Interest Model

VivaLeva team optimizes the interest model to benefit users according to UR conditions. The interest model can be updated after a 72-hour notice period.

USDC Interest Model

VivaLeva USDC InterestModel

Borrowing interest and lender interest of USDC in VivaLeva is calculated based on triple-slope-model, following the formula below.

Symbols	Description
$u$	Utilization Rate
$f(u)$	Borrower Interest Rate
$g(u, p)$	Lender Interest Rate
$p$	Lending Performance Fee Rate

Borrower Interest Rate (%)

$borrowerInterestRate = f(u) = \begin{cases} \frac{1}{10}u \quad (0 \le u \le 50\%) \\ 5\% \quad (50\% < u \le 90\%) \\ 14.5u - 1300 (90 \% < u) \end{cases}$

Lender Interest Rate (%)

$lenderInterestRate = g(u, p) = (1-p)\cdot u \cdot f(u)$

ETH Interest Model

VivaLeva ETH InterestModel

Borrowing interest and lender interest of ETH in VivaLeva is also calculated based on triple-slope-model, following the formula below.

Symbols	Description
$u$	Utilization Rate
$f(u)$	Borrower Interest Rate
$g(u, p)$	Lender Interest Rate
$p$	Lending Performance Fee Rate

Borrower Interest Rate (%)

$borrowerInterestRate = f(u) = \begin{cases} \frac{1}{3}u \quad (0 \le u \le 60\%) \\ 20\% \quad (60\% < u \le 90\%) \\ 13u - 1150 (90 \% < u) \end{cases}$

Lender Interest Rate (%)

$lenderInterestRate = g(u, p) = (1-p)\cdot u \cdot f(u)$