PredictionOutcomeOrderBook

outcomeId

String!

The composite outcome ID.

protocol

PredictionProtocol!

The protocol that provides this market. See PredictionProtocol

Show Properties

POLYMARKET

enum

KALSHI

enum

venueOutcomeId

String!

The venue-specific outcome / asset / token ID used by the venue’s CLOB.

bids

[PredictionOrderBookLevel!]!

Bids ordered such that the last element is the best (highest) bid. Empty when no book is available. See PredictionOrderBookLevel

Show Properties

price

Float!

The price in collateral token units.

size

Float!

The size at this price level, in shares.

asks

[PredictionOrderBookLevel!]!

Asks ordered such that the last element is the best (lowest) ask. Empty when no book is available. See PredictionOrderBookLevel

timestamp

Int!

Venue-reported timestamp for the snapshot, in unix seconds. 0 when no book is available.

bookLiquidityUsd

String

Total bid-side notional liquidity in USD across all bid levels in the venue’s CLOB. Null when no book is available.

bookLiquidityCT

String

Total bid-side notional liquidity in collateral token units across all bid levels in the venue’s CLOB. Null when no book is available.

Returned by

predictionOutcomeOrderBooks: Returns live order books for a set of prediction outcomes, fetched from the venue’s CLOB. Polymarket and Kalshi; outcomes from other venues will return null. Cached for up to 10s.