Is the Altersvorsorgedepot safe?

Yes, but not without risk. What the law secures — segregated fund assets, a 1.0 percent cost cap, no single stocks — and what it deliberately leaves open: the capital guarantee.

What does the Altersvorsorgedepot really cost at Deka?

For its standard securities account Deka charges only 0.1 percent a year, putting it on a par with the cheapest neobrokers. What the Altersvorsorgedepot really costs at the Sparkassen, where the catch lies and how Deka fits into the price war.