Colombia Presidential Election Runoff: Margin of Victory

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Active sub-markets

Market context

Colombia’s presidential runoff has just taken place, and the market is about the winning margin between Abelardo de la Espriella and Iván Cepeda rather than who wins outright. Reuters said de la Espriella finished the contest narrowly ahead, with preliminary results putting him on 49.7% against Cepeda’s 48.7%, a gap of roughly one percentage point, while reporting that turnout topped 26 million and blank ballots were unusually high.[1]

That result sits in line with the first round, when de la Espriella also outpolled Cepeda but not by enough to avoid a head-to-head race, and AS/COA’s tracker highlighted how the runoff began from a relatively tight baseline after the pair took 43.7% and 40.9% respectively.[5] For a margin market, the important point is that Colombia’s electorate has now shown both strong polarisation and limited room for a landslide, which makes a low single-digit winning spread the most natural reading of the current 0% yes price.[1][5]

The main catalyst to watch is not another vote, but the certification of the final count and any post-election challenge. Reuters and NPR both flagged a campaign dominated by security, corruption and allegations of irregularities, with Petro and Cepeda raising concerns about the process while de la Espriella denied accusations against him.[1][7] For traders, the market is leaning most on whether the official tally consolidates around a near-even split or whether late-counted districts widen the gap; campaign-finance disclosures and final concession statements matter mainly insofar as they affect any dispute over the margin.[1][4]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page tracks Colombia Presidential Election Runoff: Margin of Victory across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Election Predictions UK routes every trade through to Polymarket — at 0% fees.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

Is this market available outside the US?

Election Predictions 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.

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, Election Predictions 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.