{"uid":"cap_VYcZnK9-3jHa7ynEv0BqI","slug":"carbon-cashmere-rolling-correlation-api-64f40fc1","name":"Carbon & Cashmere Rolling Correlation API","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/rolling-correlation/%7Bpair%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"base":"BTC","pair":"BTC-ETH","_meta":{"disclaimer":"Informational research data only — not investment advice."},"quote":"ETH","trend":"stable","regime":"strongly_positive","statistics":{"std_over_lookback":0.08,"current_percentile":0.68,"mean_over_lookback":0.78},"data_points":540,"window_days":30,"lookback_days":90,"current_correlation":0.82}},"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_dhiCy1sSKxij7su6lhNJx","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 rolling correlation statistics between two crypto assets over a configurable lookback window, including current correlation, percentile rank, trend, and market regime classification.","exampleAgentPrompt":"What's the current rolling correlation between BTC and ETH — is it in a strongly positive regime right now, and where does today's reading sit relative to the past 90 days?","exampleUseCases":[{"title":"Pairs trading correlation regime check","prompt":"I'm considering a pairs trade between SOL and AVAX — can you pull the rolling correlation stats for them over the last 30 days and tell me what regime we're in and whether the correlation is trending up or down?"},{"title":"Portfolio hedging co-movement analysis","prompt":"I hold a big BTC position and I'm thinking about adding ETH as a partial hedge — what's the current correlation between them, what percentile is today's reading in over the past 60 days, and is the relationship stable or drifting?"},{"title":"Mean reversion crypto pair screening","prompt":"I want to know if BTC and SOL are moving in lockstep right now or if they're diverging — what's the current Pearson correlation, where does it rank historically, and would you classify this as a good setup for mean reversion trading?"}],"resultDescription":"A JSON object containing the base and quote assets, current Pearson correlation coefficient, correlation trend (e.g. stable/rising/falling), regime classification (e.g. strongly_positive), percentile rank within the lookback window, mean and standard deviation over the lookback, number of data points, and window/lookback durations in days.","failureModes":["Invalid or unsupported pair format returns an error or empty response","Pair with insufficient historical data may return limited statistics","Malformed path parameter causes a 400 or 404 response","Payment not included or insufficient triggers x402 payment-required response","Rate limiting or service unavailability returns 429 or 503"],"whenToPreferThis":"Use this endpoint when you need quantitative rolling correlation statistics between two specific crypto assets, including regime classification and percentile context — particularly useful for pairs trading, portfolio hedging, and co-movement analysis. Prefer this over raw price endpoints when the relationship between two assets matters more than their individual prices.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:40:41.227Z","isFirstParty":false}