South Africa’s money market is moving toward a cleaner, more modern benchmark as FTSE Russell launches FTSE Term ZARONIA, a forward-looking reference rate designed to help replace the long-used Johannesburg Interbank Average Rate, or JIBAR.
South Africa launches FTSE Term ZARONIA benchmark

That may sound technical, but it matters because benchmark rates sit at the heart of how loans, swaps, floating-rate notes and cash products are priced. For investors, the shift reduces uncertainty around one of the key reference points in South African funding markets and helps ensure contracts are tied to more transparent, transaction-based pricing.
FTSE Russell said the new rate was developed after market testing and industry consultation, and that it uses transaction and executable pricing inputs. In plain English, that is the kind of plumbing change that can make a financial system more resilient. When benchmarks are backed by real market activity rather than looser estimates, pricing becomes harder to game and easier to trust.
For South Africa’s banks, corporates and asset managers, the transition also lowers the risk of disruption as legacy contracts tied to JIBAR gradually roll off. That matters to borrowers and lenders alike, because benchmark uncertainty can ripple through funding costs, hedging strategies and treasury operations. A smoother reference-rate transition can support deeper local debt markets over time.
The timing is important too. Global markets have spent years moving away from old interbank benchmarks after regulators pushed for rates rooted in actual transactions. South Africa is now following that broad playbook, and investors should see the new rate as part of a larger effort to improve market infrastructure rather than a headline-grabbing policy shock.
Long term, the benefits are likely to show up in the form of more reliable pricing, better comparability with global markets and fewer transition risks for issuers and lenders. For investors with exposure to South African fixed income or bank funding, this is worth watching closely — not because it will move markets overnight, but because cleaner benchmarks are the kind of boring change that can quietly improve returns and reduce hidden risk over years.
| Entity | Gains | Losses |
|---|---|---|
| South African banks | ▲More reliable funding benchmarks | ▼Legacy JIBAR complexity |
| Borrowers and issuers | ▲Clearer floating-rate pricing | ▼Transition costs |
| Investors in ZAR assets | ▲Better benchmark transparency | ▼Older contracts tied to JIBAR |
| FTSE Russell / LSEG | ▲Benchmark adoption | ▼None material |


