Polymarket

On Polymarket's 'best AI model (end of October)' contract, Meta has only 1%, Google leads with 69%, and Anthropic holds 28%.

Polymarket is a decentralized prediction market built on the Polygon blockchain, where users use the USDC stablecoin to buy shares of event outcomes, with prices between 0 and 1 US dollar directly corresponding to the market-implied probability.

Polymarket's 'best model' contract has liquidity as high as 1.6 million US dollars, making it the most closely watched AI leaderboard contract.

In Polymarket's 'agent' contract, Anthropic reached as high as 93%, OpenAI 4%, Google 3%.

In October 2026, in Polymarket's 'best model' contract, Google led Anthropic 71% to 26%; in the year-end contract, Google 42%, Anthropic 42%, OpenAI 9%.

The Polymarket market channel is subscribed to via asset IDs (also known as token IDs), and each outcome has its own independent token ID.

Polymarket provides a public market WebSocket channel with the endpoint wss://ws-subscriptions-clob.polymarket.com/ws/market for pushing real-time order book and trade updates.

Polymarket is a blockchain-based prediction market platform running on the Polygon network.

In Polymarket, share prices fluctuate between $0 and $1, representing the implied probability of that outcome occurring.

Each outcome in a Polymarket market corresponds to an independent ERC-1155 token (token ID).

Polymarket's order matching is handled by an off-chain matching engine called the CLOB (Central Limit Order Book), with settlement to the chain occurring only after a trade is executed.

When subscribing to the Polymarket market channel, the CLOB-level token ID must be used rather than the contract address.

Production-grade implementations should correctly apply price level updates, validate messages, track data timestamps, and test against the current protocol using official documentation.

Polymarket operates on a blockchain (the Polygon network), while Kalshi is a compliant exchange regulated by the U.S. CFTC.

The Last 30 Days skill retrieves across sources such as YouTube subtitles, Reddit, and Polymarket, then scores, filters, and synthesizes a concise report without relying on ordinary web search.

The product Polymind is an AI market analyzer targeting traders on prediction market platforms such as Kalshi and Polymarket.

Nina supports analysis across two markets—cryptocurrency and U.S. equities—and in the crypto space provides market intelligence, Smart Money tracking, price predictions, and Polymarket prediction market integration.

During the 2024 U.S. election, Polymarket's prediction data was widely cited by mainstream media outlets including Bloomberg and The Economist.

Polymarket is built on Polygon, an Ethereum Layer 2 network, and users trade using USDC.

During the 2024 U.S. presidential election, the total trading volume on crypto prediction markets such as Polymarket exceeded $3.5 billion, and their prediction results were widely cited by mainstream media.