Bitcoin 5-Minute Market Orderbook Depth — 2026-07-30

On 2026-07-30, full orderbook depth was captured for 288 Polymarket BTC 5-minute Up/Down market rounds — approximately 60,544 bid/ask snapshots totalling 411.4 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

288
Rounds recorded
~60,544
Depth snapshots
411.4 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1785441000_orderbook.jsonl produced 1.58 MB of snapshots — the deepest recording of 2026-07-30. Watch both books evolve from open to resolution: the Up-side spread tightened from 1¢ to 1¢ as the outcome crystallised. Bars show size at each level, scaled within each ladder.

4.98 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 1¢
UP token
4.98 min remaining
pricesize
0.6335
0.6230
0.6180
0.699
0.5986.52
0.5885.04
0.5783.61
0.56399.49
0.5580
0.54194.86
0.5394
0.52113.7
spread1¢
0.51311.73
0.555.98
0.49232
0.4826.67
0.4717.02
0.4637.39
0.4551.78
0.4448.18
0.4348.61
0.4250.04
0.4156.52
0.431.5
DOWN token
4.98 min remaining
pricesize
0.615
0.611.5
0.5937
0.5831
0.5730
0.5630
0.5534
0.5420
0.5210
0.51232
0.555.98
0.49190.43
spread1¢
0.48128.7
0.4794
0.46190.72
0.4580
0.44399.49
0.4365
0.4266
0.4167
0.479
0.3980
0.3830
0.3741

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.

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