Colombia June 21 presidential runoff: de la Espriella (80.5% Polymarket, 43.7% first round) vs Cepeda Castro (40.9% first round). $9.6M first-round volume. 30.2% cross-platform spread between Kalshi and Polymarket. DuelDuck opens runoff community duels at 50/50.
Key Takeaways
DuelDuck opens Colombia election community duels at 50/50 for runoff winner, margin, and regional outcomes, regardless of Polymarket or Kalshi consensus.
Polymarket prices Abelardo de la Espriella at 80.5% to win the Colombia presidential election. The June 21 runoff pits him against Ivan Cepeda Castro (Historic Pact, backed by outgoing President Petro).
First-round results (May 31): De la Espriella 43.7%, Cepeda 40.9%. Notable: a 30.2% cross-platform spread exists between Kalshi (73%) and Polymarket (80.5%). $9.6M in first-round market volume.
Key context: prediction markets correctly priced de la Espriella ahead of the first round despite polls showing Cepeda leading 44.6% to 31.6% in the Invamer May 13-20 survey.
Variable | Current status | Prediction market impact |
Paloma Valencia endorsement | Endorsed de la Espriella post-first-round | Consolidates right-wing votes; strengthens de la Espriella probability |
Poll vs market divergence | Invamer May: Cepeda led 44.6% to 31.6%; markets called first round correctly | Prediction markets have proven edge over Colombian poll consensus |
30.2% Kalshi/Polymarket spread | Kalshi 73% vs Polymarket 80.5% | Active arbitrage window; DuelDuck opens at 50/50 regardless of either platform |
Duel format | Example question | Pool size | Timing |
Runoff winner | Will de la Espriella win the June 21 Colombia runoff? (Registraduria official result) | $200-$2,000 | Before June 21 |
Vote margin | Will de la Espriella win the runoff by more than 5 percentage points? (Registraduria official) | $100-$800 | Before June 21 |
Turnout | Will Colombia runoff turnout exceed 55%? (Registraduria official) | $100-$500 | Before June 21 |
Market vs polls | Will the June 21 result match Polymarket's pricing within 5 percentage points? | $100-$500 | Before June 21 |
Start Predicting. Start Earning
DuelDuck - P2P prediction market on Solana. No vig. No KYC. Instant USDC payouts. Create Colombia runoff community duels before June 21 and earn up to 10% creator fee from LatAm political community conviction on both sides.
Disclaimer: This article is for informational purposes only. Prediction market trading involves risk. 18+ only.
June 21, 2026 runoff between de la Espriella (43.7% first round, right-wing tough-on-crime platform) and Cepeda Castro (40.9%, backed by President Petro). Polymarket prices de la Espriella at 80.5% to win.
Invamer's final poll showed Cepeda leading 44.6% to 31.6%. Markets priced de la Espriella as the favorite. He won the first round 43.7% to 40.9%. The divergence was one of the most notable poll-vs-market gaps of 2026.
Kalshi prices de la Espriella at 73% vs Polymarket at 80.5%. A 30.2% spread signals one platform is mispriced. Arbitrage participants buy on the lower-priced platform. DuelDuck opens at 50/50 regardless of either consensus.
Yes. DuelDuck requires no KYC and accepts Gmail and Telegram sign-in globally. USDC eliminates currency conversion. Kalshi is restricted to US participants and excludes LatAm users entirely.
Go to duelduck.com/create-duel. Use Colombia's Registraduria Nacional as resolution source. Set deadline before June 21 runoff.