Bitcoin 5-Minute Market Orderbook Depth — 2026-06-09

On 2026-06-09, full orderbook depth was captured for 203 Polymarket BTC 5-minute Up/Down market rounds — approximately 42,370 bid/ask snapshots totalling 283.1 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

203
Rounds recorded
~42,370
Depth snapshots
283.1 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1781031300_orderbook.jsonl produced 1.44 MB of snapshots — the deepest recording of 2026-06-09. 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
0.5990
0.5886
0.5760
0.5666
0.55145
0.54120
0.5350
0.52255
0.51275.72
0.5126.83
0.4932
0.48426.41
spread1¢
0.47268.59
0.46108.73
0.45106
0.44125
0.43131
0.4236
0.4150
0.493.5
0.3855.52
0.3735
0.3643.88
0.3574.71
DOWN token
4.98 min remaining
pricesize
0.6473.88
0.6360
0.6255.52
0.6155
0.693.5
0.5975
0.5836
0.57131
0.56340
0.55321
0.54503.73
0.53646.69
spread1¢
0.52304.36
0.5137
0.5131.83
0.49275.72
0.48255
0.4750
0.46120
0.45145
0.4466
0.43225
0.42251
0.41255

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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