Bitcoin 5-Minute Market Orderbook Depth — 2026-06-19

On 2026-06-19, full orderbook depth was captured for 288 Polymarket BTC 5-minute Up/Down market rounds — approximately 62,047 bid/ask snapshots totalling 410.9 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

288
Rounds recorded
~62,047
Depth snapshots
410.9 MB
Raw size
1.1¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1781873400_orderbook.jsonl produced 1.68 MB of snapshots — the deepest recording of 2026-06-19. 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.

4.96 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 1¢
UP token
4.96 min remaining
pricesize
0.63219.08
0.62262.13
0.61184.78
0.6115
0.59160.76
0.58208
0.57219.24
0.56285
0.55427
0.54331.29
0.5323.64
0.52104.57
spread1¢
0.511,142.49
0.5766
0.49181.71
0.48169
0.47132
0.46284
0.45438
0.44331
0.43249.24
0.42233
0.41143
0.4137
DOWN token
4.96 min remaining
pricesize
0.58284
0.57308.24
0.56390
0.55489
0.54340
0.53142
0.52207
0.51214
0.5794
0.49738.67
0.48400.98
0.4760
spread1¢
0.46339.93
0.45437
0.44303
0.43229.24
0.42226
0.41165.76
0.4133
0.39172.78
0.38250.13
0.37199.08
0.36256.57
0.35310.38

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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