Bitcoin 5-Minute Market Orderbook Depth — 2026-08-24

On 2026-08-24, full orderbook depth was captured for 288 Polymarket BTC 5-minute Up/Down market rounds — approximately 62,098 bid/ask snapshots totalling 412.4 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

288
Rounds recorded
~62,098
Depth snapshots
412.4 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1787558700_orderbook.jsonl produced 1.56 MB of snapshots — the deepest recording of 2026-08-24. 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.

4.97 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 1¢
UP token
4.97 min remaining
pricesize
0.6285
0.6165
0.680.6
0.59245
0.58291
0.571,200
0.56267.6
0.55257.4
0.54168.6
0.5317.6
0.5243.65
0.5116.12
spread1¢
0.567.6
0.4919.6
0.4884
0.4747.6
0.4658.2
0.4553.16
0.4454.49
0.43237.56
0.42151.35
0.411,015.56
0.4133.56
0.39137.56
DOWN token
4.97 min remaining
pricesize
0.6233.56
0.591,015.56
0.58251.35
0.57337.56
0.5654.49
0.55153.16
0.5453.2
0.53152.6
0.52244
0.5119.6
0.550.6
0.4935
spread1¢
0.4823.84
0.4790
0.4677.6
0.45287.4
0.44407.6
0.431,207.6
0.42291
0.41345
0.4180.6
0.39165
0.38185
0.3772

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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