> ## 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.

# Get auction history (GEX time series)

> Get downsampled GEX auction history with summary statistics.



## OpenAPI

````yaml /api/openapi.json get /api/graph/v1/regime/{symbol}/auction-history
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/regime/{symbol}/auction-history:
    get:
      tags:
        - Market Microstructure
      summary: Get auction history (GEX time series)
      description: Get downsampled GEX auction history with summary statistics.
      operationId: get_auction_history_api_graph_v1_regime__symbol__auction_history_get
      parameters:
        - name: symbol
          in: path
          required: true
          schema:
            type: string
            title: Symbol
        - name: hours
          in: query
          required: false
          schema:
            type: integer
            maximum: 168
            minimum: 1
            default: 72
            title: Hours
        - name: resolution
          in: query
          required: false
          schema:
            type: string
            pattern: ^(1min|5min|15min|1h)$
            default: 5min
            title: Resolution
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AuctionHistoryResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    AuctionHistoryResponse:
      properties:
        symbol:
          type: string
          title: Symbol
        hours:
          type: integer
          title: Hours
        resolution:
          type: string
          title: Resolution
        points:
          items:
            $ref: '#/components/schemas/AuctionHistoryPoint'
          type: array
          title: Points
        summary:
          $ref: '#/components/schemas/AuctionHistorySummary'
      type: object
      required:
        - symbol
        - hours
        - resolution
        - points
        - summary
      title: AuctionHistoryResponse
      description: Auction history with downsampled time series and summary.
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    AuctionHistoryPoint:
      properties:
        time:
          type: string
          format: date-time
          title: Time
        spot_price:
          type: number
          title: Spot Price
        total_gex:
          type: number
          title: Total Gex
        gex_regime:
          type: string
          title: Gex Regime
        net_vanna:
          anyOf:
            - type: number
            - type: 'null'
          title: Net Vanna
        net_charm:
          anyOf:
            - type: number
            - type: 'null'
          title: Net Charm
        gamma_flip_strike:
          anyOf:
            - type: number
            - type: 'null'
          title: Gamma Flip Strike
        gex_proximity:
          anyOf:
            - type: number
            - type: 'null'
          title: Gex Proximity
      type: object
      required:
        - time
        - spot_price
        - total_gex
        - gex_regime
      title: AuctionHistoryPoint
      description: Single point in the auction history time series.
    AuctionHistorySummary:
      properties:
        regime_transitions:
          type: integer
          title: Regime Transitions
        avg_gex:
          type: number
          title: Avg Gex
        dominant_regime:
          type: string
          title: Dominant Regime
        flip_strike_range:
          anyOf:
            - prefixItems:
                - type: number
                - type: number
              type: array
              maxItems: 2
              minItems: 2
            - type: 'null'
          title: Flip Strike Range
      type: object
      required:
        - regime_transitions
        - avg_gex
        - dominant_regime
      title: AuctionHistorySummary
      description: Summary statistics for an auction history window.
    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

````