Bitcoin 5-Minute Market Orderbook Depth — 2026-10-30

On 2026-10-30, full orderbook depth was captured for 288 Polymarket BTC 5-minute Up/Down market rounds — approximately 60,641 bid/ask snapshots totalling 410.2 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

288
Rounds recorded
~60,641
Depth snapshots
410.2 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1793366400_orderbook.jsonl produced 1.75 MB of snapshots — the deepest recording of 2026-10-30. 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
0.66626
0.65608
0.64774
0.63395
0.62821.25
0.61986.25
0.6865.5
0.59541.25
0.58110
0.57670
0.561,220
0.55113.16
spread1¢
0.54848.13
0.53489
0.52135
0.51323
0.5429
0.491,991
0.48525.75
0.47571.25
0.46822.75
0.45960.76
0.44958.06
0.43952.07
DOWN token
4.98 min remaining
pricesize
0.571,016.07
0.56968.06
0.55785.01
0.54872.75
0.53672.25
0.52656.75
0.512,138.5
0.5474
0.49428
0.48200
0.47489
0.46908.13
spread1¢
0.45176.16
0.44429
0.431,540
0.42290
0.41115
0.4755.5
0.39976.25
0.381,036.25
0.37884.25
0.36830
0.35500
0.34717

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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