OBV Class

Namespace: OberMind.Indicators
Assembly: OberMind (in OberMind.dll)

On Balance Volume (OBV)

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[Serializable()] 
public class OBV : Indicator

This language is not supported or no code example is available.

C++

JScript

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[Serializable()] 
public ref class OBV : public Indicator^

This language is not supported or no code example is available.

C++

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public  
   Serializable() 
class OBV 
   extends Indicator

This language is not supported or no code example is available.

Constructors

	Name	Description
	OBV(ISeries)	OBV normal constructor.

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Properties

	Name	Description
	AutoUpdate	(inherited from Indicator).
	Count	Gets the count. (inherited from Indicator).
	Description	Gets the description. (inherited from TimeSeries).
	Fields	(inherited from Indicator).
	First	Gets the first. (inherited from Indicator).
	FirstDateTime	Datetime of the first item in this time array (inherited from Indicator).
	Id	Gets the id. (inherited from TimeSeries).
	Indicators	Gets the indicators. (inherited from TimeSeries).
	IsMultiIndicator	(inherited from Indicator).
	IsUseBarSlice	(inherited from Indicator).
	Item(int, BarData)	Gets the Double at the specified index and bar data. (inherited from Indicator).
	Item(int)	Gets or sets the Double at the specified index. (inherited from Indicator).
	Last	Gets the last. (inherited from Indicator).
	LastDateTime	Datetime of the last item in this time array (inherited from Indicator).
	MaxLength	(inherited from TimeSeries).
	Name	Gets the name. (inherited from TimeSeries).

