{"uid":"cap_VcB_x2pfAB8LCgcWo_xbA","slug":"api-myceliasignal-com-a3144a99","name":"Mycelia Signal BTC Options Greeks Oracle","description":"BTC options Greeks — cross-exchange consensus delta/gamma/theta/vega from 2130+ options across Deribit, OKX, Bybit — Ed25519 signed attestation","url":"https://api.myceliasignal.com/oracle/greeks/btc/usd","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{}}},"response":{"_bytes":262144,"_preview":"{\"currency\":\"BTC\",\"spot\":74594.68,\"total_instruments\":2374,\"exchanges\":{\"deribit\":{\"count\":950,\"source\":\"computed\"},\"okx\":{\"count\":788,\"source\":\"native\"},\"bybit\":{\"count\":636,\"source\":\"native\"}},\"summary\":{\"reference_expiry\":\"2026-05-31\",\"reference_dte\":1.1,\"spot\":74594.68,\"atm_strike\":74500.0,\"atm_iv\":20.1,\"atm_delta\":0.071764,\"atm_gamma\":0.00016531,\"atm_theta\":-49.1315,\"atm_vega\":1.8104,\"put_25d_iv\":16.39,\"put_25d_strike\":72750.0,\"call_25d_iv\":14.76,\"call_25d_strike\":73600.0,\"skew\":1.63},\"by_expiry\":[{\"expiry\":\"2026-05-30\",\"dte\":0.1,\"n_strikes\":80,\"strikes\":[{\"strike\":67000.0,\"type\":\"P\",\"exchanges\":{\"deribit\":{\"iv\":75.19,\"delta\":-0.0,\"gamma\":0.0,\"theta\":-0.0,\"vega\":0.0,\"oi\":18.8,\"greeks_source\":\"computed\"}},\"consensus\":{\"iv\":75.19,\"delta\":0.0,\"gamma\":0.0,\"theta\":0.0,\"vega\":0.0,\"exchange_count\":1}},{\"strike\":67000.0,\"type\":\"C\",\"exchanges\":{\"deribit\":{\"iv\":75.19,\"delta\":1.0,\"gamma\":0.0,\"theta\":-0.0,\"vega\":0.0,\"oi\":0.0,\"greeks_source\":\"computed\"}},\"consensus\":{\"iv\":75.19,\"delta\":1.0,\"gamma\":0.0,\"theta\":0.0,\"vega\":0.0,\"exchange_count\":1}},{\"strike\":68000.0,\"type\":\"C\",\"exchanges\":{\"deribit\":{\"iv\":68.5,\"delta\":1.0,\"gamma\":0.0,\"theta\":-0.0005,\"vega\":0.0,\"oi\":0.0,\"greeks_source\":\"computed\"},\"okx\":{\"iv\":47.55,\"delta\":1.0,\"gamma\":0.0,\"theta\":19.9148,\"vega\":0.0,\"oi\":0,\"greeks_source\":\"native\"},\"bybit\":{\"iv\":65.7,\"delta\":1.0,\"gamma\":1e-08,\"theta\":-0.0,\"vega\":0.0,\"oi\":0.02,\"greeks_source\":\"native\"}},\"consensus\":{\"iv\":60.58,\"delta\":1.0,\"gamma\":0.0,\"theta\":6.6381,\"vega\":0.0,\"exchange_count\":3}},{\"strike\":68000.0,\"type\":\"P\",\"exchanges\":{\"deribit\":{\"iv\":68.5,\"delta\":-0.0,\"gamma\":0.0,\"theta\":-0.0005,\"vega\":0.0,\"oi\":91.3,\"greeks_source\":\"computed\"},\"okx\":{\"iv\":47.55,\"delta\":-0.0,\"gamma\":0.0,\"theta\":-0.0,\"vega\":0.0,\"oi\":0,\"greeks_source\":\"native\"},\"bybit\":{\"iv\":65.7,\"delta\":-0.0,\"gamma\":1e-08,\"theta\":-0.0,\"vega\":0.0,\"oi\":38.31,\"greeks_source\":\"native\"}},\"consensus\":{\"iv\":60.58,\"delta\":0.0,\"gamma\":0.0,\"theta\":-0.0002,\"vega\":0.0,\"exchange_count\":3}},{\"strike\":69000.0,\"type\":\"P\",\"exchan","_truncated":true,"_contentType":"application/json; charset=utf-8"}},"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-uROpSHdEMwrSTxV0oOTd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns cross-exchange consensus delta, gamma, theta, and vega for BTC/USD options aggregated from 2130+ contracts across Deribit, OKX, and Bybit, with Ed25519 signed attestation","exampleAgentPrompt":"What are the current consensus delta, gamma, theta, and vega for BTC/USD options right now — aggregated across Deribit, OKX, and Bybit — with a cryptographic attestation I can verify?","exampleUseCases":null,"resultDescription":"Returns consensus Greeks (delta, gamma, theta, vega) for BTC/USD options computed across 2130+ contracts from Deribit, OKX, and Bybit, packaged with an Ed25519 signed attestation proving data integrity and provenance.","failureModes":["Payment not included or invalid — 402 response requiring x402 USDC payment","Exchange data unavailable — one or more source exchanges temporarily unreachable, possibly returning partial or degraded consensus","Rate limit exceeded — too many requests from the same agent","Invalid endpoint path — 404 if currency pair or asset is misspelled","Signature verification failure — client-side Ed25519 attestation check fails if data tampered in transit"],"whenToPreferThis":"Choose this endpoint when you need cryptographically verifiable, multi-exchange consensus BTC options Greeks (delta/gamma/theta/vega) — particularly when building on-chain protocols, DeFi hedging tools, or risk engines that require tamper-evident oracle data sourced from multiple venues rather than a single exchange. Prefer over single-exchange Greeks feeds when cross-exchange divergence detection and attestation are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:47:58.886Z","isFirstParty":false}