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Japan Business Day API – Nikkei 225 SQ Day Lookup
x402
Japan Business Day API – Nikkei 225 SQ Day Lookup is a paid API for AI agents from japan-business-day-api.matchan962.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-13).
Returns the Special Quotation (SQ) day and last trading day for Nikkei 225 futures/options for a given contract month (YYYY-MM).
Price / call$0.01
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
Options expiry calendar planning
“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.”
Futures settlement date check
“When exactly does the Nikkei 225 futures contract settle in December 2025? Give me the SQ day so I know when to close out.”
Automated derivatives risk alert
“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.”
Technical details
Endpoint
GEThttps://japan-business-day-api.matchan962.workers.dev/v1/jpx/sq?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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