> ## 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.

# OnPredictionMarketBarsUpdatedResponse

> Payload for `onPredictionMarketBarsUpdated`.

<div data-generated>
  ## GraphQL

  ```
  type OnPredictionMarketBarsUpdatedResponse {
    marketId: String!
    bars: PredictionMarketResolutionBarData!
  }

  type PredictionMarketBarOhlc {
    o: String!
    h: String!
    l: String!
    c: String!
  }

  type PredictionOutcomeBar {
    venueOutcomeId: String!
    trades: Int
    buys: Int
    sells: Int
    volumeShares: String
    buyVolumeShares: String
    sellVolumeShares: String
    volumeUsd: String
    buyVolumeUsd: String
    sellVolumeUsd: String
    volumeCollateralToken: String
    buyVolumeCollateralToken: String
    sellVolumeCollateralToken: String
    priceUsd: PredictionMarketBarOhlc
    priceCollateralToken: PredictionMarketBarOhlc
    liquidityUsd: PredictionMarketBarOhlc
    liquidityCollateralToken: PredictionMarketBarOhlc
    bidUsd: PredictionMarketBarOhlc
    bidCollateralToken: PredictionMarketBarOhlc
    askUsd: PredictionMarketBarOhlc
    askCollateralToken: PredictionMarketBarOhlc
    twoPercentBidDepthUsd: PredictionMarketBarOhlc
    twoPercentBidDepthCollateralToken: PredictionMarketBarOhlc
    twoPercentAskDepthUsd: PredictionMarketBarOhlc
    twoPercentAskDepthCollateralToken: PredictionMarketBarOhlc
  }

  type PredictionMarketBar {
    t: Int!
    volumeUsd: String
    volumeCollateralToken: String
    volumeShares: String
    uniqueTraders: Int
    lastEventTimestamp: Int
    trades: Int
    allTimeVolumeUsd: String
    allTimeVenueVolumeUsd: String
    allTimeVolumeCollateralToken: String
    allTimeVenueVolumeCollateralToken: String
    openInterestUsd: PredictionMarketBarOhlc
    outcome0: PredictionOutcomeBar
    outcome1: PredictionOutcomeBar
  }

  type PredictionMarketResolutionBarData {
    min1: PredictionMarketBar
    min5: PredictionMarketBar
    min15: PredictionMarketBar
    min30: PredictionMarketBar
    hour1: PredictionMarketBar
    hour4: PredictionMarketBar
    hour12: PredictionMarketBar
    day1: PredictionMarketBar
    week1: PredictionMarketBar
  }
  ```

  ### Used By

  **Returned by**

  * [onPredictionMarketBarsUpdated](/api-reference/subscriptions/onpredictionmarketbarsupdated.md): Live-streamed bar chart data to track price changes over time for a prediction market.
</div>