PMData has every Polymarket Ethereum Up or Down 5-minute market since 2026-02-22: tick-level L2 order books, trades, and on-chain fills as Parquet files, one per market and day or one ZIP for the whole day.
Polymarket ETH Up/Down 5m Data
Every eth-updown-5m market since 2026-02-22, 288 a day: tick-level L2 order books, trades, and on-chain fills, plus the Chainlink ETH/USD TWAP the markets resolve on. Download one market or a whole day at once.
288
markets a day
2026-02-22
data since
75%
less quota per daily ZIP
End point
/v1/polymarket/l2/
/v1/polymarket/trades/
/v1/polymarket/onchain_fills/
ETH Up/Down 5m datasets
Part of Polymarket crypto data. Column definitions are in the data schemas. To test a strategy on these markets, see how to backtest Polymarket strategies.
| Markets | eth-updown-5m-{window start, unix seconds}: one market every 5 minutes, 288 per UTC day |
|---|---|
| Coverage | Every ETH Up/Down 5m market since 2026-02-22, published daily |
| Data types | l2 (book, price_change, tick_size_change, market_resolved), trades, onchain_fills |
| Resolution price | Chainlink's ETH/USD 60s TWAP since 2026-08-07, and the Chainlink ETH/USD Data Streams price before that. PMData collects both directly from Chainlink: Data Streams since 2026-06-07, TWAP since 2026-08-01. |
| Whole-day download | One ZIP per day for eth-5m: 72 download quota instead of 288 (75% less) |
| Collection | AWS London, the same region as Polymarket; median collection latency 4.6 ms |
Other ETH series
Download a whole day of ETH Up/Down 5m markets
Frequently asked questions
eth-updown-5m- followed by the window's start time in unix seconds. For example, eth-updown-5m-1786147200 is the market that starts at 2026-08-08 00:00 UTC. There are 288 markets per UTC day.
Request https://api.pmdata.dev/v1/polymarket/{data_type}/{YYYY}/{MM}/{DD}/eth-5m.zip with your API key. It returns that day's markets as Parquet files in one ZIP and uses 72 download quota instead of 288.
They resolve on Chainlink's ETH/USD 60s TWAP since 2026-08-07, and the Chainlink ETH/USD Data Streams price before that. PMData collects both directly from Chainlink: Data Streams since 2026-06-07, TWAP since 2026-08-01.
Yes. Files contain every book and price_change message Polymarket sent for the market, as received, with a microsecond receive timestamp, so you can rebuild the book at any moment.