Betting writer · Nairobi, Kenya
The working shown: probability, price, sample size, and what the market is actually paying you for.
Beats
What Wanjiru covers
- Market guides
- Predictions
- Operator reviews
- Comparisons
- Methodology
In depth
About Wanjiru Kamau
Key takeaways
- Wanjiru Kamau is the betting writer based in Nairobi, writing for five African countries.
- She treats every bet as a priced opinion and shows the probability and the reference price behind each call.
- A reference price is one divided by the estimated probability, so a 50% call has a fair decimal price of 2.00.
- My predictions express a judgement rather than a promise; readers can review unsuccessful selections alongside successful ones.
- Kick-off times on her pages appear in WAT, EAT, SAST and GMT together.
Wanjiru Kamau is the betting writer here, and I treat every bet as a priced opinion. From Nairobi, I cover football market guides, predictions and operator comparisons for readers in Nigeria, Kenya, South Africa, Ghana and Uganda, including those who call the game soccer. A price is a little like the fare a matatu conductor quotes before you board, in that it tells you what somebody else thinks the journey is worth, and you are free to disagree.
Below is how I watch a match and how to read a call of mine, so that you know what you are getting before you lean on a number with my name beside it.
Who I Am And Where I Write From
I write from Nairobi, which puts my desk on East Africa Time, three hours ahead of GMT. I come at football from the price rather than the badge, in the sense that my first question about any match is what the market expects and whether I agree with it. I am a house writer, so what you get from me is a view with the reasoning attached. In my opinion, that is the fair way to do this job, because an argument can be checked by anyone who reads it.
How Do I Watch A Match?
What am I looking for when the match is on? Mostly the things a final score hides. A 1-0 can come from a side that controlled the game or from one that survived it, and those are different teams to price the next time they play. I pay attention to the routes into scoring positions and the tactical adjustments once either side takes the lead, then compare those observations across several matches. One game is a small sample, and I would rather read a season than a single afternoon.
The African players are my way into any league. The Africa Cup of Nations offers another way to follow those players, through their national teams as well as their clubs. When an African international changes a club's attacking options, I look at what that means for the chances it creates, and it is worth watching whether the price follows. That connection between club and international football helps shape how I read a match.
What Can You Expect From My Pages?
I explain betting choices and assess operators for all five countries, each with the country writer's local read alongside mine. A market guide explains how a bet is settled and what counts, with worked scorelines. An operator comparison is scored against stated criteria, so you can see where every point came from, and where one scores lower I say what was measured and what would change it.
The table (the log, for South African readers), fixtures, results and records sit above my words as modules that update after every match. But, I do not repeat their numbers in prose, because a sentence about the standings is out of date by the next final whistle. My job is to explain how to read them. Kick-off times are given in WAT, EAT, SAST and GMT together, so a reader in Kampala and a reader in Accra are looking at the same line.
How Should You Read My Predictions?
For each prediction, I give an estimated probability and the reference price calculated from it, without promising the outcome. The arithmetic is simple enough to do on a phone. If I rate an outcome at 50%, the fair decimal price is 2.00, since one divided by 0.5 is two. A price above that pays you more than my estimate says the risk deserves, and a price below it pays you less.
Does a good probability mean the call will land? No, and that is the part most worth understanding. If I am exactly right about a 60% call, it still loses four times in every ten, which is why the losing calls stay published beside the winning ones. As such, judge me over a long run of calls, and stake only what you can comfortably afford to be without.
Betting is for adults aged 18 and over; if it stops being fun, a local support helpline can help.
| Part Of The Call | What It Tells You | How To Use It |
|---|---|---|
| Selected outcome | The result or market I am backing, with the settlement period stated | Check that it matches the market you are looking at before anything else |
| Estimated probability | How often I expect that outcome to happen over many similar matches | Treat it as a frequency over a long run, never as a verdict on one game |
| Reference price | One divided by the probability, shown as decimal odds | Compare it with the price on offer to see whether you are being paid more or less than the estimate |
| Reason | The working behind the number | Disagree with it if your own read of the match is different |
FAQ
Who is Wanjiru Kamau?
I am the betting writer on this site, based in Nairobi. What I write serves readers in Nigeria, Kenya, South Africa, Ghana and Uganda.
Does Wanjiru Kamau promise that a prediction will win?
No. My selections include a probability estimate, its corresponding reference price and a published result, whether successful or unsuccessful. A probability describes how often a call should land over many matches, never what will happen in one.
What is a reference price?
A reference price is the decimal price that matches my estimated probability, found by dividing one by that probability. It is a yardstick for judging the prices you see, and it is never a quote from a bookmaker.
Why do my pages show four kick-off times?
Because the readers sit in four time zones. Nigeria uses WAT (GMT+1), South Africa uses SAST (GMT+2), Kenya and Uganda use EAT (GMT+3) and Ghana is on GMT, so every kick-off is listed in all four.
Written by Wanjiru Kamau, 2026-11-11.
Pages
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