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Research field guide

Lending utilization and the interest-rate kink

A utilization curve can charge a steeper marginal borrow rate above a configured target. The current rate is conditional on both the curve parameters and pool utilization.

A worked distinction

In a hypothetical two-slope model with a kink at 80%, moving from 79% to 81% crosses into the steeper segment. Applying the below-kink slope to the entire utilization change understates the scenario if the second slope is larger.

What to verify in your own analysis

Use current deployment parameters, denominators and rate conventions. An educational curve does not reproduce every protocol implementation or guarantee available borrow liquidity.

Write down the market or protocol identifier, units, observation window and data source before comparing outputs. Keep unavailable values distinct from zero. Capture a baseline and change one assumption at a time so the resulting difference can be explained.

Use the linked working tools

Open the related tools below to inspect actual public observations or calculate a local scenario. The numerical example above is illustrative, not a current quote. Export the result together with its assumptions if you need a reproducible research record.

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Primary documentation

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