{"uid":"cap_9HFYRsCRZbvlpjbqYgLZZ","slug":"xynaptic-crypto-correlation-130bf9b5","name":"Xynaptic Crypto Correlation","description":"Xynaptic Crypto Correlation — Pearson correlation matrix of daily returns for 2-5 coins over 90 days: the honest diversification check. GET ?coins=bitcoin,ethereum,solana.","url":"https://api.xynaptic.io/v1/crypto-correlation?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YSb62wjEVZK4MvOE-Ck6k","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a Pearson correlation matrix of daily returns for 2–5 cryptocurrencies over a 90-day window to assess portfolio diversification.","exampleAgentPrompt":"Can you run a 90-day Pearson correlation check on bitcoin, ethereum, and solana so I can see how much they move together and whether they actually diversify my portfolio?","exampleUseCases":[{"title":"Portfolio diversification sanity check","prompt":"I'm holding bitcoin, ethereum, and cardano — can you pull the 90-day correlation matrix so I can see if any of them are actually diversifying my risk?"},{"title":"Evaluating a new coin addition","prompt":"I'm thinking of adding solana to my BTC and ETH portfolio — can you check the correlation between all three over the past 90 days to see if solana actually adds diversification?"},{"title":"Identifying uncorrelated crypto pairs","prompt":"Which of these five coins — bitcoin, ethereum, solana, avalanche, and polkadot — are least correlated with each other? Run the Pearson correlation matrix on all of them."}],"resultDescription":"A Pearson correlation matrix where each cell contains the correlation coefficient (ranging from -1 to +1) between the daily returns of two specified coins over a 90-day lookback period. Values near 1 indicate coins moving together; values near 0 or negative indicate low or inverse co-movement, useful for diversification decisions.","failureModes":["Fewer than 2 or more than 5 coins specified — request rejected","Unrecognized coin identifier (e.g. misspelled ticker or unsupported asset) — error returned","Insufficient historical data for a newly listed coin — partial or error response","Payment failure or missing x402 payment header — 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need a quantitative, statistics-based diversification check for a specific set of 2–5 cryptocurrencies using a standardized 90-day Pearson correlation methodology. Prefer it over generic price APIs when your goal is understanding co-movement and portfolio risk, not just fetching prices.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T18:47:53.785Z","isFirstParty":false,"canonicalSlug":"xynaptic-crypto-correlation-130bf9b5"}