The best mayor in South Africa has the worst odds

South Africans vote for metro councils on 4 November. Almost every conversation about it is a conversation about opinions — who deserves it, who has ruined what, who is too old or too new or too compromised.

Predika runs a different question. Not who should win. Who will. And the answer isn't a pundit's, it's a price — set by people who have to be right to be paid.

Here is where three of those markets stand this morning.

The number that shouldn't make sense

In February, a sentiment study analysed more than 700,000 mentions of South Africa's metro mayors across X, Facebook and the press. It named Nasiphi Moya of Tshwane the best-regarded mayor in the country.

The same study found Babalwa Lobishe of Nelson Mandela Bay drawing 63% personal criticism, most of it over financial mismanagement and unauthorised expenditure. Her administration has since been called before a parliamentary committee, and her own suspended chief of staff wrote a fourteen-page letter alleging she misled it.

Best-rated mayor: 14%. Among the worst-rated: 27%.

If popularity decided this, those numbers would be the other way round. Popularity doesn't decide it.

You don't vote for a mayor

This is the part that trips up almost everyone, and it's worth getting straight before you form a view on any of these three markets.

South Africans do not elect mayors directly. You vote for a council. The council then elects the mayor. Which means the winner isn't whoever the public likes most — it's whoever can assemble 50% of the seats in a chamber.

Run that logic across the three cities and the odds stop being strange:

Tshwane — good mayor, small party

Moya leads ActionSA, which is a genuine force in Tshwane but nowhere near a majority on its own. She holds the chain because a coalition put her there in October 2024, after Cilliers Brink lost a motion of no confidence. She was the fourth mayor in three years. A coalition that assembled her can just as easily assemble somebody else, and a fresh council reshuffles every card. Being well-regarded doesn't get you a majority. It gets you invited to the negotiation.

Nelson Mandela Bay — troubled mayor, real base

Lobishe's record is being pulled apart in public. But the ANC retains an organised base in the Bay in a way ActionSA doesn't in Tshwane, and the metro has cycled through thirteen mayors since 2001 without that base disappearing. The market isn't saying she's doing a good job. It's saying she has more seats behind her than her press coverage suggests.

Johannesburg — the challenger is the favourite

Zille is the only one of the three who doesn't currently hold office, and she's the only one the market favours. The DA claims internal research showing a path to an outright majority in Joburg — and an outright majority is the one outcome that removes coalition maths from the equation entirely. That claim is exactly what the 55% is pricing. Believe the claim and it's cheap. Doubt it and it's expensive.

How to read a percentage

A price of 27% doesn't mean "no". It means that if you could run this election a hundred times, that outcome wins about twenty-seven of them. Long shots land. Favourites lose. The number is a measure of confidence, not a prediction of fact.

It also means something practical: at 27%, you're paying 27c for a contract that pays out R1 if you're right. If you think the true chance is 40%, that price is wrong in your favour — and saying so with money is how you push it toward what you believe.

That's the whole mechanism. Enough people doing that, and the price becomes the best available summary of what informed people actually think, updated continuously instead of quarterly.

What moves these numbers between now and 4 November

Candidate confirmations. The ANC has named 42 possible candidates for eight metros and confirmed none. Every confirmation resolves uncertainty and moves a price.

Ward-level polling and by-elections. Metro outcomes turn on turnout, not persuasion. Watch turnout in comparable metros — it's the earliest honest signal available.

Coalition signals. Small parties declaring who they'll work with matters more than anything a mayoral candidate says. In a hung council, the kingmaker is whoever holds the last eight seats.

Anything that lands on a record. A parliamentary finding, an audit outcome, a court date. These cities are governed under public scrutiny, and each new fact reprices the people responsible for it.

Taking a position

If you think one of these prices is wrong, you can say so with money instead of a comment thread.

1. Sign up with your email. No wallet, no seed phrase, no crypto experience needed.
2. Add funds in rands. Normal EFT from your bank with a short reference code. From R50.
3. Pick a side on any market at the price showing.
4. Cash out to your bank account whenever you want, or hold until the market resolves.

You're trading against other people's opinions, not against a house. The odds you see are the odds you get.