Polymarket BTC Orderbook Snapshots (5-Minute Markets)
Full 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.
43,671
Market rounds
159
Recorded days
9,308,059+
Depth snapshots
59.8 GB raw JSONL
1.1¢
Avg opening spread
Up side, best ask − best bid
Inside the book
Replay of the most active round of 2026-10-24, from open to resolution. It plays automatically — grab the slider to scrub through time yourself. Each JSONL line carries this full depth, every ~1.5 seconds.
4.97 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 1¢
UP token
4.97 min remaining
pricesize
0.76156
0.75191
0.74189
0.73181
0.72181
0.71311
0.7236
0.69176
0.68194
0.67133
0.6640
0.6535.3
spread1¢
0.64339
0.63186
0.62182.52
0.61161
0.6206
0.59246
0.58197.23
0.57192
0.56131
0.55136
0.54111
0.53232
DOWN token
4.97 min remaining
pricesize
0.47232
0.46101
0.45131
0.44131
0.43182
0.42197.23
0.41221
0.4221
0.39236
0.38267.52
0.37256
0.36379
spread1¢
0.3535.3
0.3456.84
0.3355
0.3260
0.31108
0.3178
0.29231
0.28331
0.27181
0.26189
0.25191
0.24176
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Daily statistics: win rates, volatility, lead changes and tick previews for every recorded day.