Most prediction market growth has been driven by sports and elections. Opinion is making a different bet — literally. The platform is built around macroeconomic prediction markets: Fed rate decisions, CPI prints, GDP data, employment reports, and geopolitical events. It settles everything on-chain, uses AI oracles for market resolution, and has grown from zero to the third-largest prediction market by open interest in under six months. Here's what you need to know before trading on it.
Opinion at a Glance
| Detail | Info |
|---|---|
| Founded | 2025 |
| Founder | Forrest Liu |
| Blockchain | BNB Chain (primary), Ethereum |
| Regulation | Not CFTC-regulated; operates as a decentralized on-chain protocol |
| Settlement | On-chain (USDT) |
| US availability | Not explicitly restricted, but not CFTC-licensed; US users should exercise caution |
| Token | OPN (launched March 5, 2026 on Binance) |
| Total token supply | 1 billion OPN |
| Circulating supply at TGE | ~19.85% (~198.5M tokens) |
| Market cap | ~$62M (March 2026) |
| Total funding | ~$25M (seed + pre-Series A) |
| Key investors | YZi Labs (formerly Binance Labs), Hack VC, Jump Crypto, Animoca Ventures, Amber Group, Primitive Ventures |
| Open interest | $130M+ (third-largest globally behind Kalshi and Polymarket) |
| Trading volume | $1B in first 10 days after launch; ~$130M daily OPN token volume |
| Taker fees | Dynamic, 0%–2% (peaks at 50% probability) |
| Maker fees | Zero |
| Minimum order | $5 |
| Minimum fee | $0.50 |
| Order types | Market and limit orders |
| Market resolution | AI oracle (multi-agent: Gemini, OpenAI, Claude) + human review |
What Is Opinion?
Opinion is a decentralized prediction market protocol focused on global macroeconomic events. While platforms like Kalshi and Polymarket have been driven primarily by sports and election contracts, Opinion positions itself as the "People's Terminal for Global Economic Trading" — a platform where anyone can trade directly on economic data releases, central bank decisions, and macro trends without needing institutional-grade terminals or proxy assets.
The core thesis is straightforward. If you believe the Fed will cut rates at the next meeting, you currently have to express that view by trading bonds, equities, or crypto — all of which involve exposure to dozens of other variables. Opinion lets you trade the event directly. You buy YES shares on "Fed cuts 25 bps" and, if correct, each share pays $1.
Opinion launched on BNB Chain in late October 2025 (private access on October 24, permissionless access on November 4) and hit $1 billion in trading volume within its first 10 days. By late November, open interest reached $60.9 million, ranking it third among prediction markets behind Kalshi and Polymarket. As of early 2026, open interest has climbed past $130 million.
The platform raised $5 million in a seed round led by YZi Labs (formerly Binance Labs) in March 2025, followed by a $20 million pre-Series A in February 2026 backed by Hack VC, Jump Crypto, and others. The OPN token launched on Binance on March 5, 2026, and trades on multiple centralized exchanges including Binance, Gate, OKX (futures), and Bitget.
How Does Opinion Work?
The Opinion Stack
Opinion's architecture is organized into four layers, collectively called the Opinion Stack.
Opinion.Trade is the live prediction exchange — the front-end where users browse markets, place orders, and manage positions. It runs a central limit order book (CLOB), meaning you can see bids and asks, place limit orders, and gauge liquidity depth before entering a trade.
Opinion AI is the resolution system. Rather than relying on a single oracle or manual human determination, Opinion uses a multi-agent AI oracle that ingests predefined data sources, proposes an outcome, and then submits it to a "jury" of AI models (including Gemini, OpenAI, and Claude) for review. Independent human reviewers evaluate and verify the final determination. This optimistic proposal-and-dispute process is designed to resolve markets transparently and without human bias.
Opinion Metapool is a planned liquidity layer (still in development) that will aggregate capital across semantically similar markets. The goal is to let users who are stuck in low-liquidity markets exit into more active markets tracking the same underlying event. When live, it could meaningfully improve the liquidity experience on less popular markets.
Opinion Protocol is a proposed universal token standard that would enable interoperability across different prediction venues and blockchains. This is also still in development, with expected release later in 2026.
