Bitcoin 5-Minute Market Orderbook Depth — 2026-05-22

On 2026-05-22, full orderbook depth was captured for 256 Polymarket BTC 5-minute Up/Down market rounds — approximately 54,787 bid/ask snapshots totalling 363.8 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

256
Rounds recorded
~54,787
Depth snapshots
363.8 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1779454200_orderbook.jsonl produced 1.48 MB of snapshots — the deepest recording of 2026-05-22. Watch both books evolve from open to resolution: the Up-side spread tightened from 1¢ to 1¢ as the outcome crystallised. Bars show size at each level, scaled within each ladder.

4.99 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 1¢
UP token
4.99 min remaining
pricesize
0.6317
0.6217
0.6122
0.6162
0.5957
0.5858
0.5747
0.5682
0.55122
0.54132.1
0.53202
0.5277.1
spread1¢
0.5189.52
0.572.36
0.4972.52
0.4869.91
0.4725
0.46105
0.45145
0.4490
0.4375
0.4281
0.41105
0.4170
DOWN token
4.99 min remaining
pricesize
0.6170
0.59105
0.5881
0.5775
0.5690
0.55145
0.54105
0.5330
0.5269.91
0.5160.02
0.572.36
0.4984.52
spread1¢
0.4894.54
0.47202
0.46132.1
0.45127
0.4487
0.4347
0.4258
0.4157
0.4162
0.3922
0.3817
0.3717

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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