Polymarket$2.32BOIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.
Kalshi$350.67MOIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.
Limitless$18.48MOIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.Compare 2026 Colombian Chamber of Representatives Election prediction market odds side by side across Polymarket, Kalshi. Platforms show similar odds, with an average spread of just 0.3pp. Close agreement often signals strong market consensus. With $3.9K in combined trading volume across 13 outcomes, this is one of the notable cross-platform prediction markets.
Historic Pact for Colombia (PH)KalshiPolymarketCost: 96¢ per pair → pays $1 at resolution. Gross spread 3.6pp before fees.
View all arbs| Outcome | Polymarket | Kalshi | Spread |
|---|---|---|---|
Historic Pact for Colombia (PH) | 100%-0.5 | 96%±0 | 3.6pp spread |
R Radical Change | - | 6% |
| - |
D Democratic Center | - | 3%±0 | - |
C Conservative Party | - | 2%±0 | - |
L Liberal Party | - | 1%±0 | - |
P Party of the U | - | 1%±0 | - |
 Green Alliance | 0%— | 1%±0 | 0.9pp spread |
 MIRA‑CJL coalition (MIRA‑CJL) | 0%— | - | - |
 Centro Democrático (CD) | 0%±0 | - | - |
 Cambio Radical (CR) | 0%-0.5 | - | - |
 Partido Conservador Colombiano (Conservative) | 0%-0.5 | - | - |
 Partido Liberal Colombiano (PLC) | 0%+2.0 | - | - |
 Partido de la U (La U) | 0%— | - | - |
