# Supply Base APY

This is the yield that you get in the currency of a supplied asset based on current lending/borrowing activity in the asset’s lending pool. The specific percent depends on the utilization rate of the lending pool (borrowers/suppliers) and type of the curve.

The interest rate curves are linear with a kink. Rates follow 2 slopes: a lower slope before an optimal utilisation level and a steeper slope after that level.

For example, for USDC we use an interest rate curve with the optimal utilization rate of 90%. At current borrowing activity, the base APY for suppliers is 0.00%.

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