Bitcoin 5-Minute Market Orderbook Depth — 2026-08-12

On 2026-08-12, full orderbook depth was captured for 288 Polymarket BTC 5-minute Up/Down market rounds — approximately 62,781 bid/ask snapshots totalling 411.5 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

288
Rounds recorded
~62,781
Depth snapshots
411.5 MB
Raw size
1.3¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1786537800_orderbook.jsonl produced 1.66 MB of snapshots — the deepest recording of 2026-08-12. Watch both books evolve from open to resolution: the Up-side spread tightened from 6¢ 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: 6¢
UP token
4.97 min remaining
pricesize
0.78156.35
0.77396.11
0.76168.48
0.75424.78
0.74148.16
0.73143.87
0.72245.71
0.7145.39
0.7140.88
0.69464.68
0.68230
0.6728
spread6¢
0.61929.96
0.6405
0.59143.77
0.58367.06
0.57373
0.56100
0.55148
0.54225
0.53225
0.52225
0.51254.4
0.588
DOWN token
4.97 min remaining
pricesize
0.46280.53
0.45432.54
0.44143.85
0.43390.54
0.42337.06
0.41411.77
0.4398
0.39449.03
0.38125
0.37360
0.3658.35
0.35357.53
spread3¢
0.32188.8
0.31230
0.3155.23
0.2920.39
0.28245.71
0.27230
0.2643.46
0.25601.78
0.24470.49
0.23546.19
0.22381.35
0.21460.16

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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