
BNB Chain prediction market with $8B+ monthly volume (Jan 2026), AMM model, 100K+ monthly users. Four-layer architecture with AI oracle.
Opinion (opinion.trade) is a prediction market platform on BNB Chain that achieved $8.08 billion in monthly volume in January 2026 with 101,954 monthly users (per DeFi Rate). Uses an AMM model. Building a four-layer architecture: Opinion.Trade (prediction market), Opinion AI (oracle/market-creation assistant), Opinion Metapool (liquidity layer), and Opinion Protocol (token standard). Launched Oct 2024. Covered by Messari, BingX, and Yahoo Finance. OPN token.
Multi-sig auth
API key support
This dossier for Opinion has some gaps. If you have knowledge about any of the following areas, consider contributing.

The world's largest prediction market
Chains: Polygon
Model: CLOB

Trade on events
Model: CLOB

A community of forecasters
Chains: Off-chain (reputation-based system)
Model: Off-chain

Play-money prediction markets
Chains: Off-chain (play money system)
Model: AMM