La Volatilidad - ¿Qué Es y Cómo Se Calcula

 

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An vcantgagjnj? ³^uç ks y bòlc sk bnabuan3

An vcantgagjnj? ³^uç ks y bòlc sk bnabuan3

An vcantgagjnj ks uf tçrlgfc luy prkskftk kf ka îldgtc jk acs lkrbnjcs egfnfbgkrcs, nufquk luy pcbns pkrscfns achrnf kftkfjkr y nsglganr ka bcfbkptc bcf enbgagjnj, kf kspkbgna ans quk sk nbkrbnf n kaacs pcr prglkrn vkz. An vcantgagjnj sk klpakn n an mcrn jk nfnagznr jgekrkftks tgpcs jk nbtgvcs egfnfbgkrcs. Kf luatgtuj jk cbnsgcfks, bunfjc sk mndan jk nbbgcfks, jk ecfjcs jk rknj?//mttpsSwww.hkstgcfpnsgvn.bcl/3ura/=

 

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An vcantgagjnj? ³^uç ks y bòlc sk bnabuan3

gfvkrsgòf,, jk ìfjgb ìfjgbks ks dursîtgaks c dursîtgaks c jk bnrtkrns jk gfvkrsgòf, sk mnbk rkekrkfbgn n gfvkrsgòf kaan. Rg fc sndks quç ks, mn aakhnjc ka lclkftc jk quk ac skpns, pcrquk ufn vkz nprkfjns quç sghfgegbn y bòlc sk bnabuan, sndrîs bclprkfjkr ans glpagbnbgcfks quk tgkfk bunfjc nfnagzns uf nbtgvc nbtgvc.. Pksk n quk yn tk mndaç nahc jk kaan kf ctrc nrtìbuac nrtìbuac,, bcf ka jk mcy qugkrc quk tk qukjk banrc quç ks an vcantgagjnj y scdrk tcjc bòlc bnabuanran . ¡Fc cavgjks skhugr ka dach!

Nftks jk fnjn, ³quç ks an vcantgagjnj3 An vcantgagjnj ks ac quk vnrìn an rkftndgagjnj jk uf nbtgvc rkspkbtc n su lkjgn kf uf pkrgcjc jk tgklpc jktkrlgfnjc. Pnrn lubmcs, kf kspkbgna acs nbnjçlgbcs, bunfjc sk jgbk quk uf nbtgvc tgkfk ufn u fn natn vcantgagjnj ks pcrquk ans rkftndgagjnjks jka pkrgcjc nfnagznjc mnf sgjc luy jgekrkftks kftrk sì, bcfsgjkrnfjc na nbtgvc kf bukstgòf bclc uf nbtgvc jk rgkshc. W na bcftrnrgc, sg sk jgbk quk uf nbtgvc mn tkfgjc dnon vcantgagjnj ks pcrquk mn cdtkfgjc rkftndgagjnjks lîs kstndaks y lîs pnrkbgjns, pcr tnftc uf nbtgvc jk lkfcr rgkshc. Bcf uf koklpac ac kftkfjkrîs lkocr. Ks ka quk yn utgagbç kf ka nrtìbuac quk mndandn scdrk ka rgkshc. rgkshc. Çbmnak uf vgstnzc nftks jk skhugr.

rknj?//mttpsSwww.hkstgcfpnsgvn.bcl/3ura4/2/404>

An vcantgagjnj? ³^uç ks y bòlc sk bnabuan3

N sglpak vgstn pukjks jnrtk bukftn jk quk an Gfvkrsgòf N fc mn sgjc vcaîtga pcrquk ans rkftndgagjnjks nfunaks fc sk mnf jksvgnjc jk an rkftndgagjnj lkjgn, kf bnldgc an Gfvkrsgòf D sì ac mn sgjc. Kf an sghugkftk glnhkf pukjks nprkbgnr buîftc sk mnf jksvgnjc ans rkftndgagjnjks jk an Gfvkrsgòf D rkspkbtc n su lkjgn? Bcfcbk tu pkrega gfvkrscr bcf Gfjkxn Bnpgtna

Rg qugkrks bcfcbkr tu pkrega bclc gfvkrscr mnz ka tkst jk Gfjkxn Bnpgtna. ¡Ks hrntgs! Gfjkxn Gfjkxn Bnpgtna ks uf hkstcr jk gfvkrsgcfks nutclntgznjc jka buna scy bagkftk (lîs gfecrlnbgòf nquì nquì). ). Kf eufbgòf jk ans rkspukstns quk jks n vnrgns  prkhuftns, nahufn rkanbgcfnjn bcf ac quk kstîs akykfjc, Gfjkxn tk nsghfn ufn bnrtkrn jk gfvkrsgòf pkrscfnagznjn  (an pukjks vkr sgf bcstk).

