Bitcoin 5-Minute Market Orderbook Depth — 2026-09-04

On 2026-09-04, full orderbook depth was captured for 288 Polymarket BTC 5-minute Up/Down market rounds — approximately 61,542 bid/ask snapshots totalling 401.4 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

288
Rounds recorded
~61,542
Depth snapshots
401.4 MB
Raw size
1.3¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1788508500_orderbook.jsonl produced 1.5 MB of snapshots — the deepest recording of 2026-09-04. 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.

4.96 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 1¢
UP token
4.96 min remaining
pricesize
0.46323
0.45328
0.44328
0.43358
0.42361
0.41558
0.4443
0.39341
0.38348.6
0.37341
0.36449.34
0.35501
spread1¢
0.3417.42
0.33255.07
0.32250
0.31368.6
0.3437
0.29496
0.28672
0.27529
0.26436
0.25474
0.24523.5
0.23446
DOWN token
4.96 min remaining
pricesize
0.77446
0.76523.5
0.75474
0.74436
0.73514
0.72657
0.71481
0.7422
0.69368.6
0.68250
0.67255.07
0.6632.42
spread1¢
0.65457.84
0.64454.34
0.63341
0.62348.6
0.61341
0.6448
0.59558
0.58366
0.57358
0.56365
0.55328
0.54343

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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