Will any presidential candidate win outright in the first round of the Colombia's election?

Platform comparison

Market context

Colombia will hold its presidential election on 31 May 2026, with voters selecting a successor to Gustavo Petro. The electoral framework requires a candidate to secure more than 50% of valid votes to win outright in the first round; absent that threshold, a runoff between the top two finishers occurs on 21 June. The crowd-implied probability of 1% for a first-round outright victory reflects the structural difficulty of achieving an absolute majority in a fragmented field.

Colombian presidential elections have rarely produced first-round winners. In 2022, Petro won with 50.4% of votes cast, a narrow margin that required him to clear the 50% bar precisely. Historical precedent shows that when multiple viable candidates compete—as appears likely given regional and ideological divisions—vote splitting typically forces a second round. The 2018 election saw Iván Duque advance to a runoff despite leading the first round, whilst earlier contests in 2014 and 2010 similarly required second rounds. The current 1% probability aligns with this pattern, suggesting traders view a first-round majority as a tail-risk scenario.

Key variables include candidate registration deadlines, campaign momentum in the months preceding the election, and whether any single contender can consolidate support across Colombia's diverse regions and voter blocs. Recent polling data and candidate announcements will shape expectations as the election approaches. The settlement window closes 31 May 2026 at 14:00 UTC, coinciding with voting day, meaning results should be available within hours of polls closing. Any ambiguity regarding vote totals or official certification would trigger the 31 December 2026 fallback resolution to "No".

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 Best Prediction Markets UK, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Best Prediction Markets 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?

Best Prediction Markets 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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within 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.