Opinion.trade
Full integration with Opinion.trade, a BNB Chain prediction market with on-chain CLOB (Central Limit Order Book).
Quick Start
Set credentials
export OPINION_API_KEY="your-api-key" export OPINION_PRIVATE_KEY="0x..."
Search markets
/op markets trump
Get price
/op price 813
Place order
/op buy 813 YES 0.55 100
Commands
Market Data
Command Description
/op markets [query]
Search markets
/op market <id>
Get market details
/op price <id>
Current prices
/op book <tokenId>
Show orderbook
Trading
Command Description
/op buy <marketId> <outcome> <price> <size>
Place buy order
/op sell <marketId> <outcome> <price> <size>
Place sell order
/op cancel <orderId>
Cancel order
/op cancelall
Cancel all orders
/op orders
List open orders
Examples:
/op buy 813 YES 0.55 100 # Buy YES at 55c, 100 shares /op sell 813 NO 0.40 50 # Sell NO at 40c, 50 shares /op cancel abc123 # Cancel specific order
Account
Command Description
/op balance
Check USDT balance
/op positions
View open positions
Configuration
Required for market data
export OPINION_API_KEY="your-api-key"
Required for trading
export OPINION_PRIVATE_KEY="0x..." export OPINION_MULTISIG_ADDRESS="0x..." # Vault/funder address
Features
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BNB Chain - Fast, low-cost transactions
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On-chain CLOB - Fully decentralized orderbook
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Prediction Markets - Politics, crypto, sports, and more
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Real-time WebSocket - Live price updates
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EIP-712 Signing - Secure order authentication
Resources
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Opinion.trade App
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API Documentation