Bitcoin 5-Minute Market Orderbook Depth — 2026-05-05

On 2026-05-05, full orderbook depth was captured for 287 Polymarket BTC 5-minute Up/Down market rounds — approximately 60,852 bid/ask snapshots totalling 404.8 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

287
Rounds recorded
~60,852
Depth snapshots
404.8 MB
Raw size
1.2¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1778020200_orderbook.jsonl produced 1.53 MB of snapshots — the deepest recording of 2026-05-05. 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
0.6142.69
0.6101
0.597.32
0.5825.95
0.5615.86
0.5551.66
0.5445
0.5355
0.5216.83
0.51632.09
0.519.33
0.49181.95
spread1¢
0.4841.3
0.4735
0.4650
0.4566.66
0.445
0.4225
0.417.32
0.451
0.3942.69
0.3825
0.37205
0.3677.33
DOWN token
4.98 min remaining
pricesize
0.6325
0.6225
0.6142.69
0.651
0.597.32
0.5825
0.5725
0.5630
0.5566.66
0.5475
0.5345
0.5241.3
spread1¢
0.51206.95
0.519.33
0.49632.09
0.4816.83
0.4755
0.4645
0.4576.66
0.4415.86
0.4310
0.4225.95
0.417.32
0.4101

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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