Placing a Trade
The trading flow on Opinion is similar to other order-book-based platforms. You connect a crypto wallet, deposit USDT, browse markets by category (Macro, Crypto, News & Politics), select a market, and choose YES or NO. The order panel lets you select between market orders (instant execution, pays taker fees) and limit orders (set your own price, no fees when your order rests on the book as a maker).
Each share trades between $0 and $1, representing the market's estimated probability of the outcome. If you buy YES at $0.40 and the event resolves in your favor, each share pays $1 — a $0.60 profit. You can sell your position at any time before resolution at the current market price.
The interface shows the full order book, historical price charts, and specific resolution rules for each market. A "My Portfolio" tab tracks open positions and P&L.
What Markets Can You Trade on Opinion?
Opinion's market catalog is deliberately different from the sports-heavy focus of Kalshi, Robinhood, and OG.
Macroeconomics — The Core Focus
This is where Opinion differentiates itself most clearly. The platform offers contracts on FOMC interest rate decisions, CPI inflation data, GDP growth figures, unemployment reports, and other major economic releases. These markets are designed to attract traders who treat prediction markets as a tool for expressing views on economic fundamentals — the kind of activity that previously required institutional derivatives desks.
The CLOB structure supports professional-grade order sizes. Opinion claims its order book can handle million-dollar trades, which positions it for institutional and quantitative trader adoption.
Crypto
Contracts on Bitcoin price targets, Ethereum milestones, ETF approval outcomes, and other crypto-native events. Given Opinion's BNB Chain home and crypto investor base, these markets are naturally active.
News and Politics
Election outcomes, major geopolitical events, and global news headlines. This category is broader and less structured than the macro focus, but it adds variety for traders who want to express views beyond economic data.
Culture and Other Events
Opinion has expanded into cultural prediction markets, though this remains a smaller category. The platform's permissionless market creation feature allows users to propose new markets, with Opinion AI helping generate resolution criteria and verifying whether topics meet resolvability standards.
What's Missing
Sports. Opinion does not focus on sports prediction markets, which is a deliberate strategic choice. While sports drives 90% of Kalshi's revenue and is the primary growth engine for most US prediction platforms, Opinion has chosen to target the macro derivatives space instead. If you're primarily a sports trader, Opinion isn't the platform for you.
Opinion Fees: How Much Does It Cost?
Opinion uses a dynamic fee model that's more favorable to limit-order traders than most competitors.
Maker Fees: Zero
If you place a limit order that rests on the order book waiting to be filled, you pay no fees. This is a significant incentive for traders who provide liquidity — and it means active, strategic traders can execute their macro views at essentially zero cost.
Taker Fees: Dynamic, 0%–2%
If you place a market order that executes immediately against existing orders, you pay a dynamic fee that scales with the contract's probability. The formula follows a price × (1 - price) curve, meaning fees peak at 50% probability (maximum uncertainty) and approach zero as contracts near 0% or 100% probability.
The maximum effective taker fee rate is approximately 2% at 50% probability. At more extreme probabilities (contracts near $0.10 or $0.90), fees drop significantly.
There's a $0.50 minimum fee per trade and a $5 minimum order size. For very small trades, the minimum fee can represent a meaningful percentage of the position. For larger trades, the dynamic curve is competitive with other platforms.
Fee Discounts
OPN token holders can unlock fee discounts through the VIP staking program, with tiered reductions up to 100% off taker fees (the $0.50 minimum still applies). Referral discounts stack with VIP discounts.
Gas Costs
Opinion covers on-chain gas for trade matching and settlement — the most frequent transaction types. Low-frequency actions (like deposits and withdrawals) may require users to pay small network fees. BNB Chain gas costs are typically minimal ($0.01–$0.50), so this isn't a meaningful cost for most traders.
How Opinion Fees Compare
On a $1,000 position at even odds: Opinion taker fees would be approximately $5 (0.5% effective rate at 50% probability with a typical topic rate). A maker placing the same trade via limit order pays zero. For comparison, Kalshi charges roughly $35, Polymarket US charges $1, and Robinhood charges $4 for equivalent positions. Opinion's maker-free model makes it extremely competitive for liquidity providers, while its taker fees fall in the middle of the pack.
