LA Mayoral Election: Who will advance to the 2nd round?

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Active sub-markets

Market context

Los Angeles will hold a mayoral election on 2 June 2026. California's top-two primary system means that unless a single candidate secures over 50% of the vote, the top two finishers advance to a runoff scheduled for 3 November 2026. This market resolves based on whether a specific candidate pair reaches that second round, or whether the election concludes outright in the first round.

Historical precedent suggests runoffs are the norm in LA mayoral contests. In 2022, Karen Bass won the primary with 41.8% against Rick Caruso's 37.8%, forcing a runoff where Bass ultimately prevailed with 50.7%. The 2013 race between Eric Garcetti and Wendy Greuel similarly went to a second round after neither cleared 50% in the primary. The 73% probability assigned to a second round occurring reflects this pattern—outright first-round victories require either overwhelming consensus around a single candidate or fragmentation so severe that one candidate dominates a split field, both relatively uncommon in LA's competitive political environment.

Traders monitoring this market should track candidate entry announcements through late 2025 and early 2026, as field size directly influences runoff probability. Endorsement patterns from incumbent Mayor Bass and the city's labour unions will shape early momentum. Campaign finance disclosures, available quarterly, provide signals about which candidates are building viable operations. Polling data, typically released by local outlets and university surveys, becomes increasingly relevant as June approaches. Any major scandal or withdrawal could shift the probability materially by altering the competitive landscape.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket App UK, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket App UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket App UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket App UK triggers a quick verification flow that finishes in minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.