recording live since Feb 2026
Polymarket historical tick data, market by market
Second-by-second prices and orderbook depth from every BTC & ETH Up/Down market round — clean CSV and JSONL files built for backtesting, machine learning and prediction-market research.
The datasets
One file per market round, named by its closing timestamp. Browse day-by-day statistics and download a free sample from each dataset page.
Bitcoin 5-Minute Up/Down Tick Data
CSVSecond-by-second Up/Down share prices from every Polymarket “Bitcoin Up or Down” 5-minute market. Each CSV covers one full market round: timestamps, Up price, Down price and time remaining.
Ethereum 5-Minute Up/Down Tick Data
CSVSecond-by-second Up/Down share prices from every Polymarket “Ethereum Up or Down” 5-minute market. Each CSV covers one full market round: timestamps, Up price, Down price and time remaining.
Bitcoin 5-Minute Market Orderbook Depth
JSONLFull bid/ask depth snapshots from Polymarket BTC 5-minute Up/Down markets, captured roughly every 1.5 seconds as JSONL. Every price level and size, for both the Up and Down side.
What a market round looks like
The most volatile BTC 5-minute round from 2026-10-24: the Up share swung 93¢ and the lead flipped 5 times before resolving UP.
| timestamp | time (UTC) | up_price | down_price | remaining_min |
|---|---|---|---|---|
| 1792804801 | 01:20:01 | 0.36 | 0.65 | 4.98 |
| 1792804833 | 01:20:32 | 0.16 | 0.85 | 4.46 |
| 1792804862 | 01:21:01 | 0.12 | 0.89 | 3.97 |
| 1792804891 | 01:21:31 | 0.10 | 0.91 | 3.48 |
| 1792804921 | 01:22:00 | 0.13 | 0.88 | 2.99 |
| 1792804950 | 01:22:29 | 0.25 | 0.76 | 2.50 |
| 1792804979 | 01:22:58 | 0.30 | 0.71 | 2.02 |
| 1792805008 | 01:23:28 | 0.60 | 0.41 | 1.53 |
| 1792805037 | 01:23:57 | 0.64 | 0.37 | 1.04 |
| 1792805067 | 01:24:26 | 0.98 | 0.03 | 0.56 |
Built for backtesting
Every round is a complete, self-contained time series from open to resolution. Replay markets tick by tick, test market-making or momentum strategies, and measure exactly how prices converge in the final seconds.
ML-ready structure
Uniform schema across 127,907 price files — load the whole archive into pandas with a five-line script (included in the docs) and start training on labelled, naturally-resolved binary outcomes.
Depth, not just price
The BTC orderbook dataset captures every bid and ask level for both the Up and Down side, ~1.5 seconds apart — liquidity, spreads and order flow around binary expiries.
Common questions
- What data does PredictionTicks provide?
- Tick-level recordings of Polymarket crypto Up/Down prediction markets: BTC 5-minute and ETH 5-minute share prices in CSV, plus full BTC orderbook depth snapshots in JSONL.
- How is the data collected?
- A recorder polls the public Polymarket APIs roughly every 1.5–2 seconds for the lifetime of each market round and writes one file per round. Recording has run continuously since February 2026.
- Can I try the data before buying?
- Yes — every dataset page has a free downloadable sample covering a full trading day, no sign-up required.