The OPN Token
OPN is the native utility and governance token of the Opinion ecosystem. It launched on Binance on March 5, 2026, with trading pairs including OPN/USDT and OPN/BNB.
Token Utility
OPN serves four primary functions within the ecosystem. It's used to pay trading fees (with discounts for holders), participate in protocol governance (voting on upgrades, asset listings, and treasury allocation), access premium AI oracle data and analytics, and unlock VIP program tiers with higher API limits and enhanced features.
Tokenomics
Total supply is capped at 1 billion OPN. At launch, approximately 19.85% entered circulation. The allocation breakdown includes 23.5% for airdrops, 23% for investors, 19.5% for the core team, with the remainder split across liquidity, marketing, and foundation reserves.
The team and early investor tokens are subject to a 12-month cliff after TGE, followed by two years of linear vesting. This lock-up structure is designed to prevent immediate selling pressure, though the large airdrop allocation (23.5%) has created some near-term downward pressure as airdrop recipients take profits.
Token Performance
As of mid-March 2026, OPN trades around $0.31 with a market cap of approximately $62 million and a fully diluted valuation of roughly $316 million. The token has been volatile since launch, reflecting both the early price discovery phase and broader crypto market conditions. Daily trading volume on centralized exchanges regularly exceeds $100 million.
Should You Hold OPN?
The OPN token is worth considering if you're an active Opinion trader who benefits from fee discounts and governance participation. The staking program's tiered fee reductions can meaningfully improve your trading economics if you use the platform regularly.
As a purely speculative investment, OPN carries the risks typical of early-stage crypto tokens: limited circulating supply, upcoming unlock events, and a valuation that depends on continued platform adoption. The $316 million FDV is aggressive for a platform that, while growing fast, is still in its early stages.
User Experience and Interface
Opinion's interface is functional and data-rich, but it's clearly built for crypto-native users rather than mainstream retail traders.
The trading screen is organized around the order book, which displays bid and ask depth, historical price charts, and resolution criteria. Market categories are navigated through tabbed sections (Macro, Crypto, News & Politics), and trending markets are highlighted on the main page.
The platform is web-based — there's no dedicated mobile app as of March 2026. You interact with Opinion by connecting a crypto wallet (MetaMask, etc.) and depositing USDT on BNB Chain or Ethereum. If you've used DeFi platforms before, this flow is familiar. If you haven't, there's a learning curve: you need to set up a wallet, acquire USDT, bridge to BNB Chain, and connect to the platform.
This is a fundamentally different onboarding experience than Kalshi (deposit USD from your bank) or Robinhood (use your existing brokerage account). Opinion is accessible to anyone comfortable with crypto wallets, but it's not designed for prediction market beginners who want to deposit dollars and start trading immediately.
One notable feature is permissionless market creation. Anyone can propose a new prediction market, and Opinion AI assists in generating resolution criteria and verifying whether the topic is resolvable. This open-creation model increases the variety of available markets beyond what platform-curated models can offer, though it also means some markets may have thin liquidity.
Opinion's Competitive Position
Opinion occupies a genuinely unique position in the prediction market landscape. It's not competing directly with Kalshi or Robinhood for sports traders. It's not trying to be the next Polymarket for political junkies. It's building the macro prediction infrastructure that neither of those platforms has prioritized.
Strengths
Macro focus is the niche. No other major prediction market has built this deeply into economic data markets. CPI, FOMC, GDP, employment — these are the markets that institutional quant desks actually care about, and Opinion is the first platform to make them accessible through a prediction market format.
Zero maker fees. For limit-order traders and liquidity providers, this is a massive advantage. You can execute a macro trading strategy on Opinion with zero explicit trading costs if you're patient enough to provide liquidity.
AI-powered resolution. The multi-agent oracle (using Gemini, OpenAI, and Claude with human review) is a genuinely novel approach to market resolution that reduces dependence on single oracles and manual processes.
On-chain transparency. All settlements happen on-chain, providing an auditable record that centralized platforms don't offer.
Fast growth. $1B in volume in the first 10 days. $130M+ in open interest. Third-largest prediction market globally. For a platform that's less than six months old, these numbers are remarkable.
