Bitcoin 5-Minute Market Orderbook Depth — 2026-08-26

On 2026-08-26, full orderbook depth was captured for 287 Polymarket BTC 5-minute Up/Down market rounds — approximately 60,043 bid/ask snapshots totalling 378.4 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

287
Rounds recorded
~60,043
Depth snapshots
378.4 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1787711100_orderbook.jsonl produced 1.52 MB of snapshots — the deepest recording of 2026-08-26. Watch both books evolve from open to resolution: the Up-side spread tightened from 2¢ 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: 2¢
UP token
4.98 min remaining
pricesize
0.7335
0.7255
0.7166
0.792.29
0.6930
0.687
0.6747.78
0.6651.7
0.6537.07
0.6463.01
0.632.91
0.6213.33
spread2¢
0.648.69
0.5930
0.58455.6
0.57230
0.56251.2
0.5565
0.5440
0.5395
0.5265.6
0.5145
0.560
0.4959.68
DOWN token
4.98 min remaining
pricesize
0.4950
0.4870.6
0.47100
0.4645
0.4565
0.44251.2
0.4330
0.42635.6
0.4135
0.435.6
0.3910
0.3840
spread1¢
0.377.91
0.3668.01
0.3547.07
0.3456.7
0.3382.78
0.3237
0.3130
0.392.29
0.2971
0.28655
0.2735
0.2635

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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