Opportunity Finder - Complete API Reference

Discover and execute cross-platform arbitrage opportunities across Polymarket, Kalshi, Betfair, Smarkets, Manifold, Metaculus, PredictIt, and Drift.

Based on arXiv:2508.03474 which found $40M+ in realized arbitrage on Polymarket.

Opportunity Types

Type	Description	Example
Internal	YES + NO < $1 on same platform	Buy both for guaranteed profit
Cross-Platform	Same market priced differently	Buy low on A, sell high on B
Combinatorial	Logical violations (P(A) > P(B) when A implies B)	Trump > Republican
Edge	Market vs external model (538, polls)	Market 45%, model 52%