Weaknesses
Not CFTC-regulated. Unlike Kalshi, Polymarket (US), Robinhood, and OG, Opinion doesn't operate under CFTC oversight. For US-based traders, this creates legal ambiguity. The platform isn't explicitly blocked in the US, but it doesn't have the regulatory clarity that CFTC-registered platforms provide.
Crypto-only onboarding. You need a wallet and USDT to trade. There's no bank deposit, no debit card, no PayPal. This limits the addressable market to crypto-comfortable users.
No mobile app. Web-only access in March 2026. For a market that increasingly lives on mobile, this is a gap.
Token dependency. The OPN token economy creates incentives that don't exist on purely fee-based platforms. Airdrop farming, point systems, and token unlock dynamics can distort trading behavior and liquidity patterns, especially in the platform's early stages.
Limited non-macro markets. If you want to trade sports, deep political markets, or cultural events, the catalog is thin compared to Kalshi or Polymarket.
Young platform. Six months of operation. Unproven through extended bear markets, major resolution disputes, or regulatory challenges. The infrastructure is impressive, but track record matters in prediction markets.
Opinion vs. Kalshi vs. Polymarket
| Feature | Opinion | Kalshi | Polymarket |
|---|---|---|---|
| Best for | Macro/economic traders, crypto-native users | US sports/economics traders, beginners | Political markets, active traders, API users |
| Regulation | Not CFTC-regulated (on-chain protocol) | CFTC DCM | CFTC (US via QCEX); global (offshore) |
| Settlement | On-chain (USDT, BNB Chain) | USD | USDC (global); USD (US platform) |
| Maker fees | Zero | Reduced (with rebates) | Rebate of 0.10% (US) |
| Taker fees | Dynamic, 0%–2% | Variable, max ~$0.02/contract | 0.10% (US); varies on global |
| Macro markets depth | Deepest | Strong | Limited |
| Sports markets | None | Dominant (90% of volume) | Growing |
| Political markets | Limited | Good | Deepest |
| Native token | OPN | No | No (POLY rumored) |
| Mobile app | No (web only) | iOS and Android | iOS and Android |
| Demo account | No | Yes (free) | No |
| Onboarding | Crypto wallet + USDT | USD bank deposit | Card/ACH (US); USDC (global) |
| Open interest | $130M+ | $400M+ | $360M+ |
| API | Open API + WebSocket + CLOB SDK | Functional | Comprehensive (3 APIs + SDKs) |
Is Opinion Safe?
Opinion is backed by reputable investors (YZi Labs/Binance Labs, Jump Crypto, Hack VC) and settles all trades on-chain, providing transparency that centralized platforms can't match. The smart contracts have been audited (audit reports are available in their documentation).
However, "safe" comes with important caveats for a platform like Opinion.
No CFTC regulation. Opinion doesn't operate under the same federal oversight as Kalshi, Polymarket US, or Robinhood. There's no government-backed framework for customer protection, dispute resolution, or payout guarantees beyond what the smart contracts and the platform's own processes provide.
Smart contract risk. All on-chain platforms carry the risk of smart contract vulnerabilities. While audits reduce this risk, they don't eliminate it.
Oracle risk. The AI oracle system is novel but unproven at scale. If the multi-agent resolution system produces contested outcomes on high-value markets, the dispute process will be tested. How robust that process proves to be under pressure is an open question.
Token economics risk. The OPN token creates incentive dynamics that could attract speculative behavior not aligned with genuine prediction market participation. Airdrop farming, point gaming, and token-driven volume inflation are common challenges for crypto-native platforms.
You can lose money. Prediction markets are inherently risky. Contract prices can move sharply on news events, and you can lose your entire position. Opinion's macro focus means you're exposed to the same volatility as professional macro traders — positions can move significantly in seconds when economic data drops.
Who Is Opinion Best For?
Great fit:
Macro traders who want to express direct views on Fed decisions, CPI, GDP, and employment data without trading proxy assets. Crypto-native users comfortable with wallets, USDT, and on-chain interactions. Quantitative and algorithmic traders who want zero-fee maker orders and a CLOB with API access. DeFi-oriented users who value on-chain settlement and transparency. Anyone looking for a prediction market focused on economic fundamentals rather than sports.
