🧮 Allocation simulator
Define your capital and target allocation (by asset class, sector, or line item), and get the amount to invest on each line plus a diversification score. 100% transparent calculation performed in your browser.
💡 Comprendre cet outil
À quoi ça sert ? Vous entrez un capital et une liste de lignes (une classe d'actif, un secteur, une action…) avec pour chacune un poids cible en %. L'outil calcule le montant par ligne et un score de diversification.
How the score is calculated (transparently): we normalize the weights so they total 100%, then calculate the Herfindahl concentration index HHI = Σ(poids²). Le score = (1 − HHI) / (1 − 1/n) × 100, or 0 if everything is on a single line and 100 if the n lines are perfectly balanced. Also display the actual number of lines = 1 / HHI.
Starting models (Conservative / Balanced / Dynamic) are just modifiable starting points : no allocation is recommended.
⚠️ This is not an investment advisory.