> For the complete documentation index, see [llms.txt](https://suuper-protocol.gitbook.io/suuperprotocol/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://suuper-protocol.gitbook.io/suuperprotocol/fixed-apy.md).

# Fixed APY

Annual Percentage Yield

**APY** stands for <mark style="color:purple;">Annual Percentage Yield.</mark> This measures the real rate of return on your principal amount by taking into account the effect of compounding interest.&#x20;

In the case of Suuper Protocol, your $SUUPER tokens represent your principal, and the compound interest is added periodically on every <mark style="color:purple;">Rebase event (Every 10 minutes)</mark>, otherwise known as an '**Epoch**'. &#x20;

Your new principal amount is your then-current Suuper token amount, plus your new rebase token amount. This total amount is what gets calculated for your <mark style="color:purple;">next rebase rewards.</mark>&#x20;

**The Power of Compound Interest** - It is important to note that your balance will grow not linearly but exponentially over time. Taking a compound interest of 0.016% / 10 minutes

#### <mark style="color:blue;">Example:</mark> If you started with a balance of only 1 $SUUPER on day 1, after a year, your balance will have grown to 4622.05 $SUUPER.&#x20;