KeyFeatures

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Key Features

1.BaseDateandValue

ThebasedateforTheDowJonesBRIC50IndexisDecember31,2002,anditsbasevalueis100.

2.IndexFormula

TheDowJonesBRIC50IndexiscalculatedusingLaspeyres’formula,meaningitmeasurespricechangesagainstafixed-based-periodquantityweight.AdetailedexplanationoftheLaspeyresformulaisprovidedinsection8.2oftheGuidetotheDowJonesGlobalIndexes.

3.DividendTreatment

TheDowJonesBRIC50Indexiscalculatedinbothprice-returnandtotal-returnformsinU.S.dollarsandEuros.Dividendpaymentsarenottakenintoaccountinthepriceindex,whereasdividendpaymentsnetoftaxesarereinvestedintheindexsampleofthetotal-returnindex.Onlyextraordinaryandspecialcashdividendsareincludedintheindex.Specialdividendsfromnon-operatingincomecontinuetobeincludedintheindexcalculation.

4.Weighting

TheDowJonesBRIC50Indexiscapitalization-weighted.Thefloat-adjustedsharesoutstandingforeachclassofstockareusedtodeterminethecompany’smarketcapitalization.FloatadjustmentsarebasedontherulesinSection7oftheGuidetotheDowJonesGlobalIndexes.Theweightingofeachcomponentiscappedat10%oftheindex’stotalmarketcapitalizationatthequarterlyupdates.

5.Dissemination

Theindexiscalculatedanddisseminatedevery15secondswheneveranyofitsprimaryexchangesareopen.Onexchangeholidays,thepreviousday’sclosingpriceforeachaffectedstockisusedforindexcalculation.Ifacorporateactionbecomeseffectiveonanexchangeholiday,theadjustedclosingpriceforthepreviousbusinessdayisused.

6.StockPrices

TheDowJonesBRIC50Indexiscomputedusingthelast-tradedpricesofitscomponentsduringtheofficialtradinghoursofitscomponents’primaryexchanges.Indexcalculationbeginswhenthefirstofficialopeningcomponentpriceisreceived.Untilaparticularstockopens,itsadjustedclosingpricefromthepreviousdayisusedinindexcomputation.Iftradinginastockishaltedduringasession,itslast-tradedpriceisusedinallsubsequentindexcomputationsuntiltradingresumes.Iftradingissuspendedbeforetheopening,thestock’sadjustedclosingpricefromthepreviousdayisusedtocalculatetheindex.

7.InputData

Real-timestockpricesareprovidedbyReuters.Thelatesttradingpriceisusedforindexcalculation.

Thenumberofsharesisdeterminedseparatelyforeachclassofstock.Thisinformationisobtainedfromavarietyofdatavendors.Thedataisalsosourcedfromthecompaniesthemselves.

Corporateactionsaresourcedfrompublicnewsservices,regulatoryfilingsanddatavendors.Thecompaniesthemselvesareusedasanadditionalsource.

Floatdataisobtainedfromavarietyofsourcesincludingdata ?vendors,exchanges,regulatorsandthecompaniesthemselves

8.ComputationalPrecision

Indexvaluesareavailablewithsixdecimalprecision(note:indexvaluesdisplayedbyvendorsareroundedtotwodecimalplaces).Indexdivisorsareavailablewithuptotendecimalplaces.Additionalprecisionforindexlevelsanddivisorsmaybemaintainedinternallyforindexadjustmentpurposes.Anyvaluesderivedbytheindexcalculationenginefromacorporateactionusedforthedivisoradjustmentsandindexcomputationsareroundedtosixdecimalplaces.

相关参考