{"uid":"cap_Qx4qGRIyY6puLKXCEstq8","slug":"carbon-cashmere-garch-volatility-forecast-api-btc-76fd215b","name":"Carbon & Cashmere GARCH Volatility Forecast API – BTC","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/garch/BTC","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"_meta":{"disclaimer":"Informational research data only — not investment advice."},"symbol":"BTC","forecast":{"1d":0.41,"7d":0.43,"30d":0.45},"parameters":{"omega":0.001,"beta_1":0.89,"alpha_1":0.08,"persistence_alpha_plus_beta":0.97},"half_life_days":4.2,"conditional_vol_now_annualized":0.42}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_M8qauFP8Bqiyk_qFJ7owq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns GARCH(1,1) volatility forecast for Bitcoin including annualized conditional volatility, persistence parameters, and multi-horizon forecasts (1d/7d/30d).","exampleAgentPrompt":"What's the current GARCH volatility forecast for Bitcoin — give me the annualized conditional vol, how persistent the volatility is, and the 1-day, 7-day, and 30-day forecasts.","exampleUseCases":[{"title":"Bitcoin options pricing volatility input","prompt":"I'm pricing some Bitcoin options and need a model-driven volatility estimate — pull the current GARCH annualized conditional vol and the 30-day forward forecast so I can use it as my vol input."},{"title":"Detect Bitcoin volatility regime shift","prompt":"Is Bitcoin in a high-persistence volatility regime right now? Give me the GARCH alpha and beta parameters and the half-life so I can tell whether the current vol is likely to stick around or mean-revert quickly."},{"title":"BTC risk management weekly review","prompt":"For my weekly crypto risk review, give me Bitcoin's current annualized conditional volatility and the 1-day, 7-day, and 30-day GARCH forecasts so I can assess whether to adjust my position sizing."}],"resultDescription":"A JSON object containing: GARCH(1,1) model parameters (omega, alpha_1, beta_1), persistence (alpha+beta), annualized conditional volatility now (~42%), multi-horizon volatility forecasts for 1d/7d/30d, and the volatility half-life in days. Includes an informational disclaimer.","failureModes":["Invalid symbol path returns 404 or error","Stale underlying data may reduce forecast accuracy","Service unavailable (5xx) during maintenance windows","Payment not processed / x402 payment required (402)"],"whenToPreferThis":"Use this endpoint when you need a quantitative, model-driven volatility estimate for Bitcoin specifically — particularly for risk management, options pricing context, or regime detection where GARCH persistence and half-life matter. Prefer over simple realized-vol lookups when you need forward-looking multi-horizon forecasts and model parameters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:47:44.339Z","isFirstParty":false}