Historical Data for
Polymarket Alpha
The complete historical dataset for Polymarket. Full order book snapshots, volume and liquidity at 1-minute resolution. More than 5 Billion rows indexed in our database and growing every day.
{
"timestamp": "2026-01-15 02:02:00",
"token_id": "847350984861295801...",
"bids": [
{"price": "0.49", "size": "1120"}, {"price": "0.48", "size": "1066"}, {"price": "0.47", "size": "562"}, ...
],
"asks": [
{"price": "0.51", "size": "1120"}, {"price": "0.52", "size": "1066"}, {"price": "0.53", "size": "562"}, ...
],
"volume": 12450800.45,
"liquidity": 1613500.75,
"spread": 0.02
}
_
{ "timestamp": "2025-08-15T14:31:01.000Z", "market_id": "will-trump-win-2024", ... }
{ "timestamp": "2025-08-15T14:30:01.000Z", "market_id": "will-trump-win-2024", ... }
{ "timestamp": "2025-08-15T14:29:01.000Z", "market_id": "will-trump-win-2024", ... }
Bridging the Professional Data Gap
The difference between basic price tracking and a robust infrastructure built for professional-grade research.
| Feature | Public API | Our Database |
|---|---|---|
Order Book History Full History (Bids/Asks Depth) | Full History (Bids/Asks Depth) | |
Market Metrics Hist. Spread, Volume, Liquidity | Hist. Spread, Volume, Liquidity | |
Resolved Events Fully Queryable | Fully Queryable | |
Data Structure Flexible (SQL, Parquet, CSV, JSON) | Flexible (SQL, Parquet, CSV, JSON) |
Engineered for Trading and Research
From the highest-level event series down to 1-minute order book snapshots, our database is built for professional backtesting and deep alpha discovery.
Historical Books, Prices and Market Metrics
Point-in-time bid/ask depth, price trends, volume, liquidity, and spread history at 1-minute resolution. Reconstruct the exact market state for any point in time.
Full Metadata
Navigate the hierarchy of Series, Events, and Markets. Every question, resolution outcome, and token mapping is indexed and queryable.
Resolved Markets
Access historical data for events that have concluded. While public APIs purge closed markets, we maintain the full lifecycle and final state for archival research.
Data Your Way
Whether you need a one-time S3 dump, a direct read-only credential to our database, or a batch update, we adapt to your pipeline.
S3 Dumps
One-time or recurring dumps in Parquet, CSV, or JSON format.
Direct Access
Read-only credentials to our high-performance ClickHouse cluster.
Custom Exports
Specific time ranges or market categories tailored to your needs.
Get an edge before the market catches up
Fill out the form to request a custom sample or discuss full historical access. We respond to all inquiries within one business day.
- 5B+ Rows of Historical Data
- L1/L2 Orderbook Snapshots
- Technical Support