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Methods

	Name	Description
	Add(DateTime, double)	Adds the specified date time. (inherited from TimeSeries).
	Ago(int)	Agoes the specified n. (inherited from TimeSeries).
	Attach()	(inherited from Indicator).
	Calculate(int)	Calculate OBV at the specific index.
	Clear()	(inherited from Indicator).
	Clone(ISeries)
	Contains(DateTime)	Determines whether [contains] [the specified date time]. (inherited from TimeSeries).
	Crosses(TimeSeries, DateTime)	Crosseses the specified series. (inherited from TimeSeries).
	Crosses(double, int)	Crosseses the specified level. (inherited from TimeSeries).
	Detach()	(inherited from Indicator).
	Exp()	Exps this instance. The type of this instance must have a parameterless constructor. (inherited from TimeSeries).
	GetAsymmetry(int, int, int)	Gets the asymmetry. (inherited from TimeSeries).
	GetAutoCorrelation(int)	Calculate autocorrelation (inherited from TimeSeries).
	GetAutoCovariance(int)	Calculate autocovariance (inherited from TimeSeries).
	GetByDateTime(DateTime, SearchOption)	Gets the by date time. (inherited from TimeSeries).
	GetByIndex(Instrument, int)	(inherited from Indicator).
	GetByIndex(int, int)	(inherited from Indicator).
	GetCorrelation(TimeSeries)	Gets the correlation. (inherited from TimeSeries).
	GetCorrelation(TimeSeries, int, int)	Gets the correlation. (inherited from TimeSeries).
	GetCorrelation(int, int, int, int)	Gets the correlation. (inherited from TimeSeries).
	GetCovariance(TimeSeries)	Gets the covariance. (inherited from TimeSeries).
	GetCovariance(TimeSeries, int, int)	Gets the covariance. (inherited from TimeSeries).
	GetCovariance(int, int, int, int)	Gets the covariance. (inherited from TimeSeries).
	GetDateTime(int)	Gets the date time. (inherited from Indicator).
	GetExcess(int, int, int)	Gets the excess. (inherited from TimeSeries).
	GetFirst(Instrument)	(inherited from Indicator).
	GetFirst(int)	(inherited from Indicator).
	GetIndex(DateTime, IndexOption)	Gets the index. (inherited from Indicator).
	GetIntersection(TimeSeries)	(inherited from TimeSeries).
	GetItem(int)	Gets the item. (inherited from TimeSeries).
	GetLast(Instrument)	(inherited from Indicator).
	GetLast(int)	(inherited from Indicator).
	GetMax(DateTime, DateTime)	Gets the maximum. (inherited from Indicator).
	GetMaxItem()	Gets the maximum item. (inherited from TimeSeries).
	GetMean()	Calculate mean (inherited from TimeSeries).
	GetMean(DateTime, DateTime, int)	Calculate mean (inherited from TimeSeries).
	GetMean(int, int, int)	Calculates mean (inherited from TimeSeries).
	GetMean(DateTime, DateTime)	Calculate mean (inherited from TimeSeries).
	GetMean(int, int)	Calculate mean (inherited from TimeSeries).
	GetMean(int)	Calculate mean (inherited from TimeSeries).
	GetMedian()	Calculates median (inherited from TimeSeries).
	GetMedian(DateTime, DateTime, int)	Calculate median (inherited from TimeSeries).
	GetMedian(int, int, int)	Calculates medain (inherited from TimeSeries).
	GetMedian(DateTime, DateTime)	Calculate median (inherited from TimeSeries).
	GetMedian(int, int)	Calculate median (inherited from TimeSeries).
	GetMedian(int)	Calculate median (inherited from TimeSeries).
	GetMin(DateTime, DateTime)	Gets the minimum. (inherited from Indicator).
	GetMinItem()	Gets the minimum item. (inherited from TimeSeries).
	GetMoment(int, int, int, int)	Gets the moment. (inherited from TimeSeries).
	GetNegativeSeries()	Returns new double series with negative data entries from this array (inherited from TimeSeries).
	GetNegativeStdDev()	Calculate standard deviation of negative data entries (inherited from TimeSeries).
	GetNegativeStdDev(DateTime, DateTime)	Calculate standard deviation of negative data entries (inherited from TimeSeries).
	GetNegativeStdDev(DateTime, DateTime, int)	Calculate standard deviation of negative data entries (inherited from TimeSeries).
	GetNegativeStdDev(int, int)	Calculate standard deviation of negative data entries (inherited from TimeSeries).
	GetNegativeStdDev(int, int, int)	Calculate standard deviation of negative data entries (inherited from TimeSeries).
	GetNegativeStdDev(int)	Calculate standard deviation of negative data entries (inherited from TimeSeries).
	GetNegativeVariance(int, int, int)	Calculate variance of negative data entries (inherited from TimeSeries).
	GetNegativeVariance()	Calculate variance of negative data entries (inherited from TimeSeries).
	GetNegativeVariance(DateTime, DateTime)	Calculate variance of negative data entries (inherited from TimeSeries).
	GetNegativeVariance(DateTime, DateTime, int)	Gets the negative variance. (inherited from TimeSeries).
	GetNegativeVariance(int, int)	Calculate variance of negative data entries (inherited from TimeSeries).
	GetNegativeVariance(int)	Calculate variance of negative data entries (inherited from TimeSeries).
	GetPercentReturnSeries()	Gets the percent return series. (inherited from TimeSeries).
	GetPositiveSeries()	Returns new double series with positive data entries from this array (inherited from TimeSeries).
	GetPositiveStdDev()	Calculate standard deviation of positive data entries (inherited from TimeSeries).
	GetPositiveStdDev(DateTime, DateTime)	Calculate standard deviation of positive data entries (inherited from TimeSeries).
	GetPositiveStdDev(DateTime, DateTime, int)	Calculate standard deviation of positive data entries (inherited from TimeSeries).
	GetPositiveStdDev(int, int)	Calculate standard deviation of positive data entries (inherited from TimeSeries).
	GetPositiveStdDev(int, int, int)	Calculate standard deviation of positive data entries (inherited from TimeSeries).
	GetPositiveStdDev(int)	Calculate standard deviation of positive data entries (inherited from TimeSeries).
	GetPositiveVariance(int, int, int)	Calculate variance of positive data entries (inherited from TimeSeries).
	GetPositiveVariance()	Calculate variance of positive data entries (inherited from TimeSeries).
	GetPositiveVariance(DateTime, DateTime)	Calculate variance of positive data entries (inherited from TimeSeries).
	GetPositiveVariance(DateTime, DateTime, int)	Gets the positive variance. (inherited from TimeSeries).
	GetPositiveVariance(int, int)	Calculate variance of positive data entries (inherited from TimeSeries).
	GetPositiveVariance(int)	Calculate variance of positive data entries (inherited from TimeSeries).
	GetReturnSeries()	Gets the return series. (inherited from TimeSeries).
	GetStdDev()	Calculate standard deviation (inherited from TimeSeries).
	GetStdDev(DateTime, DateTime)	Calculate standard deviation (inherited from TimeSeries).
	GetStdDev(DateTime, DateTime, int)	Calculate standard deviation (inherited from TimeSeries).
	GetStdDev(int, int)	Calculate standard deviation (inherited from TimeSeries).
	GetStdDev(int, int, int)	Calculate standard deviation (inherited from TimeSeries).
	GetStdDev(int)	Calculate standard deviation (inherited from TimeSeries).
	GetSum()	Calculate sum (inherited from TimeSeries).
	GetSum(int, int, int)	Calculate sum (inherited from TimeSeries).
	GetTimeSeriesItem(int)	(inherited from TimeSeries).
	GetValue(int)	Gets the value. (inherited from TimeSeries).
	GetVariance()	Calculate variance (inherited from TimeSeries).
	GetVariance(int, int, int)	Calculate variance (inherited from TimeSeries).
	GetVariance(DateTime, DateTime)	Calculate variance (inherited from TimeSeries).
	GetVariance(DateTime, DateTime, int)	Gets the variance. (inherited from TimeSeries).
	GetVariance(int, int)	Calculate variance (inherited from TimeSeries).
	GetVariance(int)	Calculate variance (inherited from TimeSeries).
	IndexOf(DateTime, SearchOption)	Indexes the of. (inherited from TimeSeries).
	Init()	Init OBV indicator.
	Log()	Logs this instance. The type of this instance must have a parameterless constructor. (inherited from TimeSeries).
	Log10()	Log10s this instance. The type of this instance must have a parameterless constructor. (inherited from TimeSeries).
	Pow(double)	Pows the specified pow. The type of this instance must have a parameterless constructor. (inherited from TimeSeries).
	Remove(int)	Removes the specified index. (inherited from TimeSeries).
	Shift(int)	Shifts the specified offset. (inherited from TimeSeries).
	Sqrt()	SQRTs this instance. The type of this instance must have a parameterless constructor. (inherited from TimeSeries).
	Value(ISeries, int)	Calculate OBV for the specific instance of ISeries and index.

