marchesfinan.py

Created by tahiawalettebaye1

Created on April 16, 2026

1 KB


Formules 
PER = cours / BPA 
haut = croissance attendue ou surevaluation 
bas = decote ou perspectives degradees 

P/S = cap bours / CA 
haut = forte marge future ou croiss attendue 
bas= decote, marge faible, concu forte ou faible renta 

EV/EBITDA = ev (cap bours + dettes - treso) / EBITDA
haut = marche valorise  cap operationelle
bas entreprise moins chere par rapport a son EBITDA 

Val action G shapiro 
Po= (Div x 1+g) / (r-g)

Val Fisher 
Po =(Div t / (1+r)^t) + (P vente n / (1+r)^n)
Po haut = div futurs attendus eleve
r haut = val actuelle dimunue 

Valorisation methode BPA
Po = (BPA x 1+g) / (r-g)
haut = forte croissance 


Tab matrice
AAA a BBB = invest grade
a partir de BB = specul ou high yield

Exemples
Proba BB declasse au cours de l anne 
P = somme des taux mm ligne < a BB

Possibilite de passer de BB a AAA
P= taux col AAA sur ligne BB

Proba A maintient ou ameliore sa note 
P= somme a partir de A jusqu a AAA 

Proba CCC a C ne fasse pas defaut 
P= 100% - somme des taux jusqua D

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