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Recurring series (5-minute, hourly, daily crypto, etc.) each expose a stable slug. The stable slug always points at the currently active slot instead of a specific dated slug. Use this endpoint to link to or fetch “the current BTC hourly market” without knowing which slot is open. The path parameter is slug (not stableSlug). Pass the stable identifier, for example btc-hourly-price.
  • 200 — resolved market or ladder group data (single market or group).
  • 404 — no market or group is currently active for that stable slug.
To pre-fetch upcoming slots for the same series, use Market Timeline.