The investment strategy is based on profit sharing according to an agreed-upon percentage, not simply fixing a guaranteed profit amount regardless of the investment's outcome.
Key points
If the bank presents a figure, ask whether it's an expected or indicative return, or a fixed contractual obligation.
This distinction is crucial before comparing the account to a certificate of deposit or a traditional savings account.
The figures, fees and limits in this answer vary by bank and change over time — confirm them with your bank or the official source before acting.