What Prediction Markets Are Forecasting

Prediction markets currently show a near-certain belief that no candidate will win the Costa Rica presidential election outright in the first round. The market assigns a 100% probability to "No," meaning traders are virtually certain a runoff election will be required. In simple terms, they see it as almost impossible for any single candidate to secure enough votes to avoid a second round.

Why the Market Sees It This Way

Costa Rica uses a two-round system where a candidate must win over 50% of valid votes in the first round to claim the presidency immediately. The market's certainty stems from the country's recent political history and its current electoral landscape. Costa Rica has not seen a first-round presidential victory since 2002. Elections in 2014, 2018, and 2022 all proceeded to runoffs, reflecting a consistently fragmented political field with multiple competitive parties.

This pattern is expected to hold in 2026. No dominant political figure or party has emerged with the broad support needed to cross the 50% threshold. Public opinion is often divided among several candidates from parties like the PLN, PUSC, and newer progressive movements, making an outright majority for any one person very difficult to achieve.

Key Dates and Events to Watch

The official campaign period for the 2026 election will begin many months in advance, but the critical date is the first round of voting itself, scheduled for February 1, 2026. The main signals to watch before then will be the selection of official party candidates and the early opinion polls following those selections. If a major party consolidates behind a single, highly popular figure, or if a new political alliance forms that captures overwhelming public interest, it could theoretically shift the prediction. However, any poll showing a candidate consistently above 50% support would be a significant surprise and the primary event that could change the market's view.

How Reliable Are These Predictions?

Prediction markets have a solid track record in forecasting electoral outcomes, especially for structural questions like whether a runoff will occur. Their accuracy often rivals or exceeds that of polls. In this case, the forecast is less about predicting a specific winner and more about anticipating a well-established systemic pattern. The main limitation here is time. The election is over a year away, and unforeseen political shocks or dramatic changes in the candidate field could alter the scenario. Yet, given the deep-rooted trend of runoffs in Costa Rica, the market's high-confidence forecast is based on a very consistent historical precedent.