{"uid":"cap_oY4vE-Z4XZ6C7q0BEo2BZ","slug":"market-and-holiday-calendar-next-trading-day-calculator-73b8d059","name":"Market and Holiday Calendar – Next Trading Day Calculator","description":"The date N US trading days after (or before) a given date, skipping weekends and NYSE holidays, with the starting day's status.","url":"https://market-calendar.x402tookit.com/next-trading-day?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":["date"],"properties":{"date":{"type":"string","description":"Start date YYYY-MM-DD"},"days":{"type":"integer","description":"Trading days to move, -250 to 250 (default 1; negative goes back)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"days":{"type":["null","number"]},"start":{"type":["null","string"]},"result":{"type":["null","string"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"]},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"startHoliday":{},"startIsTradingDay":{"type":["boolean","null"]},"calendarDaysElapsed":{"type":["null","number"]}}}}}}},"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_h7NwAikVSEe0wCTZEouol","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 the US trading date that is N business days after or before a given date, skipping weekends and NYSE holidays, along with the start date's trading status.","exampleAgentPrompt":"What's the US trading day that falls 2 trading days after July 3rd 2025, skipping any NYSE holidays or weekends?","exampleUseCases":[{"title":"T+2 stock settlement date lookup","prompt":"I executed a trade on November 27th 2025 — what is the T+2 settlement date, accounting for NYSE holidays and weekends?"},{"title":"Options expiration buffer planning","prompt":"What trading date is 5 trading days before March 21st 2026, skipping weekends and NYSE holidays?"},{"title":"Post-holiday next open market day","prompt":"Christmas Day 2025 falls on a Thursday — what is the next trading day the US market is open after December 25th 2025?"}],"resultDescription":"Returns a JSON object with: the computed result trading date, the start date provided, the number of trading days moved, the number of calendar days elapsed, whether the start date itself is a trading day, the name of any holiday on the start date, a human-readable summary, and a source/disclaimer field.","failureModes":["Missing required 'date' query parameter returns an error","Date not in YYYY-MM-DD format causes a parse failure","Days value outside -250 to 250 range is rejected","Invalid date string (e.g. Feb 30) causes an error","Network timeout or service degradation may return a 'degraded' flag in response"],"whenToPreferThis":"Choose this endpoint when you need to calculate a specific future or past US trading date offset from a known start date — particularly for financial settlement (T+1, T+2, T+3), scheduling market-dependent events, or finding the next open trading day after a holiday. Prefer this over manual calendar math when NYSE holiday accuracy is required. Use sibling endpoints for counting trading days between two dates or checking if a specific date is a trading day.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T00:34:13.137Z","isFirstParty":false,"canonicalSlug":"market-and-holiday-calendar-next-trading-day-calculator-73b8d059"}