Supported Indicators

Momersion Indicator

Introduction

Oscillator indicator that measures momentum and mean-reversion over a specified period n. sourceHarris, Michael. "Momersion Indicator." Price Action Lab., 13 Aug. 2015. Web.

Using MOMERSION Indicator

To create an automatic indicators for MomersionIndicator, call the MOMERSION helper method from the QCAlgorithm class. The MOMERSION method creates a MomersionIndicator object, hooks it up for automatic updates, and returns it so you can used it in your algorithm. In most cases, you should call the helper method in the Initialize method.

public class MomersionIndicatorAlgorithm : QCAlgorithm
{
    private Symbol _symbol;
    private MomersionIndicator _momersion;

    public override void Initialize()
    {
        _symbol = AddEquity("SPY", Resolution.Daily).Symbol;
        _momersion = MOMERSION("SPY", 10, 20);
    }

    public override void OnData(Slice data)
    {
        if (_momersion.IsReady)
        {
            Plot("MomersionIndicator", "momersion", _momersion);
        }
    }
}
class MomersionIndicatorAlgorithm(QCAlgorithm):
    def Initialize(self) -> None:
        self.symbol = self.AddEquity("SPY", Resolution.Daily).Symbol
        self.momersion = self.MOMERSION("SPY", 10, 20)

    def OnData(self, slice: Slice) -> None:
        if self.momersion.IsReady:
            self.Plot("MomersionIndicator", "momersion", self.momersion.Current.Value)

The following reference table describes the MOMERSION method:

MOMERSION()1/1

            MomersionIndicator QuantConnect.Algorithm.QCAlgorithm.MOMERSION (
    Symbol                           symbol,
    Nullable<Int32>            minPeriod,
    Int32                            fullPeriod,
    *Nullable<Resolution>      resolution,
    *Func<IBaseData, Decimal>  selector
   )

Creates a new Momersion indicator.

If you don't provide a resolution, it defaults to the security resolution. If you provide a resolution, it must be greater than or equal to the resolution of the security. For instance, if you subscribe to hourly data for a security, you should update its indicator with data that spans 1 hour or longer.

For more information about the selector argument, see Alternative Price Fields.

For more information about plotting indicators, see Plotting Indicators.

You can manually create a MomersionIndicator indicator, so it doesn't automatically update. Manual indicators let you update their values with any data you choose.

Updating your indicator manually enables you to control when the indicator is updated and what data you use to update it. To manually update the indicator, call the Update method with time/number pair, or an IndicatorDataPoint. The indicator will only be ready after you prime it with enough data.

public class MomersionIndicatorAlgorithm : QCAlgorithm
{
    private Symbol _symbol;
    private MomersionIndicator _momersion;

    public override void Initialize()
    {
        _symbol = AddEquity("SPY", Resolution.Daily).Symbol;
        _momersion = new MomersionIndicator(10, 20);
    }

    public override void OnData(Slice data)
    {
        if (data.Bars.TryGeValue(_symbol, out var bar))
        {      
            _momersion.Update(bar.EndTime, bar.Close);
        }

        if (_momersion.IsReady)
        {
            Plot("MomersionIndicator", "momersion", _momersion);
        }
    }
}
class MomersionIndicatorAlgorithm(QCAlgorithm):
    def Initialize(self) -> None:
        self.symbol = self.AddEquity("SPY", Resolution.Daily).Symbol
        self.momersion = MomersionIndicator(10, 20)

    def OnData(self, slice: Slice) -> None:
        bar = data.Bars.get(self.symbol)
        if bar:
            self.momersion.Update(bar.EndTime, bar.Close)

        if self.momersion.IsReady:
            self.Plot("MomersionIndicator", "momersion", self.momersion.Current.Value)

To register a manual indicator for automatic updates with the security data, call the RegisterIndicator method.

public class MomersionIndicatorAlgorithm : QCAlgorithm
{
    private Symbol _symbol;
    private MomersionIndicator _momersion;

    public override void Initialize()
    {
        _symbol = AddEquity("SPY", Resolution.Daily).Symbol;
        _momersion = new MomersionIndicator(10, 20);
        RegisterIndicator(_symbol, _momersion, Resolution.Daily);
    }

    public override void OnData(Slice data)
    {
        if (_momersion.IsReady)
        {
            Plot("MomersionIndicator", "momersion", _momersion);
        }
    }
}
class MomersionIndicatorAlgorithm(QCAlgorithm):
    def Initialize(self) -> None:
        self.symbol = self.AddEquity("SPY", Resolution.Daily).Symbol
        self.momersion = MomersionIndicator(10, 20)
        self.RegisterIndicator(self.symbol, self.momersion, Resolution.Daily)

    def OnData(self, slice: Slice) -> None:
        if self.momersion.IsReady:
            self.Plot("MomersionIndicator", "momersion", self.momersion.Current.Value)

The following reference table describes the MomersionIndicator constructor:

MomersionIndicator()1/3

            MomersionIndicator QuantConnect.Indicators.MomersionIndicator (
    string  name,
    int?    minPeriod,
    int     fullPeriod
   )

Initializes a new instance of the MomersionIndicato class.

MomersionIndicator()2/3

            MomersionIndicator QuantConnect.Indicators.MomersionIndicator (
    int?  minPeriod,
    int   fullPeriod
   )

Initializes a new instance of the MomersionIndicato class.

MomersionIndicator()3/3

            MomersionIndicator QuantConnect.Indicators.MomersionIndicator (
    int  fullPeriod
   )

Initializes a new instance of the MomersionIndicato class.

Visualization

The following image shows plot values of selected properties of MomersionIndicator using the plotly library.

MomersionIndicator line plot.

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