputs


                    
                    
                    tsf(_:period:)

Time Series Forecast

Declaration

Swift

public func tsf(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

An array of Quotable elements.


                    
                    
                    typprice(_:)

Typical Price

Declaration

Swift

public func typprice<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements


                    
                    
                    ultosc(_:short:medium:long:)

Ultimate Oscillator

Declaration

Swift

public func ultosc<T>(_ inputs: [T], short: Int, medium: Int, long: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`short`	The short period
`medium`	The medium period
`long`	The long period


                    
                    
                    variance(_:period:)

Variance Over Period

Declaration

Swift

public func variance(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

The input values


                    
                    
                    vhf(_:period:)

Vertical Horizontal Filter

Declaration

Swift

public func vhf(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

The input values


                    
                    
                    vidya(_:short:long:alpha:)

Variable Index Dynamic Average

Declaration

Swift

public func vidya(_ inputs: [Double], short: Int, long: Int, alpha: Double) -> (Int, [Double])

Parameters

`inputs`	The input values
`short`	The short period
`long`	The long period
`alpha`	The alpha value


                    
                    
                    volatility(_:period:)

Annualized Historical Volatility

Declaration

Swift

public func volatility(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

The input values


                    
                    
                    vosc(_:short:long:)

Volume Oscillator

Declaration

Swift

public func vosc<T>(_ inputs: [T], short: Int, long: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`short`	The short period
`long`	The long period


                    
                    
                    vwma(_:period:)

Volume Weighted Moving Average

Declaration

Swift

public func vwma<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`n`	The period


                    
                    
                    wad(_:)

Williams Accumulation/Distribution

Declaration

Swift

public func wad<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements


                    
                    
                    wcprice(_:)

Weighted Close Price

Declaration

Swift

public func wcprice<T>(_ inputs: [T]) -> (Int, [Double]) where T : Quotable

Parameters


                                inputs

An array of Quotable elements


                    
                    
                    wilders(_:period:)

Wilders Smoothing

Declaration

Swift

public func wilders(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters


                                inputs

The input values


                    
                    
                    willr(_:period:)

Weighted Close Price

Declaration

Swift

public func willr<T>(_ inputs: [T], period n: Int) -> (Int, [Double]) where T : Quotable

Parameters

`inputs`	An array of `Quotable` elements
`n`	The period


                    
                    
                    zlema(_:period:)

Zero-Lag Exponential Moving Average

Declaration

Swift

public func zlema(_ inputs: [Double], period n: Int) -> (Int, [Double])

Parameters

`inputs`	The inputs
`n`	The period