Personal Finance · Explainer
What a robo-advisor is, and what it isn't
Automated portfolio management is a real service with a real cost. It is not the same as financial advice.

The short answer
- A robo-advisor allocates and rebalances a portfolio using rules driven by an onboarding questionnaire.
- You pay a platform fee on top of the underlying fund charges.
- Regulatory duties differ by jurisdiction and by whether the service is advisory or discretionary.
A robo-advisor builds and maintains a portfolio for you using software. You answer questions about goals, time horizon and tolerance for loss; the platform maps the answers to a model portfolio, usually of index funds or ETFs, and then keeps that allocation on target as markets move.
What the service actually does
- Asset allocation from a questionnaire-driven risk profile.
- Automatic rebalancing when weights drift from target.
- Automated deposits and fractional investing.
- In some markets, tax-aware features such as loss harvesting or account-type placement.
The two-layer cost
There is the platform's management fee and, separately, the ongoing charges of the funds it buys. Both are deducted from your money. A low platform fee paired with expensive in-house funds is not necessarily cheaper than the reverse, so the number that matters is the total.
Who it suits
Automated management is most useful for straightforward, long-horizon investing where the main risks are inertia and poor diversification. It is a weaker fit for complex situations — concentrated stock positions, cross-border tax, business assets, estate planning — where a human specialist can consider facts the questionnaire never asks about.
Sources
- Investor Bulletin: Robo-Advisers — U.S. Securities and Exchange Commission
- MiFID II investor protection framework — ESMA
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