> ## Documentation Index > Fetch the complete documentation index at: https://docs.sequency.sh/llms.txt > Use this file to discover all available pages before exploring further. # AI chart analysis: deterministic pattern geometry + LLM narrative ## OpenAPI ````yaml /api/openapi.json post /api/graph/v1/chart/{symbol}/analyze openapi: 3.1.0 info: title: Sequency Graph API description: > # Sequency Graph-Native Trading API Graph-native API for trading intelligence, built on FalkorDB. ## Features - **Screener**: Filter stocks using graph-native queries with relationship expansion - **Stock Detail**: Complete stock context with all relationships - **Confluence Scoring**: Setup quality assessment with weighted components - **Strategy Matching**: Find matching options strategies via graph traversal - **Market Context**: Current market-wide context for trading decisions ## Data Sources All data is sourced from the FalkorDB knowledge graph, populated by: - Pattern detector (Go) - Technical indicators, patterns - Graph sync service - Levels, volume profiles, news, day classification version: 1.0.0 servers: [] security: [] paths: /api/graph/v1/chart/{symbol}/analyze: post: tags: - Chart Analysis summary: 'AI chart analysis: deterministic pattern geometry + LLM narrative' operationId: analyze_chart_api_graph_v1_chart__symbol__analyze_post parameters: - name: symbol in: path required: true schema: type: string title: Symbol requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/ChartAnalysisRequest' responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/ChartAnalysisResponse' '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' components: schemas: ChartAnalysisRequest: properties: interval: type: string enum: - 1m - 2m - 5m - 15m - 30m - 1h - 1d title: Interval description: Candle interval of the supplied bars period: type: string enum: - 1d - 5d - 1m - 3m - 6m - 1y - 5y title: Period description: Chart period of the supplied bars candles: items: $ref: '#/components/schemas/CandleIn' type: array maxItems: 1500 minItems: 20 title: Candles description: OHLCV bars in chart order (oldest first), warmup excluded type: object required: - interval - period - candles title: ChartAnalysisRequest description: Analyze the candles currently rendered on the client's chart. ChartAnalysisResponse: properties: symbol: type: string title: Symbol interval: type: string enum: - 1m - 2m - 5m - 15m - 30m - 1h - 1d title: Interval period: type: string enum: - 1d - 5d - 1m - 3m - 6m - 1y - 5y title: Period pattern: anyOf: - type: string - type: 'null' title: Pattern description: Detected pattern label bias: anyOf: - type: string enum: - bullish - bearish - neutral - type: 'null' title: Bias note: anyOf: - type: string - type: 'null' title: Note description: LLM narrative (None if unavailable) resistance: anyOf: - type: number - type: 'null' title: Resistance description: Resistance trendline at last bar support: anyOf: - type: number - type: 'null' title: Support description: Support trendline at last bar target: anyOf: - type: number - type: 'null' title: Target description: Breakout target (res + 0.32*range) invalidation: anyOf: - type: number - type: 'null' title: Invalidation description: Invalidation (sup - 0.12*range) trendlines: anyOf: - $ref: '#/components/schemas/TrendlinesOut' - type: 'null' provider: anyOf: - type: string - type: 'null' title: Provider model: anyOf: - type: string - type: 'null' title: Model cached: type: boolean title: Cached default: false error: anyOf: - type: string - type: 'null' title: Error type: object required: - symbol - interval - period title: ChartAnalysisResponse description: Deterministic geometry + LLM narrative. Levels never come from the LLM. HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' type: array title: Detail type: object title: HTTPValidationError CandleIn: properties: t: type: string title: T description: Bar time (ISO 8601, as rendered on the chart) o: type: number maximum: 1000000000000 minimum: -1000000000000 title: O description: Open h: type: number maximum: 1000000000000 minimum: -1000000000000 title: H description: High l: type: number maximum: 1000000000000 minimum: -1000000000000 title: L description: Low c: type: number maximum: 1000000000000 minimum: -1000000000000 title: C description: Close v: type: number maximum: 1000000000000000 minimum: 0 title: V description: Volume type: object required: - t - o - h - l - c - v title: CandleIn description: >- A client-sent OHLCV candle (the exact bars the user is looking at). ``allow_inf_nan=False``: JSON ``NaN``/``Infinity`` literals are accepted by pydantic's default float parsing, but a non-finite value poisons the geometry (support/resistance/target become NaN/inf) and then crashes strict JSON response serialization with a 500. Reject at validation → 422. TrendlinesOut: properties: support: $ref: '#/components/schemas/TrendlineOut' resistance: $ref: '#/components/schemas/TrendlineOut' type: object required: - support - resistance title: TrendlinesOut ValidationError: properties: loc: items: anyOf: - type: string - type: integer type: array title: Location msg: type: string title: Message type: type: string title: Error Type input: title: Input ctx: type: object title: Context type: object required: - loc - msg - type title: ValidationError TrendlineOut: properties: from: $ref: '#/components/schemas/PointOut' description: Endpoint at the first candle to: $ref: '#/components/schemas/PointOut' description: Endpoint at the last candle type: object required: - from - to title: TrendlineOut description: A two-point trendline segment (first candle → last candle). PointOut: properties: t: type: string title: T description: Candle time (ISO 8601) price: type: number title: Price description: Trendline price at this candle type: object required: - t - price title: PointOut description: A trendline endpoint the frontend plots directly. ````