Colombia Presidential Election 1st round winner?

Platform comparison

Active sub-markets

Market context

Colombia will hold its first-round presidential election on 31 May 2026, with a potential runoff on 21 June if no candidate achieves an outright majority. The market resolves to whichever candidate receives the most valid votes in the initial round, regardless of whether they clear the 50% threshold. A second round would occur only if the leading candidate falls short of that benchmark—a scenario that has materialised in most recent Colombian elections, including 2022 when Gustavo Petro won the runoff despite finishing second in round one.

Historical precedent suggests first-round winners are uncommon in Colombian presidential contests. Since 1991, only two candidates have secured over 50% in the opening ballot. The current 0% crowd probability reflects this structural reality: markets across Polymarket, Kalshi, and Betfair typically price first-round victories as tail-risk events. Traders should note that Kalshi's binary structure (YES/NO with fixed payout) differs from Betfair's decimal-odds format, which can obscure how thin the actual liquidity is on this outcome. Polymarket's AMM model similarly compresses low-probability positions, making comparative odds difficult to parse across platforms.

Key catalysts include candidate registration deadlines (typically January 2026) and campaign momentum shifts through spring. Recent polling from Invamer and Gallup Colombia will shape market sentiment, though first-round knockout scenarios depend heavily on fragmentation among opposition candidates rather than any single frontrunner's strength. The settlement window closes 31 December 2026, providing a six-month buffer beyond election day for result confirmation.

Methodology

This page compares Colombia Presidential Election 1st round winner? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Polymarket Alternative, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Alternative, 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.

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.

What does it cost to trade on Polymarket Alternative?

Zero. Polymarket Alternative routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.

Do I need to KYC for this market?

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