{"name": "Sharemaestro Advance / Decline API", "description": "Exchange-level market internals covering advance/decline breadth, trend participation, fair-value breadth, market dynamics, reversal pressure, sector participation, and public chart series.", "cadence": "Weekly, scheduled Sunday 17:55 Europe/London.", "endpoints": {"index": "https://sharemaestro.com/advance-decline/api/", "exchanges": "https://sharemaestro.com/advance-decline/api/exchanges/", "exchange_detail": "https://sharemaestro.com/advance-decline/api/exchanges/%7Bsymbol%7D/"}, "coverage": {"supported_exchanges": 37, "built_exchanges": 37, "minimum_universe_size": 25, "asset_type": "Equities"}, "terms": {"breadth_quality": "A public 0-100 read on broad, internally confirmed participation.", "reversal_pressure": "A public 0-100 risk-pressure read; lower is healthier.", "exchange_earnings_multiple": "A public valuation lens built from available constituent earnings-yield snapshots.", "sector_participation": "How broadly sector groups are participating in the latest exchange state."}, "boundaries": ["Research outputs and chart-ready series are public.", "Proprietary weighting, model internals, and calculation details are not exposed.", "Educational and research use only; not investment advice."]}