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Will Helen Zille be the next mayor of Johannesburg?

KalshiPolymarket ✓ Verified same-resolution Closes Dec 31, 2026
This market group is no longer actively tracked — final data shown. See live edges →
LIVE PRICES — YES
KalshiTrade ↗
51¢ last
BidAsk
YES47¢49¢
NO51¢53¢
$817 volume
PolymarketBEST YES PRICETrade ↗
44¢ last
BidAsk
YES43¢44¢
NO56¢57¢
$25,061 volume
Cross-venue spread 7.0¢· active arbitrage window
CROSS-VENUE ARBITRAGE

Buy YES on Polymarket and NO on Kalshi — total cost 97¢ per $1 payout, locking +3.0¢ per contract before fees.

30-DAY PRICE HISTORY
HOW THIS RESOLVES

Kalshi — primary rule

If Helen Zille wins the next Johannesburg mayoral election following the 2026 municipal elections, then the market resolves to Yes.

Polymarket — resolution criteria

Municipal elections are currently scheduled to be held in South Africa on November 4, 2026. This market will resolve to the first individual who officially assumes the role of Mayor of Johannesburg following the 2026 South African municipal elections. A qualifying individual must be elected mayor by the Johannesburg City Council. Temporary, interim, or placeholder mayors appointed before the election will not be considered. If the result of this election isn't known by June 30, 2027, 11:59 PM ET, the market will resolve to "Other". The primary resolution source for this market will be official information from the government of South Africa, including the Electoral Commission of South Africa (https://elections.org.za); however, a consensus of credible reporting may also be used.

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STATS
Cross-venue spread7.0¢
Kalshi last51¢
Polymarket last44¢
Venues2
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