Bitcoin 5-Minute Market Orderbook Depth — 2026-09-25

On 2026-09-25, full orderbook depth was captured for 288 Polymarket BTC 5-minute Up/Down market rounds — approximately 60,583 bid/ask snapshots totalling 405.2 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

288
Rounds recorded
~60,583
Depth snapshots
405.2 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1790343300_orderbook.jsonl produced 1.6 MB of snapshots — the deepest recording of 2026-09-25. Watch both books evolve from open to resolution: the Up-side spread tightened from 1¢ to 0¢ as the outcome crystallised. Bars show size at each level, scaled within each ladder.

4.97 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 1¢
UP token
4.97 min remaining
pricesize
0.71495
0.7529
0.69518
0.68486
0.67618
0.66514
0.65667
0.64739
0.63694
0.62120
0.61124
0.6129.78
spread1¢
0.59664.25
0.58525
0.57654
0.562,069
0.55607.09
0.54614.5
0.53541
0.52594.77
0.51692.04
0.51,797.93
0.49520
0.48592.74
DOWN token
4.97 min remaining
pricesize
0.52592.74
0.51515
0.51,797.93
0.49692.04
0.48594.77
0.47541
0.46614.5
0.45607.09
0.442,114
0.43679
0.42520
0.41679.31
spread1¢
0.4104.78
0.39149
0.38120
0.371,900
0.36802
0.35573
0.34499
0.33603
0.32496
0.31518
0.3529
0.29470

Showing 48 sampled snapshots, 12 levels nearest the touch on each side. The raw JSONL carries the complete ladder — every level, every ~1.5 seconds, for both tokens.

← 2026-09-24All days2026-09-26 →
Want this day — and every other one?

The full archive includes all 37,928 BTC files plus every other dataset.

Free sampleGet the archive — $15