Bitcoin 5-Minute Market Orderbook Depth — 2026-06-30

On 2026-06-30, full orderbook depth was captured for 287 Polymarket BTC 5-minute Up/Down market rounds — approximately 63,150 bid/ask snapshots totalling 408.5 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

287
Rounds recorded
~63,150
Depth snapshots
408.5 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1782834300_orderbook.jsonl produced 1.57 MB of snapshots — the deepest recording of 2026-06-30. 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.

4.97 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 1¢
UP token
4.97 min remaining
pricesize
0.6225
0.6117.82
0.648.5
0.5944.2
0.5839
0.5729
0.5648
0.55379
0.5468
0.535
0.5220.2
0.51219.84
spread1¢
0.5758.95
0.49435.45
0.4827.2
0.4717
0.4690
0.45381
0.4460
0.4341
0.4246
0.4139
0.443
0.3912
DOWN token
4.97 min remaining
pricesize
0.61125
0.643
0.5922
0.5836
0.5731
0.5626
0.5551
0.54191
0.5352
0.52225.31
0.51962.45
0.51,197.88
spread1¢
0.4927.84
0.4825.2
0.4710
0.4624
0.45234.97
0.4495.33
0.43114.81
0.42234.1
0.41263.05
0.4416.62
0.39370.02
0.38273.76

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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