Bitcoin 5-Minute Market Orderbook Depth — 2026-05-14

On 2026-05-14, full orderbook depth was captured for 287 Polymarket BTC 5-minute Up/Down market rounds — approximately 61,968 bid/ask snapshots totalling 402.4 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

287
Rounds recorded
~61,968
Depth snapshots
402.4 MB
Raw size
1.4¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1778761200_orderbook.jsonl produced 1.83 MB of snapshots — the deepest recording of 2026-05-14. 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.

4.98 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 1¢
UP token
4.98 min remaining
pricesize
0.6231
0.6136
0.690.02
0.5971
0.5895
0.5795
0.56160
0.55355
0.54176
0.5352
0.5224
0.5130.79
spread1¢
0.5148.55
0.49110
0.4835
0.4788
0.46158
0.45334
0.44158
0.4383
0.4288
0.4164
0.454
0.3924
DOWN token
4.98 min remaining
pricesize
0.6149
0.679
0.5989
0.58119
0.57108
0.56183
0.55359
0.54183
0.53118
0.5260
0.51135
0.5249.55
spread1¢
0.4922.41
0.4847
0.4775
0.46176
0.45355
0.44185
0.43120
0.42120
0.4196
0.4115.02
0.3961
0.3856

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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