Negative thiab Positive Convexity Raws li cov paj laum nce, thiab qhov sib txawv yog qhov tseeb. Yog tias daim ntawv cog lus lub sijhawm nce thiab cov txiaj ntsig poob, daim ntawv cog lus tau hais tias muaj qhov zoo sib xws. … Yog li ntawd, xoom-daim daim npav rho nyiaj muaj qhov siab tshaj plaws ntawm qhov sib npaug vim tias lawv tsis muaj daim coupon them.
Puas yog daim ntawv cog lus tsis zoo?
Neegative convexity tshwm sim thaum cov duab ntawm daim ntawv cog lus cov txiaj ntsig nkhaus yog concave. … Feem ntau cov ntawv cog lus qiv nyiaj tsis zoo yog qhov tsis zoo, thiab cov ntawv cog lus hu tau feem ntau pom qhov tsis zoo ntawm cov txiaj ntsig qis dua.
Yuav ua li cas yog convexity?
Convexity tuaj yeem txhais tau tias ΔMD/ΔY - piv txwv li kev hloov pauv hauv MD faib los ntawm kev hloov pauv.
Dab tsi yog qhov convexity ntawm xoom daim coupon daim ntawv cog lus?
Zero-coupon bonds muaj qhov siab tshaj plaws convexity, qhov kev sib raug zoo tsuas yog siv tau thaum cov nyiaj sib piv muaj tib lub sijhawm thiab yields mus rau kev loj hlob. Pointedly: daim ntawv cog lus siab convexity ntau dua rau cov kev hloov pauv ntawm cov paj laum thiab yuav tsum ua pov thawj qhov kev hloov pauv loj dua ntawm tus nqi thaum cov paj laum txav.
Puas yog qhov tsis zoo convexity phem?
Nyob rau hauv cov ntsiab lus: siab, meej, zoo convexity yog feem ntau xav tau thaum siab, meej, tsis zoo convexity feem ntau yuav tsis tshua xav tau muab ruaj khov lossis poob paj paj.
