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Beta coefficient - e pontshi hore mehato kotsi ea 'maraka oa matsete

Tsamaiso ea kajeno ea moruo, eaba ba etsa le maemo a teng ka mekhatlo e kgolo, lik'hamphani le lik'hamphani esita le boemo-o ne a ena ka ho bōptjoa ha lik'hamphani kopanetsoeng-setokong, e se e ntse e tloaelehileng ho motho ofe kapa ofe. Ke 'nete hore ka hare ho naha ea rona ho sebelise a balebedi ha a na boemo ba ena ea ho tloaeleha har'a baahi ba, e le ka ho ba bang kaofela ea lefatše se tsoetseng pele ka ntshetswa pele tsamaiso ea oona' maraka ya moruo likamano. Leha ho le joalo, mekhoa ea morao tjena li bontša ho reorientation tsohle e bonolo ho feta ea depositors ea mobung banka tsamaiso e rarahaneng ho feta dipeeletso. Ena le eena ke pontšo e ntle bakeng sa setjhaba se Russia ka eona e bontšang ho mo e ka nnang butle-butle naheng ya rona ho ka bophirimela tekanyetso ea phelang, le makgabane etelletsa pele ho. Ya e le hantle, Molimo a ke etsa le feela lehlakoreng le a moruo a sa se tsoetseng pele lefatšeng kajeno, ntle le lehlakoreng lona sa utloahaleng.

Beta karo-karolelano

Tshebediso ya beng ba le kamano e ntle ho motse-moholo 'me e kopanetsoeng-setokong lik'hamphani etsahalang limmarakeng setokong. Ba e 'ngoe ea likarolo tse khōlō tsa tsamaiso ea lichelete tsa moruo morao-rao maraka. Ka thuso ea bona, ho na le rotloetsa le ea chelete ea sechaba le reorientation ho motse-moholo ka tsela e hlokoa moruo oa lefatše lohle. Nako e le nngwe, limmaraka setokong hlophisa otlolohileng tšebelisano motsetedi motse-moholo 'me e kopanetsoeng-setokong khampani. Ho na le khopolo e thuto ea lipalo tsa mehato kotsi ho etsa bonnete ba hore tshebetso ya ho investing ho latela litakatso tsa depositor bitsoa tsa beta coefficient. pontshi ena bontša ka monyetla oa ho kotsi kapa ha ba na lona le monehelo oa chelete ena kapa hore khamphani. Kahoo, karo-karolelano, beta e fana ka batsetedi ka boitsebiso bo bontšoa ka ya data dipalopalo bakeng sa nako e itseng ka boteng ba khampani kopanetsoeng setokong ka balebedi maraka le karo-karolelano ea theko lona ho liphetoho tsa 'marakeng. pontshi ena ke khona ho tsebisa motsetedi ho na le monyetla oa ho eketsa boleng ba balebedi le photefolio ka kgolo ya kakaretso ya marakeng oa matsete, kapa fokotseha ka ho oa palo yohle. E lumella u ho fumana hore na ho leka-lekana loketseng ho tse pakeng tsa kotsi le balebedi chelete e kenang.

Mokhoa oa ho a bale tsa beta coefficient?

Ho fumana hore na li-index ena sebelisa thuto ea lipalo mekhoa covariance, i.e. mekgwa ya ho bala boleng bontšang ho itšetleha litekanyetso tse peli ka tšohanyetso. Kahoo, tsa beta karo-karolelano ke 'maraka le photefolio ho itšetleha, bontšitsoeng ka foromo dipalo, ho pontshi jwale ya liphetoho 'marakeng ka nako e itseng pele. Ke hore, ha kakaretso maraka kgolo ya 10% le index ea tsa beta coefficient ya 0.5 unit trust boleng ba balebedi le photefolio oa k'hamphani e tla hōla ka ho% 5 feela. covariance-hasana moralo e sebediswa bakeng sa manolotsoeng tsa index coefficient tsa beta ho latela   e behilweng ke mokhoa e latelang:

βa = Cov (ra, RP) / ssp (RP), moo:

  • ra - boleng hlalosang ntlha ea chesehang ea mafolofolo;
  • RP - the balebedi maraka;
  • Cov - covariance makgabane;
  • Ssp - qhalakana ba balebedi maraka.

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