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{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"title": "OverlayFeatureRecord",
"type": "object",
"required": [
"symbol",
"as_of_ts",
"overlay_score",
"overlay_confidence",
"source_presence_mask",
"feature_version"
],
"properties": {
"symbol": {"type": "string"},
"as_of_ts": {"type": "string", "format": "date-time"},
"headline_burst_z": {"type": ["number", "null"]},
"youtube_influence_z": {"type": ["number", "null"]},
"wiki_attention_z": {"type": ["number", "null"]},
"theme_heat_z": {"type": ["number", "null"]},
"crowding_stress_z": {"type": ["number", "null"]},
"overlay_score": {"type": "number", "minimum": 0, "maximum": 1},
"overlay_confidence": {"type": "number", "minimum": 0, "maximum": 1},
"source_presence_mask": {
"type": "object",
"properties": {
"yahoo": {"type": "boolean"},
"youtube": {"type": "boolean"},
"wikimedia": {"type": "boolean"},
"google_trends": {"type": "boolean"},
"finra": {"type": "boolean"}
},
"additionalProperties": false
},
"hold_extension_hint": {"type": ["string", "null"], "enum": ["extend", "neutral", "trim", null]},
"add_on_eligibility": {"type": ["boolean", "null"]},
"feature_version": {"type": "string"}
},
"additionalProperties": false
}