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Operators

	Name	Description
	Addition	Implements the +. (inherited from TimeSeries).
	Addition	Implements the +. (inherited from TimeSeries).
	Addition	Implements the +. (inherited from TimeSeries).
	Division	Implements the /. (inherited from TimeSeries).
	Division	Implements the /. (inherited from TimeSeries).
	Division	Implements the /. (inherited from TimeSeries).
	Multiply	Implements the *. (inherited from TimeSeries).
	Multiply	Implements the *. (inherited from TimeSeries).
	Multiply	Implements the *. (inherited from TimeSeries).
	Subtraction	Implements the -. (inherited from TimeSeries).
	Subtraction	Implements the -. (inherited from TimeSeries).
	Subtraction	Implements the -. (inherited from TimeSeries).

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Fields

	Name	Description
	calculate	(inherited from Indicator).
	description	(inherited from TimeSeries).
	input	(inherited from Indicator).
	name	(inherited from TimeSeries).

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Remarks

The OBV shows in a simple manner whether capital is flowing into or out of a market and/or instrument. Based on Granville's principle, changing trends in the price of the underlying instrument are anticipated by trend changes in the OBV. The theory is that you can see the flow of smart money into an instrument by an increase in the OBV.

The OBV shows an upward trend whenever a new high or low exceeds the previous one. In the reverse case, a lower high or low indicates a downtrend. The changing in the OBV from an upward to a downward trend is called a breakout. In the OBV analysis, it is started from the assumption that OBV breakouts precede the instrument breakouts, but that there is very little time to act. This study is not a timing tool. Rather, it monitors market sentiment for you, and it can alert you to a changing situation. This alert may be used as a signal to taking a long position on upside breakouts, and selling short when the OBV makes a downside breakout. Investors usually hold the position until the trend changes. Once a trend has been established, it remains until it is broken. This happens when a downward trend changes to an upward trend and vice versa, or when a trend changes to a choppy, sideways movement for more than three days. If an instrument changes from an uptrend to a sideways trend, and remains nontrending for two days only and then reverses to an uptrend again, the market is considered being in an uptrend as before.

The On Balance Volume indicator is not currently applicable for Intraday charts and will never be applicable for Tick charts, due to the nature of the data.

This indicator is described in more details in the Steve Achelis' book "Technical Analysis from A to Z".

Formula:

Inheritance Hierarchy

OberMind.TimeSeries

OberMind.Indicator

OberMind.Indicators.OBV

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OBV Class

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