{"uid":"cap_ZPZD5k2Kw45ZX89m6Zkuk","slug":"saylor-innovations-options-gamma-exposure-gex-02883112","name":"Saylor Innovations Options Gamma Exposure (GEX)","description":"BTC and ETH net gamma exposure (GEX) from open interest - total, call/put split and top strikes","url":"https://saylorinnovations.com/api/options/gex?utm_source=zero.xyz","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","required":["asset"],"properties":{"asset":{"type":"string","description":"btc | eth (query)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["found"],"properties":{"asset":{"type":["string","null"],"description":"Asset the figures refer to"},"found":{"type":"boolean","description":"True when the lookup matched a record"},"regime":{"type":["string","null"]},"source":{"type":["string","null"],"description":"Data source the values come from"},"convention":{"type":["string","null"]},"net_gex_usd":{"type":["number","null"],"description":"Net gex, in US dollars"},"put_gamma_usd":{"type":["number","null"],"description":"Put gamma, in US dollars"},"call_gamma_usd":{"type":["number","null"],"description":"Call gamma, in US dollars"},"underlying_price":{"type":["number","null"],"description":"Price of the underlying asset"},"top_strikes_by_gamma":{"type":"array","items":{"type":"object"},"description":"Top strikes by gamma"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Oh2TWBkQiwJfaj7JlZ_rN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns net gamma exposure (GEX) for BTC or ETH options, including total GEX, call/put split, and top strikes by gamma derived from real open interest data.","exampleAgentPrompt":"What's the current net gamma exposure for BTC options — give me the total GEX in USD, the call/put split, and the top strikes by gamma.","exampleUseCases":[{"title":"Pre-trade BTC options gamma check","prompt":"Before I place my bitcoin options trade, can you pull the current net GEX for BTC and tell me whether the market is net long or short gamma, and which strikes have the most gamma concentration?"},{"title":"ETH market maker gamma monitoring","prompt":"Show me the ethereum options gamma exposure right now — I want to see the total net GEX in USD plus the breakdown between calls and puts."},{"title":"Crypto derivatives dashboard refresh","prompt":"Refresh the gamma exposure data for both BTC and ETH — I need the top strikes by gamma and net GEX numbers for my derivatives dashboard."}],"resultDescription":"Returns a JSON object with a 'found' boolean, 'net_gex_usd' (the total net gamma exposure in USD, or null if unavailable), a call/put gamma split, and an array of top strikes ranked by gamma exposure derived from real open interest data. This is a heuristic estimate, not a precisely measured fact.","failureModes":["Invalid or unsupported asset symbol returns an error or found:false","Data may be stale or unavailable if underlying open interest feeds are down, returning null for net_gex_usd","No query params defaults to a specific asset or may return an error depending on server behavior","Payment failure (402) blocks the request if x402 micropayment is not properly handled"],"whenToPreferThis":"Use this endpoint when you need a quick heuristic snapshot of options gamma exposure for BTC or ETH, including net GEX in USD and top strikes by gamma, without requiring access to a full derivatives data platform. Prefer this over raw exchange APIs when you want a pre-aggregated, call/put split view at low cost per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T06:52:14.754Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-options-gamma-exposure-gex-02883112"}