{"uid":"cap_i1ejwJQ7yQjC1f5ch7y0j","slug":"signalharness-market-volatility-analysis-61d870d9","name":"SignalHarness Market Volatility Analysis","description":"Explore 330 pay-per-call x402 API services and 27 agent-native digital products, with Base USDC pricing, secure Polar checkout, and free discovery.","url":"https://signalharness.ai/api/agent/services/market_volatility/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"market_volatility_request":{"type":"string","maxLength":65536,"minLength":2}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"warnings":["Volatility depends on supplied sampling and is not predictive."],"service_id":"market_volatility","evidence_scope":"caller_supplied_data","market_volatility":"{\"annualization_factor\":365,\"mean\":\"0.023333333333333334\",\"sample\":true,\"variance\":\"0.005633333333333334\",\"volatility\":\"1.433933982673772478\"}"},"status":"succeeded","receipt":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","usage":[],"status":"succeeded","network":"eip155:8453","artifacts":[],"endedAtMs":0,"latencyMs":0,"paymentId":"example-payment","receiptId":"example-receipt","requestId":"example-request","serviceId":"market_volatility","executionId":"example-execution","startedAtMs":0,"amountAtomic":"10000","resultSha256":"c4d1fef7379538ad74a8520a430e35d5d5e844b14c77da8b0618e945f3180afe","serviceVersion":"1.0.0","settlementReference":"0x0000000000000000000000000000000000000000000000000000000000000000"},"artifacts":[],"requestId":"example-request","executionId":"example-execution"}},"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_8Jgz9hB5wb6NxdyLP5aHW","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":"Analyzes caller-supplied market data or queries to assess and return a market volatility signal or assessment.","exampleAgentPrompt":"Can you assess market volatility based on this scenario: Bitcoin has dropped 12% in the last 24 hours with high trading volume and significant fear index readings — is the market considered highly volatile right now?","exampleUseCases":[{"title":"Crypto market volatility check","prompt":"Based on this situation — ETH is swinging 8% daily, derivatives open interest is surging, and sentiment is extremely fearful — can you give me a volatility assessment for the current crypto market?"},{"title":"Pre-trade risk assessment","prompt":"Before I execute this large equity position, can you analyze whether the market is in a high-volatility regime given that the VIX just spiked to 35 and there's a Fed announcement tomorrow?"},{"title":"Portfolio rebalancing decision support","prompt":"I'm trying to decide whether to rebalance my portfolio today. Can you assess market volatility given that tech stocks have been swinging 5-7% daily and macro uncertainty is elevated?"}],"resultDescription":"Returns a market_volatility field containing the volatility assessment or signal, along with any warnings about data quality or scope limitations, an evidence_scope indicating the assessment is based on caller-supplied data, and a full receipt with payment confirmation, execution IDs, latency, and a result hash for verification.","failureModes":["Empty or too-short input string (below 2 chars) causes validation failure","Input exceeds 65536 character limit causing rejection","Malformed JSON request body returns error","Payment failure via x402 protocol results in 402 response and no computation","Ambiguous or nonsensical market description may produce low-confidence or warned output"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call volatility signal derived from a natural language or structured description of market conditions, and you are operating in an agent-native, x402-payment-capable environment. Prefer this over traditional financial data APIs when you don't have access to real-time market feeds but can describe market conditions in text, or when you need a lightweight volatility judgment rather than full quantitative modeling.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:45:37.496Z","isFirstParty":false}