Bitcoin 5-Minute Market Orderbook Depth — 2026-08-05

On 2026-08-05, full orderbook depth was captured for 284 Polymarket BTC 5-minute Up/Down market rounds — approximately 59,301 bid/ask snapshots totalling 401.8 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

284
Rounds recorded
~59,301
Depth snapshots
401.8 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1785890400_orderbook.jsonl produced 1.63 MB of snapshots — the deepest recording of 2026-08-05. 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
0.64138
0.6354.04
0.617
0.671
0.5949.52
0.5846.04
0.5748.61
0.5642.18
0.5589.78
0.5417.39
0.5323.02
0.5254.33
spread1¢
0.51326.36
0.5396.12
0.4940
0.4854.67
0.47211.45
0.4641.39
0.45129.56
0.4438.18
0.43100.11
0.42117.71
0.4129.52
0.426
DOWN token
4.98 min remaining
pricesize
0.636
0.5940
0.58128.67
0.57111.5
0.5650
0.55141.78
0.5454
0.53224.43
0.5268
0.5140
0.5396.12
0.49326.36
spread1¢
0.4842.66
0.476
0.4572
0.4454
0.4360
0.4257
0.4166
0.481
0.3937
0.3890
0.3784.04
0.36168

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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