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Financial encyclopediaReviewed 2026-10-23

SOFR

SOFR stands for Secured Overnight Financing Rates .  SOFR is a broad measure of the cost of borrowing overnight collateralized by U.S. Treasury securities.  It is based on observable transactions in the repurchase market.  The Alternative Reference Rate Committee ( ARRC ), an industry-led group in which the SEC and other departments and agencies of the U.S. government participate, recommended SOFR as the LIBOR replacement rate.

Sources and references ↗
PROFILE / FACT FILE

Concept at a glance

Term
SOFR [1]
Subject area
Investor.gov glossary [1]
Jurisdiction / scope
US regulatory and investor-education context [1]
Primary reference
SEC · Investor.gov [1]

Definition and explanation

SOFR stands for Secured Overnight Financing Rates .  SOFR is a broad measure of the cost of borrowing overnight collateralized by U.S. Treasury securities.  It is based on observable transactions in the repurchase market.  The Alternative Reference Rate Committee ( ARRC ), an industry-led group in which the SEC and other departments and agencies of the U.S. government participate, recommended SOFR as the LIBOR replacement rate. [1]

Source-supported connections

SOFR → Mentioned in the official explanation → LIBOR [1]
SOFR → Mentioned in the official explanation → Treasury Securities [1]

Frequently asked questions

What does SOFR mean in the cited reference?

SOFR stands for Secured Overnight Financing Rates .  SOFR is a broad measure of the cost of borrowing overnight collateralized by U.S. Treasury securities.  It is based on observable transactions in the repurchase market.  The Alternative Reference Rate Committee ( ARRC ), an industry-led group in which the SEC and other departments and agencies of the U.S. government participate, recommended SOFR as the LIBOR replacement rate. [1]

RELATION MAP

SOFR connection map

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SOFR

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Links retain their source-specific meaning. Award-time affiliations and links to related reading are not claims about current appointments or economic causation.

Sources and review dates

  1. US SEC · Investor.gov — SOFR ↗

Reviewed 23 October 2026. Historical dates and award-time affiliations retain their original context. A review date is not an event date. Background sources are identified separately from official records.

Content preparation: source-based compilation with AI assistance. See methods and attribution. Named sources identify the underlying records; no individual expert review is claimed.