Bitcoin 5-Minute Market Orderbook Depth — 2026-06-17

On 2026-06-17, full orderbook depth was captured for 134 Polymarket BTC 5-minute Up/Down market rounds — approximately 29,516 bid/ask snapshots totalling 191.5 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

134
Rounds recorded
~29,516
Depth snapshots
191.5 MB
Raw size
1.3¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1781737500_orderbook.jsonl produced 1.54 MB of snapshots — the deepest recording of 2026-06-17. 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.

4.96 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 2¢
UP token
4.96 min remaining
pricesize
0.6378
0.6253
0.6153
0.686
0.5958
0.5878
0.57172.3
0.56113
0.55280.72
0.54345.05
0.53318.86
0.52405.66
spread2¢
0.544.65
0.4946
0.47117.6
0.4610
0.4580.2
0.4473.13
0.43141.19
0.42218.49
0.41198.95
0.4227.78
0.39274.61
0.38159.53
DOWN token
4.96 min remaining
pricesize
0.6768
0.6678
0.65113
0.64148
0.63307.86
0.62204.53
0.61339.61
0.6287.78
0.59175.95
0.58177.57
0.5736.52
0.555.56
spread1¢
0.5483.33
0.5355
0.52315.22
0.51283.72
0.5519.06
0.49313
0.48405.39
0.47323.86
0.46345.05
0.45280.72
0.4478
0.43137.3

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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