Not ideal for:
US traders who want CFTC regulatory clarity and legal certainty (use Kalshi or Polymarket US). Sports traders (Opinion doesn't offer sports markets). Prediction market beginners who want to deposit dollars and start immediately (use Kalshi or Robinhood). Mobile-first traders (no app yet). Users uncomfortable with crypto wallets and on-chain interactions.
Final Verdict: 3.5 / 5
Opinion is doing something genuinely different in the prediction market space. While the industry races to capture sports betting volume, Opinion has built a focused, professional-grade macro prediction exchange with zero maker fees, AI-powered resolution, and on-chain settlement. The growth numbers are impressive — third-largest by open interest in under six months — and the YZi Labs/Jump Crypto backing provides credibility.
The 1.5-point gap versus Kalshi (4.3) and Polymarket (4.5) comes down to accessibility and maturity. Opinion requires crypto knowledge to use. It has no mobile app. It's not CFTC-regulated, which matters for US traders. The OPN token economy introduces incentive dynamics that make it harder to assess whether volume is organic or farming-driven. And at six months old, the platform simply hasn't been tested through the scenarios that reveal whether infrastructure is truly robust.
But for the specific audience it's targeting — macro-focused traders who are comfortable in crypto — Opinion offers something no other platform does. If you want to trade the next CPI release or FOMC decision as a pure prediction market contract with zero maker fees on an on-chain exchange, Opinion is currently the best (and arguably only) serious option.
Frequently Asked Questions (FAQ)
What is Opinion?
Opinion is a decentralized prediction market protocol focused on macroeconomic events. It lets users trade on outcomes like Fed rate decisions, CPI releases, and GDP data using on-chain settlement on BNB Chain. The platform uses AI oracles for market resolution and operates a central limit order book (CLOB).
Is Opinion available in the US?
Opinion isn't explicitly geo-blocked for US users, but it's not CFTC-regulated. This means it lacks the federal regulatory framework that platforms like Kalshi and Polymarket US operate under. US traders should consider the legal implications and may prefer CFTC-licensed alternatives.
How do I deposit money into Opinion?
You connect a crypto wallet (like MetaMask) and deposit USDT on BNB Chain or Ethereum. There's no option to deposit via bank transfer, debit card, or PayPal. You'll need to acquire USDT through a crypto exchange first.
What are Opinion's fees?
Maker orders (limit orders that rest on the book) are free. Taker orders (market orders that execute immediately) pay a dynamic fee between 0% and 2%, peaking at 50% probability. There's a $0.50 minimum fee per trade and a $5 minimum order. OPN token holders can earn additional fee discounts through the VIP staking program.
What is the OPN token?
OPN is Opinion's native utility and governance token. It's used to pay trading fees, access premium data, participate in governance votes, and unlock VIP tiers. The total supply is 1 billion tokens, with approximately 19.85% circulating at launch. OPN trades on Binance, Gate, OKX, and other exchanges.
How does Opinion resolve markets?
Opinion uses a multi-agent AI oracle system. After a market event occurs, AI models (including Gemini, OpenAI, and Claude) analyze predefined data sources and propose an outcome. This proposal is reviewed by a jury of additional AI agents and independent human reviewers before finalization. The process is designed to be transparent and resistant to single-point manipulation.
Does Opinion offer sports markets?
No. Opinion focuses on macroeconomic, crypto, political, and cultural prediction markets. If you're looking for sports prediction trading, Kalshi, Robinhood, or OG are better options.
Is Opinion the same as Polymarket?
No. Both are crypto-native prediction markets, but they differ significantly. Polymarket is broader (politics, sports, crypto, culture) and now offers a CFTC-regulated US platform. Opinion is focused on macroeconomic events, uses AI oracles for resolution, and operates exclusively on-chain without CFTC regulation. Opinion's maker-free fee model is also distinct from Polymarket's fee structure.
How does Opinion compare to Kalshi for macro trading?
Both platforms offer contracts on Fed decisions and economic data. Kalshi is CFTC-regulated, accepts USD deposits, and has a mobile app — making it more accessible for US traders. Opinion offers zero maker fees, on-chain transparency, and deeper macro-specific infrastructure, but requires crypto knowledge and lacks regulatory clarity in the US. Your choice depends on whether you prioritize accessibility (Kalshi) or fee structure and on-chain settlement (Opinion).
