Bitcoin 5-Minute Market Orderbook Depth — 2026-08-14

On 2026-08-14, full orderbook depth was captured for 288 Polymarket BTC 5-minute Up/Down market rounds — approximately 65,815 bid/ask snapshots totalling 400.3 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

288
Rounds recorded
~65,815
Depth snapshots
400.3 MB
Raw size
1.2¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1786721700_orderbook.jsonl produced 1.5 MB of snapshots — the deepest recording of 2026-08-14. 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
0.672
0.5915
0.5840
0.5740
0.5640
0.55425.34
0.5481
0.5272.07
0.5132
0.485
0.475
0.465
spread1¢
0.4557.11
0.44161.29
0.4360
0.4240
0.4117
0.4582.5
0.3813.15
0.377
0.365
0.3574.28
0.3356
0.3242
DOWN token
4.98 min remaining
pricesize
0.645
0.637
0.6213.15
0.6582.5
0.5917
0.5840
0.5760
0.56161.29
0.5545.11
0.5456
0.53440
0.52592.36
spread2¢
0.5100.11
0.4978.17
0.4815.45
0.4681
0.45425.34
0.4440
0.4340
0.4270
0.4145
0.4136.89
0.39136.83
0.38154.78

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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