Bitcoin 5-Minute Market Orderbook Depth — 2026-08-30

On 2026-08-30, full orderbook depth was captured for 288 Polymarket BTC 5-minute Up/Down market rounds — approximately 60,702 bid/ask snapshots totalling 395.3 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

288
Rounds recorded
~60,702
Depth snapshots
395.3 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1788049200_orderbook.jsonl produced 1.5 MB of snapshots — the deepest recording of 2026-08-30. 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.

4.98 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 1¢
UP token
4.98 min remaining
pricesize
0.74119.99
0.7320
0.7250
0.7144
0.749
0.6915
0.6825
0.6715
0.6615
0.6525
0.6410
0.635
spread1¢
0.622.13
0.616.97
0.565
0.5520
0.54200
0.53100
0.52110.5
0.5120
0.4915
0.44520
0.435
0.4220
DOWN token
4.98 min remaining
pricesize
0.5515
0.5315
0.5115
0.510
0.4940
0.48110.5
0.46200
0.4520
0.444.46
0.43150
0.4280
0.4185
spread1¢
0.44.22
0.3925
0.3815
0.3610
0.3525
0.3415
0.3315
0.3225
0.3120
0.354
0.2944
0.2850

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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