Colombia Presidential Election Runoff: Margin of Victory

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Market context

Colombia’s presidential runoff pits Abelardo de la Espriella against Iván Cepeda, with the market resolving on the **absolute margin of victory** in valid votes between the top two finishers. In prediction markets, a **YES** share pays out if the stated condition happens and a **NO** share pays if it does not; here, the key question is not simply who wins, but *by how much* the winner’s valid-vote share exceeds the runner-up’s.[1][5]

Recent comparable evidence suggests the market is really a read on how tight the second round will be. De la Espriella led the first round with 43.7% to Cepeda’s 40.9%, and preliminary runoff results on 21 June showed a narrow win for De la Espriella at 49.65% to 48.70%, implying a margin just under one percentage point.[1] That is consistent with a contest where small shifts in turnout, blank votes, or late movement among eliminated-candidate supporters can materially change the final spread. Early external pricing also leaned heavily towards a De la Espriella win, with one market snapshot showing him near 89% to win outright, which helps explain why a 0% crowd-implied probability for a specific margin outcome may reflect a very narrow, outcome-specific threshold rather than the election itself.[2][3]

The main catalysts are the official runoff timetable, the release of preliminary and then certified results, and any late campaign developments that affect turnout or vote transfers. The runoff was scheduled for 21 June, with official counting expected to determine the final valid-vote percentages used for settlement.[1][4] Traders should watch for communications from Colombia’s electoral authorities, since the market’s payoff depends on the final certified split between the top two candidates, not on headlines, exit polls, or seat counts.[1][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 Prediction Market UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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 Prediction Market 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?

Prediction Market 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.

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.

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.