United States SOFR

United States SOFR Rises to Highest Since Dec 31

Brief · Published 2026-09-18 · Data period 2026-09-17

This brief was generated automatically from the published data; no human byline is attached. Read the methodology.

The SOFR rose to 3.85% on September 17 from 3.62% on September 16, a sharp increase after the rate had held near 3.62% for most of the prior week. The increase pushed the rate to its highest level since December 31, 2025, though it remained below the 4.38% recorded one year earlier, according to the Federal Reserve Bank of St. Louis.

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Source & methodology

Data source: Federal Reserve Bank of St. Louis.

Values are verified on ingest and republished only when the source revises. How we source and standardize data, including how to request an audit trail for any value.