{"uid":"cap_fUsP9HHnW8Ybcnin5e0dp","slug":"japan-business-day-api-nikkei-225-sq-day-lookup-93276732","name":"Japan Business Day API – Nikkei 225 SQ Day Lookup","description":"Nikkei 225 futures/options SQ (special quotation) day for a contract month: 2nd Friday, moved earlier if a non-trading day, plus the last trading day.","url":"https://japan-business-day-api.matchan962.workers.dev/v1/jpx/sq?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"],"type":"string"},"queryParams":{"type":"object","required":["month"],"properties":{"month":{"type":"string","description":"YYYY-MM"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_OkZwChu6nXUep0O7EM_46","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":"Returns the Special Quotation (SQ) day and last trading day for Nikkei 225 futures/options for a given contract month (YYYY-MM).","exampleAgentPrompt":"What's the SQ day and last trading day for Nikkei 225 futures and options for the 2025-06 contract month?","exampleUseCases":[{"title":"Options expiry calendar planning","prompt":"Can you tell me the Nikkei 225 SQ date and last trading day for the September 2025 contract month? I need to plan my options position roll-off."},{"title":"Futures settlement date check","prompt":"When exactly does the Nikkei 225 futures contract settle in December 2025? Give me the SQ day so I know when to close out."},{"title":"Automated derivatives risk alert","prompt":"What is the SQ date for Nikkei 225 options in 2025-08? I want to set an alert a few days before so I can manage my open positions."}],"resultDescription":"Returns the SQ (Special Quotation) date for the Nikkei 225 futures/options contract — the 2nd Friday of the contract month (moved earlier if that day is a non-trading day) — plus the last trading day (the day before SQ), for the requested contract month.","failureModes":["Missing or malformed 'month' query parameter (e.g. not in YYYY-MM format) returns a validation error","Requesting a month outside the supported range may return an empty or error response","Non-trading calendar data may be stale if the upstream holiday source is not updated","Payment failure or x402 authentication issue may block the response"],"whenToPreferThis":"Use this endpoint when you need the precise SQ or expiry date for Nikkei 225 futures or options on the JPX/Osaka Exchange for a specific contract month. It handles the rule of moving the 2nd Friday SQ earlier when it falls on a non-trading day, which is complex to calculate manually. Prefer this over generic calendar tools when you need Japan derivatives-specific settlement dates.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T06:32:08.089Z","isFirstParty":false,"canonicalSlug":"japan-business-day-api-nikkei-225-sq-day-lookup-93276732"}