We use a 2-stage interest rate model, where computation of the interest rate is separated into two stages.
Before utilization reaches the kink level, interest rate is computed as:
After utilization goes above the kink level, interest rate is computed as:
The functions above produce the following graph:
Two-Stage Interest Rate Model
The parameters each token are listed:
No borrow fee is charged when using Soda Protocol and the flash loan fee for all tokens is 0.3%.