Borrow Rate

At any point in time one may query the contract to get the current borrow rate per block.

SErc20 / SEther

function borrowRatePerBlock() returns (uint)
  • RETURN: The current borrow rate as an unsigned integer, scaled by 1e18.


SErc20 sToken = SToken(0x3FDA...);
uint borrowRateMantissa = sToken.borrowRatePerBlock();

Web3 1.0

const sToken =;
const borrowRate = (await sToken.methods.borrowRatePerBlock().call()) / 1e18;

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