Pnrn lkjgr an vcantgagjnj sk utgagzn an jksvgnbgòf tìpgbn Pnrn sndkr bòlc mn vnrgnjc an rkftndgagjnj jk uf nbtgvc rkspkbtc n su lkjgn, fc sgklprk vns n tkfkr n lnfc acs jntcs fg acs hrîegbcs bclc tk acs mk jktnaanjc yc. Kf an lnycrìn jk ans vkbks, an vcantgagjnj an vkrîs jk ecrln rksulgjn kf uf sglpak fÿlkrc. Pnrn bnabuanr kstk fÿlkrc y pcjkr bclpnrnr an vcantgagjnj jk uf nbtgvc bcf an jk ctrcs jk ufn lnfkrn skfbgaan, sk utgagzn an jksvgnbgòf tìpgbn. An jksvgnbgòf tìpgbn ks uf jntc quk tk cerkbk c erkbk gfecrlnbgòf jk ufn lnfkrn rksulgjn y luy prîbtgbn scdrk an vcantgagjnj quk mn tkfgjc uf nbtgvc kf ka pnsnjc, y an rknj?//mttpsSwww.hkstgcfpnsgvn.bcl/3ura4/2/404>

An vcantgagjnj? ³^uç ks y bòlc sk bnabuan3

[ff pcbc lîs njkanftk tk kxpagbc  pukjks bnabuanr klpaknfjc su eòrluan kf Kxbka. [ bòlc sk mnbk. Kf ka koklpac quk fcs cbupn, an jksvgnbgòf tìpgbn jk an Gfvkrsgcf N mn sgjc uf 0,00% y an jksvgnbgòf tìpgbn jk an Gfvkrsgòf D mn m n sgjc uf 44,2> %. Kstc sghfgegbn quk an rkftndgagjnj lkjgn nfuna jk an Gfvkrsgòf N (5,0> %) fc f c mn tkfgjc jksvgnbgcfks jurnftk ka pkrgcjc y quk an rkftndgagjnj lkjgn nfuna jk an Gfvkrsgòf D (7,;; %) mn tkfgjc ufn jksvgnbgòf lkjgn nfuna jka 44,2> %, n vkbks mn sgjc lîs, ctrns lkfcs, pkrc jk lkjgn kf acs >; nþcs mn sgjc uf 44,2> %. Ugkfjc ÿfgbnlkftk ans bgerns jk jksvgnbgcfks tìpgbns, pukjks bcfcbkr bòlc mnf sgjc jk vcaîtgaks ans gfvkrsgcfks, y bclk tk mk bclkftnjc nftks, fc mnbk enatn rkvgsnr ans rkftndgagjnjks jk bnjn pkrgcjc ufn pcr ufn fg tnlpcbc mnbkr fgfhÿf hrîegbc.

³Bòlc sk bnabuan an vcantgagjnj c an jksvgnbgòf tìpgbn kf Kxbka3 Pnrn kaac lk vcy n bkftrnr kf acs jntcs jk an Gfvkrsgòf D, pcrquk jk ans jcs gfvkrsgcfks ks an ÿfgbn quk mn sgjc vcaîtga. Pnsc >? Bnabuanr ans rkftndgagjnjks nfunaks Bcf acs jntcs nfunaks jk an gfvkrsgòf, bnabuanlcs an rkftndgagjnj jk bnjn nþc. Klpkznlcs pcfgkfjc an eòrluan pnrn bnabuanr an rkftndgagjnj jka rkftndgagjnj jka prglkr  nþc (bnsgaan B2), y pcstkrgcrlkftk nrrnstrnlcs an eòrluan, pcfgkfjc ka burscr kf an ksqugfn gfekrgcr jkrkbmn jk an bnsgaan, mnstn aakvnran na nþc >; (bnsgaan B>8).

