Bitcoin 5-Minute Market Orderbook Depth — 2026-07-19

On 2026-07-19, full orderbook depth was captured for 288 Polymarket BTC 5-minute Up/Down market rounds — approximately 59,214 bid/ask snapshots totalling 407.4 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

288
Rounds recorded
~59,214
Depth snapshots
407.4 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1784481000_orderbook.jsonl produced 1.53 MB of snapshots — the deepest recording of 2026-07-19. 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
0.6115
0.635
0.5942
0.5850
0.5730
0.5650
0.55121
0.54166
0.5320
0.5210
0.51203.97
0.565.09
spread1¢
0.49648.2
0.48127.46
0.4746.99
0.46192.01
0.45131
0.4435
0.4315
0.4235
0.4127
0.425
0.3915
0.3815
DOWN token
4.98 min remaining
pricesize
0.6215
0.6115
0.625
0.5927
0.5835
0.5715
0.5635
0.55131
0.54197.01
0.5346.99
0.5257.46
0.51786.48
spread1¢
0.575.09
0.49203.97
0.4810
0.4720
0.46166
0.45121
0.4450
0.4330
0.4250
0.4142
0.435
0.3915

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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