Short Answer

Both the model and the market expect a first-round winner in the Colombian presidential election, with no compelling evidence of mispricing.

1. Market Behavior & Drivers

This prediction market has demonstrated a predominantly sideways trend, with the probability of a first-round victory trading within a narrow range of 7.0% to 19.0%. The current price of 9.8% is very close to its starting point of 10.0%, indicating a stable, long-term consensus. The most significant price action occurred over a two-day period. On April 24, 2026, the price spiked 9.0 percentage points from 10.0% to 19.0%, though no specific news event was identified to explain this move. This gain was immediately erased the following day, April 25, 2026, when the price fell 9.0 points back to 10.0%. This sharp drop was reportedly driven by the release of Invamer poll results showing the leading candidate well short of the majority needed to avoid a runoff.
The price range of 7.0% to 19.0% has acted as the market's effective support and resistance levels, respectively. The 10% level appears to be a key psychological pivot point for traders. Trading volume data suggests that activity is inconsistent, with bursts of trading corresponding to major price movements, such as the 18 contracts traded on April 24. The low volume on many other days suggests a lack of new information or strong conviction to shift the price significantly from its established range.
Overall, the chart indicates a persistent and strong market sentiment that the Colombian presidential election is unlikely to be decided in the first round. The probability has consistently remained below 20%, suggesting that traders believe a runoff is the most probable outcome. The quick reversal of the price spike in late April reinforces this sentiment, showing that the market rapidly corrected based on polling data that confirmed the difficulty of any single candidate achieving an outright majority.
  • Iván Cepeda's campaign appears to have consolidated support via strategic alliances.
  • Political analysts widely expect a runoff due to a fragmented political landscape.
  • Latest Invamer polling shows Iván Cepeda at approximately 44% support.
  • Iván Cepeda and Abelardo de la Espriella show distinct regional support bases.
  • Colombian law sets specific dates for pre-election poll publication.
  • Over 50% of valid votes are required for an outright first-round victory.

Who Wins and Why

Outcome Market Model Why
First-round winner 9.8% 6.8% Securing an outright majority in the first round of a multi-candidate election often proves challenging.

Current Context

The Colombian presidential election schedule defines the first-round victory criteria. The first round is scheduled for May 31, 2026, with a potential runoff on June 21 if needed [1][2]. The inauguration of the new president is set for either July 28 or August 7 [1][2]. To win in the first round, a candidate must secure more than 50% plus one valid vote [1][3][4].
Recent polls indicate no candidate currently secures a first-round victory. According to an Invamer poll from May 5, 2026, Iván Cepeda of Pacto Histórico leads with 44.3% of the vote, followed by De la Espriella at 21.5% and Valencia at 19.8% [5]. All current polls show the leading candidate below the 45% threshold, leading experts to widely anticipate a runoff election [5][6]. This outlook is consistent with prediction market assessments, where Polymarket estimates a 14% chance of any candidate winning outright in the first round, and Kalshi projects approximately an 11% chance for Cepeda to win in the first round [7][8].
Sources (8)
  1. 1Colombia Elects 2026: Ongoing Coverage of the Presidential Race | AS/COAas-coa.org
  2. 2Colombia’s 2026 Presidential Electioneverycrsreport.com
  3. 3Poll Tracker: Colombia's 2026 Presidential Election | AS/COAas-coa.org
  4. 42026 Colombian presidential electionen.wikipedia.org
  5. 5Colombia 2026 Election: Cepeda Leads at 44%, De la Espriella at 22%, Valencia Surging Lateriotimesonline.com
  6. 6Colombian Presidential Elections: voting intention 2026statista.com
  7. 7Colombian presidential election first round winner? Odds & Predictionskalshi.com
  8. 8Will any presidential candidate win outright in the first... | Polymarketpolymarket.com

2. Price Chart

Historical Price (Probability)

Outcome probability
Date

3. Significant Price Movements

Notable price changes detected in the chart, along with research into what caused each movement.

📉 April 25, 2026: 9.0pp drop

Price decreased from 19.0% to 10.0%

Outcome: First-round winner

What happened: The primary driver for the 9.0 percentage point drop in the "First-round winner" market on April 25, 2026, was the emergence of late-April 2026 Invamer poll results. These polls, with fieldwork ending on April 24, 2026, showed Iván Cepeda leading at 44.3%, short of the >50% needed to secure the presidency in the first round [1][2][3]. This news, indicating a high likelihood of a runoff, coincided with the market decline as the probability of a first-round winner decreased [1][2]. Social media was not identified as a primary driver based on the available information.