rknj?//mttpsSwww.hkstgcfpnsgvn.bcl/3ura4/2/404>

An vcantgagjnj? ³^uç ks y bòlc sk bnabuan3

Pnrn bnldgnr ka ecrlntc n pcrbkftnoks tkfklcs quk skakbbgcfnr tcjns ans bnsgaans bcf ans quk vnlcs n trndnonr, mnbgkfjc bagbi bcf ka dctòf jkrkbmc, kaghgkfjc "Ecrlntc jk bkajns" y bnldgnfjc ka ecrlntc n "Pcrbkftnok". Pnsc 4? Bnabuanr an rkftndgagjnj lkjgn Ka skhufjc pnsc ks bnabuanr an rkftndgagjnj lkjgn jk an gfvkrsgòf. Nufquk fc ks uf rkqugsgtc fkbksnrgc pnrn bnabuanr an jksvgnbgòf j ksvgnbgòf tìpgbn ks gftkrksnftk tkfkrac. Ac pcjklcs mnbkr jk jcs lnfkrns, ufn ks sulnfjc ans rkftndgagjnjks nfunaks y jgvgjgr kftrk ka fÿlkrc jk nþcs quk jurn an gfvkrsgòf, y ctrn, lubmc lîs rîpìjn, ks utgagznfjc an eòrluan "PTCLKJGC" jk Kxbka. Pnrn kaac, fcs bcacbnlcs kf ufn bkajn quk kstç agdrk y kakhglcs an eòrluan PTCLKJGC, fc sg nftks pcfkr ka sghfc 4 (sk utgagzn ka fulkrc >4 pcrquk uf nþc tgkfk jcbk lksks). ^ukjnrìn nsì? Ucantgagjnj Nfuna < Ucantgagjnj lkfsuna x ∟>4 C tnldgçf skrìn ac lgslc an vcantgagjnj lkfsuna luatgpagbnjn pcr >4 kakvnjc n 0,;? Ucantgagjnj Nfuna < Nfuna < Ucantgagjnj lkfsuna x >4V(>/4)

rknj?//mttpsSwww.hkstgcfpnsgvn.bcl/3ura4/2/404>

An vcantgagjnj? ³^uç ks y bòlc sk bnabuan3

Bcfbauykfjc scdrk an vcantgagjnj Bclc cburrk bcf an rkftndgagjnj rkftndgagjnj,, an vcantgagjnj ks uf tçrlgfc luy klpaknjc n an mcrn jk nfnagznr bunaqugkr nbtgvc, pkrc na lgslc tgklpc luy pcbc bclprkfjgjc. Pnrn lubmcs ks ufn lkjgjn jk rgkshc gkshc.. Bcf an kftrnjn jk mcy mk prktkfjgjc nbanrnrtk quç ks y bòlc sk bnabuan. An vcantgagjnj ks ac quk vnrìn an rkftndgagjnj jk uf nbtgvc rkspkbtc n su lkjgn kf uf pkrgcjc jk tgklpc jktkrlgfnjc. Rk kxprksn kf pcrbkftnok y sk pukjk bnabuanr  eîbgalkftk kf Kxbka klpaknfjc an eòrluan jk an jksvgnbgòf tìpgbn. Hrnbgns n Kxbka y n an eòrluan jk an jksvgnbgòf tìpgbn pukjks lkjgr an vcantgagjnj jk bunaqugkr nbtgvc y mnbkr an bclpnrnbgòf kftrk kaacs jk ufn ecrln skfbgaan. Rg tgkfks nahufn jujn c suhkrkfbgn scdrk an vcantgagjnj fc jujks j ujks kf jkonr uf bclkftnrgc lîs ndnoc. "An vcantgagjnj jk acs lkrbnjcs pukjk skr ufn vkftnon pnrn acs gfvkrscrks jk anrhc  panzc" - Durtcf H. Lnaigka Bagbi tc Zwkkt Kstcs nrtìbuacs tnldgçf tk pukjkf gftkrksnr? Nskscr Egfnfbgkrc, nscbgnjc f¿ >244= jk KEPN KEPN (  (Kurcpknf Kurcpknf Egfnfbgna Panffgfh Nsscbgntgcf). Nsscbgntgcf ). Npnsgcfnjc jk acs Lkrbnjcs Egfnfbgkrcs y jka Lnriktgfh Jghgtna. ³^ugkrks sndkr lîs scdrk lì3 Mnz bagbi nquì nquì.. rknj?//mttpsSwww.hkstgcfpnsgvn.bcl/3ura4/2/404>

An vcantgagjnj? ³^uç ks y bòlc sk bnabuan3

Znldgçf lk pukjks kfbcftrnr kf Zwgttkr  y Agfikfjgf  y Agfikfjgf..

¡Rusbrìdktk y sghuk ka dach!

rknj?//mttps www.hkstgcfpnsgvn.bcl/3ura