Bitcoin 5-Minute Market Orderbook Depth — 2026-07-13

On 2026-07-13, full orderbook depth was captured for 288 Polymarket BTC 5-minute Up/Down market rounds — approximately 62,509 bid/ask snapshots totalling 414.5 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

288
Rounds recorded
~62,509
Depth snapshots
414.5 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1783944000_orderbook.jsonl produced 1.52 MB of snapshots — the deepest recording of 2026-07-13. Watch both books evolve from open to resolution: the Up-side spread widened from 1¢ to 3¢ 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
0.65126.99
0.64133.5
0.6312.5
0.6242.5
0.6112.5
0.661
0.59155.52
0.5875.04
0.5788.61
0.56131.18
0.55537.16
0.54285
spread1¢
0.5388.98
0.526
0.51194.01
0.5336.61
0.4977.99
0.4859.39
0.47240.02
0.46270.39
0.45258.78
0.4467.18
0.43134.61
0.42119.04
DOWN token
4.98 min remaining
pricesize
0.5796
0.5649
0.55241
0.54247
0.53217
0.5242.72
0.5177.99
0.5336.61
0.49194.01
0.4815.61
0.4769.98
0.4650
spread1¢
0.45532.16
0.44113
0.4350
0.4281
0.4147
0.441
0.3912.5
0.3812.5
0.3712.5
0.36133.5
0.3576.99
0.3458.5

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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