PMData has every Polymarket Bitcoin Up or Down 1-hour market since 2026-02-01: 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 BTC Up/Down 1h Data
Every btc-updown-1h market since 2026-02-01, 24 a day: tick-level L2 order books, trades, and on-chain fills. Download one market or a whole day at once.
24
markets a day
2026-02-01
data since
75%
less quota per daily ZIP
End point
/v1/polymarket/l2/
/v1/polymarket/trades/
/v1/polymarket/onchain_fills/
BTC Up/Down 1h 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 | bitcoin-up-or-down-{month}-{day}-{year}-{hour}{am|pm}-et: one market every hour, 24 per UTC day |
|---|---|
| Coverage | Every BTC Up/Down 1h market since 2026-02-01, published daily |
| Data types | l2 (book, price_change, tick_size_change, market_resolved), trades, onchain_fills |
| Resolution price | the Binance BTC/USDT 1-hour candle: Up if the close is at least the open. PMData does not provide Binance data. |
| Whole-day download | One ZIP per day for btc-1h: 6 download quota instead of 24 (75% less) |
| Collection | AWS London, the same region as Polymarket; median collection latency 4.6 ms |
Other BTC series
Download a whole day of BTC Up/Down 1h markets
Frequently asked questions
bitcoin-up-or-down- followed by the month, day, year and starting hour in US Eastern time. For example, bitcoin-up-or-down-august-8-2026-12am-et is the market for the hour that starts at 2026-08-08 04:00 UTC. There are 24 markets per UTC day.
Request https://api.pmdata.dev/v1/polymarket/{data_type}/{YYYY}/{MM}/{DD}/btc-1h.zip with your API key. It returns that day's markets as Parquet files in one ZIP and uses 6 download quota instead of 24.
They resolve on the Binance BTC/USDT 1-hour candle: Up if the close is at least the open. PMData does not provide Binance data.
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.