Prediction Market Quotes

CoinAPI

Historical best bid / best ask quote ticks for prediction market exchanges.

Get This Dataset

Category🔮Prediction Markets

Update Frequencyhourly

SizeMedium to high

CoverageKALSHI, POLYMARKET, MYRIAD, MANIFOLD

FormatsCSV.gz

Overview

Historical best bid / best ask quote ticks for prediction market exchanges.

CoinAPI packages this dataset for teams that need analysis-ready market data with clear schema documentation, representative samples, and commercial access across CoinAPI datasets.

Product and Channel Availability

Where applicable for this dataset, access is available through: Flat Files (Snowflake, S3 Pull, S3 Push, GCS Push), REST API, Market Data API, WebSocket API (v1, v2), FIX API.

File Format

Formats: CSV.gz
Refresh frequency: hourly
Size profile: Medium to high

Coverage

KALSHI, POLYMARKET, MYRIAD, MANIFOLD

Data Structure

prediction_market_quotes: Best bid / best ask quote ticks for prediction markets.

The schema and sample rows below document the available fields, data types, nullability, and example values for this dataset.

Tables

Column	Type	Nullable	Description	Example
symbol_id	`string`	No	Prediction market contract or instrument identifier.	`KXBTCD-2026-03-YES`
time_exchange	`timestamp`	No	Exchange event timestamp.	`2026-03-24T13:15:04.1234567`
time_coinapi	`timestamp`	No	CoinAPI receive timestamp.	`2026-03-24T13:15:04.1240000`
bid	`number`	No	Best bid price.	`0.6`
bid_size	`number`	No	Best bid size.	`120`
ask	`number`	No	Best ask price.	`0.61`
ask_size	`number`	No	Best ask size.	`95`
id_site_coinapi	`string`	Yes	Venue or source identifier when available.

Sample Data

prediction_market_quotes

symbol_id	time_exchange	time_coinapi	bid	bid_size	ask	ask_size	id_site_coinapi
KXBTCD-2026-03-YES	2026-03-24T13:15:04.1234567	2026-03-24T13:15:04.1240000	0.6	120	0.61	95