📈 April 24, 2026: 9.0pp spike

Price increased from 10.0% to 19.0%

Outcome: First-round winner

What happened: Based on the provided information, no specific social media activity or traditional news event has been identified that would explain the 9.0 percentage point spike in the "First-round winner" prediction market on April 24, 2026. The available poll figures, cited around early May, placed the top candidate, Iván Cepeda, below 50% (e.g., 44.3%), implying an outright first-round win was unlikely [4]. This information, released after the spike, would typically suggest a decrease, not an increase, in the probability of a first-round winner. Therefore, social media was not a primary driver, and no clear cause for the price movement can be attributed from the given sources.
Sources (4)
  1. 1Ivan Cepeda Leads at 44% in Colombia Invamer Poll as Runoff Gap Narrows Against Valenciacolombiaone.com
  2. 2Resultados de encuesta Invamer: Iván Cepeda 44,3%; De la Espriella 21,5%; Paloma Valencia 19,8% - NoticiasCaracolnoticiascaracol.com
  3. 3Poll Tracker: Colombia's 2026 Presidential Election | AS/COAas-coa.org
  4. 4Colombia Elects 2026: Ongoing Coverage of the Presidential Race | AS/COAas-coa.org

4. Market Data

Contract Snapshot

The market resolves to "Yes" if any candidate wins the 2026 Colombian presidential election outright in the first round by meeting the legal vote threshold, thus avoiding subsequent rounds; it resolves to "No" otherwise. The market closes early upon official first-round results determining a winner, or by May 31, 2027, with payouts 30 minutes after closing. Resolution is based solely on the first count of votes, excluding invalid ballots unless specified by law, and insider trading by employees of listed source agencies is prohibited.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
First-round winner $0.10 $0.90 10%

Market Discussion

Prediction markets currently indicate a low probability of any candidate winning the Colombian presidential election in the first round, with Polymarket showing 14% and Lines.com at 6.5% as of April 2026 [1]. Recent polls from April 2026 further suggest no outright winner, as leading candidate Iván Cepeda registers 44.3% and 38% in separate surveys, falling short of the 50%+1 threshold required for a first-round victory [2]. Consequently, a runoff election is expected if no candidate secures a majority of votes in the first round on May 31, 2026 [3].

Sources (3)
  1. 1Will any presidential candidate win outright in the first... | Polymarketpolymarket.com
  2. 2Ivan Cepeda Leads at 44% in Colombia Invamer Poll as Runoff Gap Narrows Against Valenciacolombiaone.com
  3. 3Colombia Presidential Election 1st round winner? Predict... | Polymarketpolymarket.com

5. What late-breaking events or strategic alliances before May 31 could consolidate enough votes for Iván Cepeda to cross the 50% threshold?

Clara López endorsementApril 7, 2026 [1]
Luis Gilberto Murillo endorsementMay 6, 2026 [2]
Late April Invamer PollCepeda at 44.3% in first round [3]
Iván Cepeda's presidential campaign significantly consolidated support through strategic alliances and candidate withdrawals. On April 7, 2026, Senator Clara López dropped her presidential bid to join Cepeda's campaign [1]. This was followed by Luis Gilberto Murillo withdrawing his candidacy and endorsing Cepeda on May 6, 2026, a move characterized as a second major convergence aimed at securing enough votes for an outright first-round victory [2]. Furthermore, the pro-environment Alianza Verde formally joined Cepeda's campaign with Aída Quilcué in April 2026, reinforcing the “Alianza por la Vida” and seeking to avoid vote-splitting [4]. Concurrently, some right-wing sectors also aligned with the Pacto Histórico campaign, presenting the Alianza por la Vida [5].
Despite these consolidation efforts, pre-May 31 polls indicated Cepeda remained below the 50% threshold for a first-round victory. A late April Invamer poll, conducted between April 15 and 24, placed Cepeda at 44.3% in first-round voting intention [3]. Subsequently, a CNC-Cambio poll on May 3 also showed Cepeda below 50% for the first round, registering 37.2% [6]. These poll results highlighted the necessity for additional consolidation among fragmented voter blocs in the remaining weeks to achieve an outright first-round win [3][6]. While an Invamer poll simulation for a second round showed Cepeda at 51.2% against Paloma Valencia's 46.6%, demonstrating the potential impact of late alliances, it simultaneously underscored the ongoing challenge of securing over 50% in the first round [3].
Sources (6)
  1. 1Clara Lopez Drops Colombia Presidential Bid to Join Ivan Cepeda Campaigncolombiaone.com
  2. 2Murillo Drops Out, Backs Cepeda for Colombia’s Presidencycolombiaone.com
  3. 3Ivan Cepeda Leads at 44% in Colombia Invamer Poll as Runoff Gap Narrows Against Valenciacolombiaone.com
  4. 4Alianza Verde se une a Iván Cepeda candidato del Pacto Histórico para elecciones presidencia 2026 - Pacto Históricopactohistorico.co
  5. 5Iván Cepeda se refuerza: sectores de derecha aterrizan en la campaña del Pacto Histórico y presentan la Alianza por la Vida - Semanasemana.com
  6. 6Iván Cepeda lidera encuesta CNC-Cambio y reabre disputa por el segundo lugarcolombia.com

6. What specific factors do political analysts at AS/COA and other think tanks cite when forecasting a near-certain runoff in the 2026 election?

