On what basis is Pillar 2 interest applied?

[dbu]

You might find some more context in this one:

What is your second pillar performance?

I asked mine and was shocked to discover its performance is a whopping 1% per year (the exact rate is voted each year at the end of the year for the year that just finished). That’s… nothing at all! And they charge a combined 10–15% fee between my employer and me on each monthly deposit. Am I getting the shittiest of second pillars or are these normal numbers? I’m also trying to understand if you can “cash out” your second pillar upon leaving Switzerland permanently and if you’re getting only…

Edit: Sorry this one talks about returns.
I’m sure I’ve seen some others where companies’ contributions are discussed as well.

Edit2: Ah, cca here: Pension fund contribution options