How it works
You pick a price you’d buy or sell at. A market maker pays you a premium upfront. Your capital is locked until expiry. If the price stays on your side, you get everything back plus the premium. If not, you buy or sell at the price you chose. Either way, you keep the premium.How It Works
4-step walkthrough of the earn flow.
Options 101
Puts, calls, strikes, premium. Plain English.
Strategies
The Wheel, income generation, buying the dip.
FAQ
Common questions answered.
For developers
Build agents and integrations on b1nary. Public API, signed quotes, on-chain execution.API Reference
Endpoints, parameters, response formats.
Integration Guide
Full Python example: faucet to execution.
For market makers
Provide liquidity, earn the spread. EIP-712 signed quotes, delta hedging, WebSocket fills.Market Making Guide
Everything you need to start quoting on b1nary.
Key facts
| Chain | Base (mainnet) / Base Sepolia (testnet) |
| Assets | ETH, cbBTC |
| Expiry | Weekly, 08:00 UTC |
| Settlement | Physical delivery (Aave flash loan + Uniswap) |
| Collateral | Fully collateralized. No margin, no liquidations. |
| Protocol fee | 4% of premium |