{"uid":"cap_yCCNP-lwjUJhYpZIsTOxK","slug":"crypto-historical-trend-realized-volatility-statistics-api-f4d8288a","name":"Crypto Historical Trend & Realized-Volatility Statistics API","description":"Historical crypto trend and realized-volatility statistics for BTC, ETH, BNB, SOL, XRP, DOGE, ADA, and LINK across 30-180 day lookbacks and 5m/15m/1h bars. Use for trend persistence, volatility, drawdown, and regime-context research before strategy selection or portfolio review. Returns returns, range, annualized volatility, max drawdown, OLS trend slope and R², methodology, and request metadata.","url":"https://base.46-225-15-169.sslip.io/v1/trend-volatility","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"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_T7ScnOEQIgSrv_4oBJF7X","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 historical trend persistence, realized volatility, drawdown, and regime statistics for major cryptocurrencies across configurable lookback windows and bar resolutions.","exampleAgentPrompt":"Pull the historical trend and realized-volatility stats for ETH using 1-hour bars over a 90-day lookback — I need the annualized volatility, max drawdown, OLS trend slope, and R² before I decide on my position sizing.","exampleUseCases":[{"title":"Pre-trade regime context for BTC","prompt":"Before I enter a BTC position, give me a 60-day historical volatility and trend persistence summary using 15-minute bars — I want annualized vol, max drawdown, and the OLS slope with R² so I can gauge if BTC has been trending cleanly."},{"title":"Portfolio review across altcoins","prompt":"I'm reviewing my altcoin portfolio — can you pull 180-day realized volatility and max drawdown stats for SOL, ADA, and LINK using hourly bars so I can compare their risk profiles side by side?"},{"title":"Strategy selection regime check for DOGE","prompt":"I'm trying to decide whether a trend-following or mean-reversion strategy makes more sense for DOGE right now — fetch the 90-day OLS trend slope, R², and annualized volatility using 5-minute bars to help me figure out the regime."}],"resultDescription":"A JSON response containing historical return statistics, price range, annualized realized volatility, maximum drawdown, OLS trend slope and R² goodness-of-fit, methodology description, and request metadata (symbol, lookback, bar resolution, timestamp).","failureModes":["Unsupported symbol returns a 400 or error payload","Lookback period outside 30-180 day range may return validation error","Unsupported bar resolution (not 5m/15m/1h) returns error","Insufficient historical data for requested lookback may return partial or error response","Service unavailable or upstream data feed outage returns 5xx","Payment not processed (x402) results in 402 response blocking data return"],"whenToPreferThis":"Use this endpoint when you need backward-looking, quantitative regime context — realized volatility, trend slope, drawdown — for one of the eight supported major cryptocurrencies before making strategy or portfolio decisions. Prefer this over real-time snapshot endpoints when you need statistical depth (OLS regression, R², annualized vol) over a configurable multi-day lookback rather than a current market snapshot.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:31:57.200Z","isFirstParty":false}