Polymarket vs Opinion
Opinion is a BNB Chain prediction market with macro-focused markets and an AI-based oracle. Its volume has fallen sharply since early 2026.
Side-by-side comparison
| Polymarket (international) | Opinion (Opinion Labs) | |
|---|---|---|
| Type | Crypto prediction market | Crypto |
| Regulator | Not registered in the US; restricted or blocked in 40+ countries and regions | None |
| Who can use it | Countries not geoblocked by Polymarket or national regulators | Global, except the United States, UK, France, Ontario, Singapore, Poland, Thailand, South Korea, China, Taiwan, Hong Kong and sanctioned regions. 18+. VPN use is prohibited. |
| Fees | Taker fee = shares × feeRate × p × (1 − p); feeRate 0 (geopolitics) to 0.07 (crypto). Makers pay $0 and earn rebates. No deposit or withdrawal fee. | Takers only; makers pay 0. Effective rate = topic_rate x p x (1-p) x (1 - discounts). Fee = max(notional x effective rate, $0.25). Range is 0-1% of notional, peaking at 50c. $0.25 minimum fee and $5 minimum order. |
| Funding | Crypto from many chains, converted to pUSD on Polygon | Crypto wallet on BNB Chain (stablecoins such as USDT). Binance Wallet integration. |
| Identity checks | Email or wallet sign-up | No formal KYC. It may request information to confirm you are not a Restricted Person. |
| Markets | Politics, geopolitics, crypto, sports, economics, culture, weather, tech | Macro and economics (Fed, CPI), crypto, politics and world events, sports. |
| How outcomes are settled | Written rules + UMA Optimistic Oracle; disputes decided by UMA token-holder vote | Mostly 'Opinion AI', described as a decentralized multi-agent AI oracle. Each market page names its resolution method. |
| Recent volume | About $4.6B notional in the 30 days to 18 October 2026 (DeFi Rate data) | 30 days to Oct 19, 2026: $276.1M volume ($552.1M notional), per DefiLlama. About $120M in the final week of Sept 2026. Cumulative $12.6B ($25.5B notional). Down sharply from its peak: it reported about $7B in December 2025 alone, and its TVL peaked at $158M (Jan 23, 2026) before falling to about $3M (Oct 2026). |
Opinion (Opinion Labs): strengths and weaknesses
Strengths
- Was the largest BNB Chain prediction market and briefly rivaled Polymarket on volume (late 2025 to early 2026)
- Low percentage fees (max 1%) and free maker orders
- Strong macro and economics market focus
Weaknesses
- Volume and TVL have collapsed since early 2026 as points incentives faded
- $0.25 minimum fee hurts small trades
- AI-oracle resolution is novel and less battle-tested than UMA or centralized settlement
- Blocked in the US, UK and many other countries
What changed in 2026
Raised a $20M pre-Series A and ran its token generation event. Ran weekly volume-based points programs (including the Binance Wallet Booster). Wash-traded and incentive-driven volume inflated its early figures.
Which should you choose?
Opinion is a BNB Chain prediction market with macro-focused markets and an AI-based oracle. Its volume has fallen sharply since early 2026. Compare fees with our fee calculator and check whether each platform is allowed where you live before signing up.
Ready to try it? Check it is available where you live, then open Polymarket.
Open PolymarketFigures checked in October 2026. Fees and availability change often; confirm on each platform's own site.
Frequently asked questions
Is Opinion better than Polymarket?
It depends on where you live and what you trade. Opinion is a BNB Chain prediction market with macro-focused markets and an AI-based oracle. Its volume has fallen sharply since early 2026.
Which is cheaper, Polymarket or Opinion?
Polymarket: Taker fee = shares × feeRate × p × (1 − p); feeRate 0 (geopolitics) to 0.07 (crypto). Makers pay $0 and earn rebates. No deposit or withdrawal fee. Opinion (Opinion Labs): Takers only; makers pay 0. Effective rate = topic_rate x p x (1-p) x (1 - discounts). Fee = max(notional x effective rate, $0.25). Range is 0-1% of notional, peaking at 50c. $0.25 minimum fee and $5 minimum order.