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Simple, jargon-free explanations of key investing concepts — no PortefeuilleZen account needed.

These pages are purely informational: PortefeuilleZen never provides personalized buy, sell or allocation advice.

Wrappers and savings

Understanding the French equity savings plan and its taxation.

An uncapped wrapper for holding securities from around the world.

The differences between the two wrappers, without recommendation.

A wrapper that can hold euro funds and unit-linked investments.

A life-insurance fund with capital guaranteed by the insurer.

Livret A, LDDS, LEP, Livret Jeune, CEL, PEL: rates and rules.

Understanding exchange-traded index funds in a few minutes.

Lending to a government or a company: coupon, maturity, risks.

Investing in real estate through company shares.

Tracking a crypto wallet through its public addresses, without keys.

Holding crypto yourself or through a provider.

Understanding money in and out over a month.

Moving money between your own accounts is neither a gain nor an expense.

Spotting regular debits and measuring their yearly cost.

Understanding the average cost basis of a position.

Understanding scheduled investing and purchase-price smoothing.

Why a portfolio's value is not its performance.