- New forward-looking interest rate benchmark supports the transition from JIBAR
FTSE Russell, LSEG’s global index provider, today announced the launch of FTSE Term ZARONIA, a new forward-looking interest rate benchmark designed to aid South Africa's transition to transaction-based reference rates.
The launch follows FTSE Russell's selection by the Market Practitioners Group to develop and administer a term rate benchmark based on ZARONIA, the South African Rand Overnight Index Average, to support the transition from JIBAR. The benchmark is designed to provide greater certainty for borrowers, lenders and investors who need to know the applicable interest rate at the start of an interest period.
The benchmark has been developed following industry testing of the prototype and in consultation with market participants and relevant stakeholders. It also leverages FTSE Russell's extensive experience delivering benchmark reform solutions across major global markets.
Jacob Rank-Broadley, Head of Interest Rate Benchmark Solutions at FTSE Russell, said:
“The launch of FTSE Term ZARONIA marks an important milestone in the evolution of South Africa's financial markets. Transparent, forward-looking and built on transaction and executable market pricing data to relevant industry standards, it helps market participants navigate the transition while supporting a resilient, sustainable benchmark ecosystem.”
FTSE Term ZARONIA combines transaction data and executable market pricing inputs to create a benchmark designed to reflect underlying market conditions and support benchmark robustness across varying liquidity environments. The methodology has been developed in line with international benchmark standards and informed by FTSE Russell's experience administering interest rate benchmarks across multiple jurisdictions.
The benchmark represents a collaborative effort where FTSE Russell has drawn on data capabilities from LCH, Tradeweb, Latium Capital, GFI, TraditionData and GMG.
As benchmark reform continues globally, FTSE Russell remains committed to supporting market participants with trusted benchmarks, transparent methodologies and high-quality data designed to help markets function efficiently and effectively.
To find out more, visit: FTSE Term ZARONIA | LSEG
Contacts
About FTSE Russell, an LSEG business
FTSE Russell, LSEG’s global index leader, provides innovative benchmarking, analytics and data solutions for investors worldwide. FTSE Russell calculates thousands of indexes that measure and benchmark markets and asset classes in more than 70 countries, covering 98% of the investable market globally.
FTSE Russell index expertise and products are used extensively by institutional and retail investors globally. Approximately $20 trillion is benchmarked to FTSE Russell indexes. Leading asset owners, asset managers, ETF providers and investment banks choose FTSE Russell indexes to benchmark their investment performance and create ETFs, structured products and index-based derivatives.
A core set of universal principles guides FTSE Russell index design and management: a transparent rules-based methodology is informed by independent committees of leading market participants. FTSE Russell is focused on applying the highest industry standards in index design and governance and embraces the IOSCO Principles. FTSE Russell is also focused on index innovation and customer partnerships as it seeks to enhance the breadth, depth and reach of its offering.
For more information, visit FTSE Russell.
© 2026 London Stock Exchange Group plc and its applicable group undertakings (“LSEG”). LSEG includes (1) FTSE International Limited (“FTSE”), (2) Frank Russell Company (“Russell”), (3) FTSE Global Debt Capital Markets Inc. “FTSE Canada”, (4) FTSE Fixed Income LLC (“FTSE FI”), (5) FTSE (Beijing) Consulting Limited (“WOFE”), (6) FTSE EU SAS ("FES"). All rights reserved.
FTSE Russell® is a trading name of FTSE, Russell, FTSE Canada, FTSE FI, WOFE, FTSE EU and other LSEG entities providing LSEG Benchmark and Index services. “FTSE®”, “Russell®”, “FTSE Russell®”, “FTSE4Good®”, “ICB®”, “Refinitiv”, “WMR™” “FR™” and all other trademarks and service marks used herein (whether registered or unregistered) are trademarks and/or service marks owned or licensed by the applicable member of LSEG or their respective licensors.
FTSE International Limited is authorised as a Benchmark Administrator and regulated in the United Kingdom (UK) by the Financial Conduct Authority ("FCA") under the UK Benchmarks Regulation, FCA Reference Number 796803. FTSE EU SAS is authorised as a Benchmark Administrator by the Autorité des Marches Financiers (“AMF”) and is supervised by the European Securities and Markets Authority (“ESMA”) under the EU Benchmarks Regulation.
All information is provided for information purposes only. All information and data contained in this publication is obtained by LSEG, from sources believed by it to be accurate and reliable. Because of the possibility of human and mechanical inaccuracy as well as other factors, however, such information and data is provided "as is" without warranty of any kind. No member of LSEG nor their respective directors, officers, employees, partners or licensors make any claim, prediction, warranty or representation whatsoever, expressly or impliedly, either as to the accuracy, timeliness, completeness, merchantability of any information or LSEG Products, or of results to be obtained from the use of LSEG products, including but not limited to indices, rates, data and analytics, or the fitness or suitability of the LSEG products for any particular purpose to which they might be put. The user of the information assumes the entire risk of any use it may make or permit to be made of the information.
No responsibility or liability can be accepted by any member of LSEG nor their respective directors, officers, employees, partners or licensors for (a) any loss or damage in whole or in part caused by, resulting from, or relating to any inaccuracy (negligent or otherwise) or other circumstance involved in procuring, collecting, compiling, interpreting, analysing, editing, transcribing, transmitting, communicating or delivering any such information or data or from use of this document or links to this document or (b) any direct, indirect, special, consequential or incidental damages whatsoever, even if any member of LSEG is advised in advance of the possibility of such damages, resulting from the use of, or inability to use, such information.
No member of LSEG nor their respective directors, officers, employees, partners or licensors provide investment advice and nothing in this document should be taken as constituting financial or investment advice. No member of LSEG nor their respective directors, officers, employees, partners or licensors make any representation regarding the advisability of investing in any asset or whether such investment creates any legal or compliance risks for the investor. A decision to invest in any such asset should not be made in reliance on any information herein. Indices and rates cannot be invested in directly. Inclusion of an asset in an index or rate is not a recommendation to buy, sell or hold that asset nor confirmation that any particular investor may lawfully buy, sell or hold the asset or an index or rate containing the asset. The general information contained in this publication should not be acted upon without obtaining specific legal, tax, and investment advice from a licensed professional.