Polymarket Datasets

Tick-level orderbook, trade, and on-chain data from the world's largest prediction market.

34B+Total Records
220K+Markets
2020–NowOn-chain
Feb 2026–NowTick-level

Datasets

CLOB Data

Orderbook Events

31.6B rows

Tick-level orderbook updates — full book snapshots, price changes, and cancellations across all active markets.

Jan 2026 – Present221K marketsContinuously updated
event_type · ts_exchange_ms · market_id · side[] · price[] · size[] · seq_id[]

Trades

45M rows

Individual trade fills on the Polymarket CLOB with exchange timestamps and taker attribution.

Feb 2026 – Present167K markets
ts_exchange_ms · market_id · price · size · side · taker_order_id

On-chain Data

On-chain Fills

882M rows

Settlement and fill events from the CTF Exchange contract on Polygon, with maker/taker addresses and full order details.

Nov 2022 – Present601K token IDs
block_number · tx_hash · maker · taker · maker_asset_id · taker_asset_id · maker_amount · taker_amount · fee

On-chain Events

1.5B rows

All decoded smart contract events — CTF Exchange, NegRisk adapters, condition modules, and more.

Sep 2020 – Present
block_number · tx_hash · contract_name · event_name · decoded · actors[]

Positions

438M rows

Position lifecycle events — splits, merges, redemptions, and payouts with per-account tracking.

Nov 2022 – Present
block_number · account · condition_id · market_id · amount · payout

Metadata

Market & Event Metadata

5M rows

Market parameters, outcome definitions, event descriptions, and category tags for all Polymarket events and markets.

token_id · event_slug · payload (JSON)

Access

We provide free access to these datasets for students and academic researchers. Contact us with your institutional affiliation and intended use case.

If you use this data in a publication, please cite: Rocklabs Polymarket Dataset, rocklabs.io