Puas yog max drawdown?

Cov txheej txheem:

Puas yog max drawdown?
Puas yog max drawdown?
Anonim

Qhov siab tshaj plaws rub tawm (MDD) yog qhov siab tshaj plaws tau pom los ntawm lub ncov mus rau ib qho chaw ntawm cov ntaub ntawv, ua ntej lub ncov tshiab tau mus txog. Kev poob siab tshaj plaws yog qhov qhia txog kev pheej hmoo poob qis hauv lub sijhawm teev tseg.

Yuav ua li cas rho tawm qhov siab tshaj plaws suav?

Maximum drawdown (MDD) ntsuas qhov poob siab tshaj plaws ntawm tus nqi ntawm kev nqis peev, raws li muab los ntawm qhov sib txawv ntawm tus nqi ntawm qhov qis tshaj plaws thiab qhov siab tshaj plaws ua ntej trough.

Dab tsi yog qhov zoo ntawm MDD?

A CAR/MDD piv ntawm ntau tshaj 1 yog suav tias yog qhov system zoo. Yog tias koj qhov CAR / MDD piv yog 1, nws txhais tau tias koj tuaj yeem poob txhua yam uas koj tau khwv tau, vim tias koj cov khoom xa rov qab thiab cov nyiaj rho tawm yog tib yam.

Lub sijhawm rho nyiaj max yog dab tsi?

Lub sijhawm rub tawm qhov siab tshaj plaws yog qhov phem tshaj plaws (qhov siab tshaj plaws / ntev tshaj plaws) tus nqi ntawm lub sijhawm kev nqis peev tau pom nyob nruab nrab ntawm qhov siab tshaj plaws (qhov sib npaug siab). Ntau tus xav tias Max DD Duration yog lub sijhawm ntev ntawm qhov siab tshiab thaum lub sijhawm Max DD (magnitude) tshwm sim.

Dab tsi yog qhov rov qab zoo tshaj qhov kev rho tawm siab tshaj plaws?

RoMaD nyob rau hauv Cov ntsiab lus

Hauv kev xyaum, cov tub ua lag luam xav pom qhov siab tshaj plaws drawdowns uas yog ib nrab ntawm cov ntaub ntawv txhua xyoo rov los lossis tsawg dua. Qhov ntawd txhais tau tias yog qhov siab tshaj plaws rub tawm yog 10% dhau lub sijhawm, cov tub ua lag luam xav tau rov qab los ntawm 20% (RoMaD=2). Yog li qhov loj dua qhov nyiaj poob qis, qhov siab dua qhov kev cia siab rau rov qab.

Pom zoo:

Nthuav cov khoom
Thaum twg yog lub npe hu ua neologism?
Nyeem ntxiv

Thaum twg yog lub npe hu ua neologism?

Thaum twg yog lub npe hu ua neologism? Thaum ib tug eponym (ib lo lus raws li lub npe ntawm ib tug neeg los yog ib qho chaw) yog siv los ua ib lo lus tshiab nyob rau hauv cov lus, nws yog ib tug neologism. Thaum Earl ntawm Sandwich cov phooj ywg pib hu nws cov khoom noj txom ncauj tshiab "

Cov ntshav oxygenated los ntawm qhov twg?
Nyeem ntxiv

Cov ntshav oxygenated los ntawm qhov twg?

Lub plawv muaj plaub chav uas cov ntshav ntws. Ntshav nkag mus rau sab xis atrium thiab dhau los ntawm txoj cai ventricle. Lub ventricle txoj cai tso cov ntshav mus rau lub ntswsqhov uas nws ua oxygenated. Cov ntshav oxygenated tau coj rov qab mus rau lub plawv los ntawm cov hlab ntsha pulmonary uas nkag mus rau sab laug atrium.

Koj puas tuaj yeem thov aia ntawm cov khoom tsis muaj nqis?
Nyeem ntxiv

Koj puas tuaj yeem thov aia ntawm cov khoom tsis muaj nqis?

Nws yuav muaj txiaj ntsig zoo rau kev xaiv tsa raws li s815 CTA 2009 yog tias thov cov peev nyiaj pab yuav muab kev pab sai dua li txiav tawm cov nqi txiav tawm lossis cov nqi cuam tshuam raug lees paub hauv cov nyiaj (piv txwv li, vim tias Nyiaj Txiag Nyiaj Txiag Txhua Xyoo (AIA) yuav them.