Chainlink
Direct Chainlink Data Streams and TWAP historical data coverage, downloads, and collection details.
Collected directly from Chainlink — not from the Polymarket proxy.
Chainlink Streams historical data is available since 2026-06-07.
Chainlink TWAP 30s/60s data is available since 2026-08-01.
Available data
| Data type | Contents | Sample |
|---|---|---|
streams | Raw price data received from the Chainlink WebSocket stream, not the Polymarket proxy. | Download sample ↗ |
streams_twap30s | TWAP 30s data received from the Chainlink WebSocket stream. | Download sample ↗ |
streams_twap60s | TWAP 60s data received from the Chainlink WebSocket stream. | Download sample ↗ |
See the Chainlink schema for column definitions, TWAP differences, and price scaling.
API access and data format
GET /v1/chainlink/{data_type}/{YYYY}/{MM}/{DD}/{symbol}.parquetSend your API key in the api_key request header. Each response is one symbol's Parquet file for one data type and UTC date.
Chainlink downloads are available to paid users only and consume one download quota unit per file. Supported symbols are BTCUSD, ETHUSD, SOLUSD, XRPUSD, DOGEUSD, BNBUSD, and HYPEUSD.
Captured real-time channels
streams— Direct Chainlink Data Streams reports containing price, bid, ask, validity timestamps, and version.streams_twap30s— Chainlink-computed 30-second TWAP reports.streams_twap60s— Chainlink-computed 60-second TWAP reports.
Market data collection details
PMData's market data collection infrastructure for Chainlink is located in AWS eu-west-2-az2 (London, Availability Zone 2).