# Supply & Borrow APY

last updated on: Mar 28 2022

## What is APY?

APY is Initialism of annual percentage yield. It intends the total amount of interest over one year. The annual percentage yield is expressed as an annualized rate. The adjustment of APY is based on the utilization rate of the asset.

## What is Utilization Rate?

*The Utilization Rate is how much of the asset has been utilized *and is calculated a*s*:

**USDT, BUSD, USDC**(Stable coin1)

**USDT, BUSD, USDC**(Stable coin1)

### Borrow APY

When the utilization rate is **less than 90%** , the annuaized interest rate is calculated as:

When the utilization rate is **greater than or equal to 90%** , the annualized interest rate is calculated as:

### Supply APY

## VAI(Stable Coin 2 )

### Borrow APY

When the utilization rate is** less than 80%** , the annuaized interest rate is calculated as:

When the utilization rate is **greater than or equal to 80%** , the annualized interest rate is calculated as:

### Supply APY

## BTC, ETH, WBNB

### Borrow APY

When the utilization rate is **less than 60%** , the annuaized interest rate is calculated as:

When the utilization rate is **greater than or equal to 60%** , the annualized interest rate is calculated as:

### Supply APY

## ZIL, BABY, WING, ONT, ONG

### Borrow APY

When the utilization rate is **less than 60% **, the annuaized interest rate is calculated as:

When the utilization rate is **greater than or equal to 60%** , the annualized interest rate is calculated as:

### Supply APY

## Collateral ratio

Asset | Max Collateral ratio |
---|---|

USDT | 80% |

USDC | 80% |

BUSD | 80% |

VAI | 70% |

BTC | 60% |

ETH | 60% |

WBNB | 60% |

ZIL | 35% |

BABY | 25% |

WING | 35% |

ONT | 50% |

ONG | 45% |

The collateral ratio is depended on the token activity, and can be adjusted through voting.

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