Colombia Presidential Election Runoff: Margin of Victory

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Market context

Colombia’s presidential runoff has already been decided in practice by a very tight two-horse race, with the first round producing Abelardo de la Espriella on 43.74% and Iván Cepeda on 40.90%, a gap of just 2.84 points.[1][2] For this market, the key variable is not simply who wins, but how narrow the final split in valid votes turns out to be, because a close first round usually leaves the runoff margin sensitive to turnout, tactical consolidation, and late movement among supporters of eliminated candidates.[1][4]

Comparable Colombian runoffs and recent polling both point to a contest where the margin can compress quickly, not only because the finalist gap was modest, but because the transferred vote pool is large enough to matter. Commentary around the runoff has highlighted that third-place and centrist voters, plus blank ballots, could determine whether the final margin lands in low single digits or widens materially.[1][4][5] A 0% crowd-implied probability on a specific margin outcome therefore signals either very thin liquidity or a book that is still waiting for final results to settle in, rather than a settled view of the election’s likely closeness.

For traders, the practical catalysts are the official runoff count, any late Electoral Council updates, and the pace at which overseas and domestic ballots are incorporated into the total. Funding flows matter because prediction-market depth is often shaped by how quickly users can top up and withdraw; low-friction on-ramps such as card rails, SEPA transfers, Klarna-style deferred payment options, or stablecoin deposits can broaden participation, while slower withdrawal rails can keep capital temporarily trapped in-book and deepen near-term liquidity. The first published count, followed by any recount or validation process, will be the main driver of whether the winning margin ends up inside or outside the market’s implied band.[2][5]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Colombia Presidential Election Runoff: Margin of Victory across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket Klarna UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

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How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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.

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