Bitcoin 5-Minute Market Orderbook Depth — 2026-05-02

On 2026-05-02, full orderbook depth was captured for 288 Polymarket BTC 5-minute Up/Down market rounds — approximately 59,642 bid/ask snapshots totalling 393.8 MB of JSONL. Each snapshot lists every price level and size for both the Up and Down side.

288
Rounds recorded
~59,642
Depth snapshots
393.8 MB
Raw size
1.2¢
Avg opening spread
Up side, best ask − best bid

Replay the day's most active round

btc-updown-5m-1777731900_orderbook.jsonl produced 1.57 MB of snapshots — the deepest recording of 2026-05-02. 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.

4.97 min left
frame 1/48▸ auto-playing — drag to scrubUp-side spread: 1¢
UP token
4.97 min remaining
pricesize
0.642
0.5961.64
0.5827
0.5727
0.5627
0.5556.76
0.5467
0.5327
0.5257
0.5157.39
0.5225.09
0.49343.28
spread1¢
0.4863.91
0.4724
0.4669
0.45161.02
0.4429
0.4334
0.4239
0.4173.64
0.454
0.3934
0.3839
0.3739
DOWN token
4.97 min remaining
pricesize
0.6339
0.6239
0.6139
0.664
0.5983.64
0.5849
0.5739
0.5634
0.55177.13
0.5474
0.5334
0.5253.12
spread1¢
0.51141.9
0.5280.09
0.4962.39
0.4862
0.4792
0.4672
0.4556.76
0.4497
0.4327
0.4232
0.4161.64
0.442

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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