First Round Election DateMay 31, 2026 [1][2][3]
Runoff Election DateJune 21, 2026 [1][2][3]
Vote needed to win first roundOver 50% [1][4][3][5]
Political analysts widely forecast a runoff in Colombia's 2026 presidential election. This prediction is primarily due to a fragmented political landscape, making it improbable for any single candidate to secure over 50% of the vote in the first round [1][4][3][5]. The initial round of the election is scheduled for May 31, 2026, with a second-round runoff slated for June 21 if the majority threshold is not met [1][2][3].
Several factors contribute to the prediction of a mandatory second round. Recent surveys indicate that even the leading candidate's vote intention remains below 45%, with some polls showing support under 40%, far short of the required majority [4][5]. The right-wing vote continues to be fragmented, failing to consolidate behind one candidate. Concurrently, centrist candidates, such as Claudia López and Sergio Fajardo, have experienced a significant decrease in support, signaling a weakening of the political center [4][5]. Additionally, the presence of an "anti-vote" phenomenon suggests a substantial portion of the electorate is unlikely to fully back any single candidate, thus pushing the election toward a runoff [4][6].
Expert consensus and historical data reinforce the runoff forecast. Analysts from sources like Americas Quarterly and Directorio Legislativo explicitly agree that neither of the front-running candidates is expected to reach the 50% vote mark, labeling a runoff as the "most likely scenario" [2][4]. Historical first-round voter turnout consistently ranges from 54-57%, and the current highly fragmented political situation provides no indication that this pattern will change, further supporting the forecast for a second electoral round [7].
Sources (7)
  1. 1as-coa.org
  2. 2directoriolegislativo.orgalertas-v3.directoriolegislativo.org
  3. 3as-coa.org
  4. 4americasquarterly.org
  5. 5thecitypaperbogota.com
  6. 6latinamericareports.com
  7. 7lines.com

7. How do the voter demographics and regional support bases for Iván Cepeda and Abelardo de la Espriella differ?

Cepeda Support in Bogotá36% (Pacto) [1]
Pacto Strength in Pacífico54% [1]
Female Voter Intention for Cepeda32.5% (AtlasIntel) [2]
Iván Cepeda and Abelardo de la Espriella show distinct regional support patterns. Cepeda reportedly leads in Colombia's capital, Bogotá, and the Pacífico region, while de la Espriella holds a lead in the Caribe region [2]. AtlasIntel data also indicates a technical tie between the two in the central region [2]. High regional strength for the Pacto is also noted, reaching 54% in the Pacífico and 49% in the Caribe [1].
Bogotá demonstrates a significant base for Cepeda's political alignment. The city is characterized as a left stronghold for Cepeda, where his formula strength is cited at 36% [1]. Regarding voter demographics, female voter intention is nearly identical for Cepeda at 32.5% and de la Espriella at 32.4%, suggesting that gender does not serve as a major demographic differentiator in their respective support bases [2].
Sources (2)
  1. 1La chiva y los logros de Petro: así busca Iván Cepeda conquistar a Bogotá - La Silla Vacíalasillavacia.com
  2. 2Abelardo de la Espriella le toma ventaja a Paloma Valencia y enfrentaría a Iván Cepeda en una eventual segunda vuelta, según encuesta de AtlasIntelsemana.com

8. What is the release schedule for the final, most influential pre-election polls from key Colombian pollsters like Invamer before the May 31 vote?

