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FX

The reference

What “according to Afronomics” means

A number is worth citing when its definition is fixed, its source is named, its URL does not change, its timing is on record and its mistakes are logged. This page is that record for every figure Afronomics publishes: the ten markets’ Treasury bill rates, the ASBI, and the measures built on them.

For newsrooms

Use the phrase “according to Afronomics, which compiles Treasury bill auction results published by 10 African central banks”. Every figure has a page you can link that will still be there next year, and a CSV of the full series. Reply within the hour on a working day: desk@afronomicsfeed.com.

Definitions

The Afronomics rate, market by market

Each market’s “rate” is the one its central bank itself headlines, taken from the published result and never re-computed. Where a bank publishes several figures, this is which one we carry.

MarketThe rate we publishPublisherResultsSince
KenyaWeighted average rate: the weighted average rate of accepted bidsCentral Bank of Kenya2,2892011
NigeriaStop rate: the stop (issue) rate at the primary auctionCentral Bank of Nigeria1,7762002
GhanaInterest rate: the weighted average interest-rate equivalentBank of Ghana1,0842018
UgandaMoney-market yield: the money-market yield at the cut-off priceBank of Uganda4172017
TanzaniaWeighted average yield: the weighted average yield of successful bidsBank of Tanzania8932012
EgyptWeighted average yield: the weighted average yield of accepted bidsCentral Bank of Egypt3,2142002
South AfricaAverage tender rate: the average rate at which bills are allotted in the weekly auctionSouth African Reserve Bank3,1522000
ZambiaCut-off yield: the cut-off yield rate at the auctionBank of Zambia5222018
MalawiAverage yield: the average yield of allotted bidsReserve Bank of Malawi1,3912013
MozambiqueWeighted average rate: the weighted average subscription rateBanco de Moçambique1,0782016

Dates are value (issue) dates as the bank prints them. Amounts are local currency, millions, where the bank publishes them; a blank means the bank did not. Rows the bank later restates are replaced and the change logged below.

The index

Afronomics African Sovereign Bill Index

ASBI is published every Monday as the simple, equal-weighted average of the latest 364-day Treasury bill rate in every covered market, a result counting for up to 120 days after its auction, with a minimum of six markets. Equal weighting keeps it a measure of the typical market rather than of the two largest; the per-market contributions are published with every reading so anyone can re-weight it. The series is recomputed from the underlying auctions, so a corrected auction corrects the index, and the change is logged. Latest: 12.33% for the week of 5 October 2026, 10 markets. Method, series and contributions.

Stable addresses

A URL for every number

One auction

/markets/tbills/{market}/{value-date}

Kenya: /markets/kenya-tbills/{value-date}. Rates, amounts, the source document, and the plain-language meaning.

One market’s history

/markets/tbills/{market}

Every result since the series starts, chart, CSV.

The index

/markets/bill-index

Weekly readings, contributions, highs and lows.

Machine-readable

/api/v1/tbills/{market}?tenor=364&from=YYYY-MM-DD

JSON, no key, five-minute cache, attribution line in every response.

These paths will not change. If a page ever has to move, the old address will redirect permanently; nothing cited here goes dark.

Timeliness

When each result appeared on Afronomics

Recorded automatically the first time the pipeline sees a new result, to the minute, Nairobi time. Central banks do not all stamp their publications, so this is our side of the record: the value date the bank printed, and when the figure was live here with its source. Rows marked “history load” came in with a market’s initial import rather than live detection.

MarketResult (value date)RateLive on AfronomicsHow
Zambia2026-10-0110.00%Thu 1 Oct, 21:27 EATpipeline
Mozambique2026-09-2812.09%Thu 1 Oct, 17:30 EATpipeline
Kenya2026-10-059.04%Thu 1 Oct, 17:30 EATpipeline
Malawi2026-09-2916.00%Thu 1 Oct, 17:30 EATpipeline
Mozambique2026-10-0112.11%Thu 1 Oct, 17:30 EATpipeline
Mozambique2026-09-3012.09%Thu 1 Oct, 17:30 EATpipeline
Mozambique2026-09-2312.09%Thu 1 Oct, 02:12 EAThistory load
South Africa2026-09-217.37%Thu 1 Oct, 02:12 EAThistory load
South Africa2026-09-287.50%Thu 1 Oct, 02:12 EAThistory load
Mozambique2026-09-2112.17%Thu 1 Oct, 02:12 EAThistory load
Egypt2026-09-2225.46%Thu 1 Oct, 02:12 EAThistory load
Egypt2026-09-2925.67%Thu 1 Oct, 02:12 EAThistory load
Malawi2026-09-2216.00%Thu 1 Oct, 02:12 EAThistory load
Malawi2026-09-2416.00%Thu 1 Oct, 02:12 EAThistory load
Mozambique2026-09-2212.05%Thu 1 Oct, 02:12 EAThistory load
Tanzania2026-09-236.29%Wed 30 Sept, 14:48 EAThistory load
Ghana2026-09-289.83%Wed 30 Sept, 14:34 EAThistory load
Ghana2026-09-219.98%Wed 30 Sept, 14:34 EAThistory load
Nigeria2026-09-2315.89%Wed 30 Sept, 14:29 EAThistory load
Kenya2026-09-219.06%Wed 30 Sept, 10:45 EAThistory load
Kenya2026-09-289.04%Wed 30 Sept, 10:45 EAThistory load

6 live detections in the last 90 days. The pipeline checks every central bank three times each working day and the monitor every twenty minutes; alerts go out the same minute a result is confirmed.

Corrections

No corrections to published figures yet

When a figure changes after publication — a bank restates a result, a document was misread, a row was duplicated — the change is recorded here with what was wrong, what changed and why. Editorial corrections to articles are on the corrections page. Report an error: desk@afronomicsfeed.com.

What we never do

Estimate a missing figure, let a model write a number, smooth a series, or change a published value without logging it.

What we check

Every parsed result is tested against the notice’s own arithmetic (low ≤ average ≤ high, cost ≤ face value, dates within the auction window) before it is published; anything failing is held, not guessed.

Licence

Free to quote, chart and republish with the credit “Source: Afronomics, compiled from [publisher]” and a link. Commercial redistribution is licensed.