> ## Documentation Index
> Fetch the complete documentation index at: https://docs.codex.io/llms.txt
> Use this file to discover all available pages before exploring further.

# PredictionOutcomeIndex

> The index of an outcome within a prediction market.

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  ## GraphQL

  ```
  enum PredictionOutcomeIndex {
    outcome0
    outcome1
  }
  ```

  ### Used By

  **Used as input by**

  * [eventScopedFilterPredictionMarkets](/api-reference/queries/eventscopedfilterpredictionmarkets.md): Filters prediction markets within a single event and returns structured classification metadata for each market. Use this instead of `filterPredictionMarkets` when you need entrant/segment/ladder details (country codes, period+stat grouping, parsed numeric/date rungs) without re-parsing labels client-side.
  * [filterPredictionMarkets](/api-reference/queries/filterpredictionmarkets.md): Filters prediction markets using optional text, IDs, event constraints, and ranking criteria.
  * [predictionEventTopMarketsBars](/api-reference/queries/predictioneventtopmarketsbars.md): Returns bar data for top markets inside a prediction event.
</div>