Poll publication start dateOctober 31, 2025 [1][2][3]
Presidential candidacy inscription dateJanuary 31, 2026 [1][2][3]
Last public poll dateAround May 24, 2026 [4]
Colombian law sets specific dates for pre-election poll publication. For the May 31, 2026 vote, public release of voting-intention polls is permitted to commence on October 31, 2025. This schedule is tied to the presidential candidacy-inscription date of January 31, 2026, and governs the release timelines for major pollsters such as Invamer [1][2][3].
Final pre-election polls are restricted just before Election Day. Electoral law prohibits the public release of new polling data shortly before the election resolution date, implying that polls published around May 24, 2026, would likely be the last public information on the race [4]. An illustrative example includes Invamer's late-April 2026 polling, with fieldwork conducted from April 15-24, which was published approximately one month before the vote [5][4][6]. This timing demonstrates the pattern of influential "final" polls released within the established window prior to Election Day, consistent with electoral restrictions [4].
Sources (6)
  1. 1Congreso aprueba ley que restringe encuestas presidenciales: así funcionarácolombia.com
  2. 2Congreso aprobó regulación sobre encuestas presidencialesradionacional.co
  3. 3| El Nuevo Siglom.elnuevosiglo.com.co
  4. 4Colombia Election: Cepeda Leads 26 Days Out — Rio Timesriotimesonline.com
  5. 5Encuesta Invamer sacude la carrera presidencial: Cepeda lidera, la derecha crece dividida y el centro se desplomauniminutoradio.com.co
  6. 6Encuestas de Invamer, Atlas Intel, Guarumo, GAD3 mueven el tablero a un mes de elección presidencial |Noticias hoya | EL ESPECTADORelespectador.com

9. How does Iván Cepeda's current polling (~44%) compare to the final first-round results of frontrunners in previous Colombian presidential elections?

Cepeda's Current Voter Intention44.3% (Invamer poll, April 15–24, 2026) [1]
Compared to Iván Duque (2018)+4.0 percentage points higher [2][3][4]
Compared to Álvaro Uribe (2002)-8.8 percentage points lower [2][3][5][4]
Iván Cepeda's current polling places him competitively among past frontrunners. The latest Invamer poll, conducted from April 15–24, 2026, indicates a first-round voter intention of 44.3% for Cepeda [1]. This estimated 44% positions his support higher than some previous Colombian presidential frontrunners' final first-round results, yet it falls below others [1][2][3][5][4].
Cepeda's support surpasses the first-round results of two recent presidents. His approximate 44% voter intention is 4.0 percentage points above Iván Duque's 2018 first-round win of 39.36% [2][4]. Similarly, it is 3.9 percentage points higher than Gustavo Petro's 40.32% in the 2022 first round [3][4].
However, Cepeda's polling trails behind other historical frontrunners. His current standing of about 44% for the first round would be 2.7 percentage points below Juan Manuel Santos, who secured 46.68% in the 2010 first round [2][3][5][4]. Furthermore, it is 8.8 percentage points lower than Álvaro Uribe's commanding 53.05% in the 2002 first round [2][3][5][4].
Sources (5)
  1. 1Ivan Cepeda Leads at 44% in Colombia Invamer Poll as Runoff Gap Narrows Against Valenciacolombiaone.com
  2. 22018 Colombian presidential electionen.wikipedia.org
  3. 32022 Colombian presidential electionen.wikipedia.org
  4. 42002 Colombian presidential electionen.wikipedia.org
  5. 52010 Colombian presidential electionen.wikipedia.org

10. What Could Change the Odds

Key Catalysts

The Polymarket for Colombia's presidential election currently indicates an 86% probability that no candidate will win outright in the first round [1][2]. To secure an outright victory, a candidate must receive more than 50% of valid votes [3][4][5]. The first round of the election is scheduled for May 31, 2026, with a potential runoff on June 21, 2026, if no candidate meets this threshold [3][4][5].
A significant catalyst for shifting market probabilities would involve changes in candidate support that bring a contender closer to or beyond the outright victory threshold. For example, a May 5, 2026 report citing an Invamer survey showed Cepeda at 44.3%, De la Espriella at 21.5%, and Valencia at 19.8% [6]. These figures remain below the more than 50% requirement, which is consistent with the market's high probability for a runoff [6][1][2]. Any substantial movement in late-campaign polling, especially if a candidate approaches or surpasses the 50% mark, could significantly alter the market's 14% probability for an outright first-round win [1][2].

Key Dates & Catalysts

  • Expiration: May 31, 2027
  • Closes: May 31, 2027
Sources (6)
  1. 1Will any presidential candidate win outright in the first... | Polymarketpolymarket.com
  2. 2Will any presidential candidate win outright in the first round of the Colombia's election? | Polymarket Analyticspolymarketanalytics.com
  3. 3¿Primera o segunda vuelta? Así se elige al presidente en Colombia en 2026eluniversal.com.co
  4. 4Cuántos votos necesitaría un candidato para ser presidente en primera vuelta en Colombia: este es el dato según el censo electoral - Infobaeinfobae.com
  5. 5Colombia’s 2026 Presidential Electioneverycrsreport.com
  6. 6Colombia 2026 Election: Cepeda Leads at 44%, De la Espriella at 22%, Valencia Surging Lateriotimesonline.com