Bitcoin 5-Minute Up/Down Tick Data — 2026-08-21
On 2026-08-21, 286 Polymarket BTC 5m Up/Down market rounds were recorded. Up resolved as the winner in 150 rounds (52.4%), Down in 136. The average round saw the Up share move across a 66¢ range, with the lead changing hands 5.15 times per round on average.
286
Rounds recorded
52.4%
Up win rate
150 up / 136 down
66¢
Avg swing
max − min Up price per round
99¢
Wildest round
biggest single-round swing
Up win rate by hour (UTC)
Share of rounds each hour where the Up side won. The dashed line marks 50%.
00:0006:0012:0018:0023:00
Most volatile round of the day
btc-updown-5m-1787271900.csv swung 99¢, flipped leader 3 times and resolved DOWN. Ten sampled ticks:
| timestamp | time (UTC) | up_price | down_price | remaining_min |
|---|---|---|---|---|
| 1787271902 | 00:25:02 | 0.55 | 0.46 | 4.96 |
| 1787271934 | 00:25:34 | 0.53 | 0.47 | 4.43 |
| 1787271964 | 00:26:03 | 0.57 | 0.44 | 3.94 |
| 1787271993 | 00:26:33 | 0.57 | 0.46 | 3.44 |
| 1787272023 | 00:27:02 | 0.69 | 0.32 | 2.96 |
| 1787272052 | 00:27:32 | 0.77 | 0.23 | 2.47 |
| 1787272081 | 00:28:01 | 0.85 | 0.16 | 1.98 |
| 1787272111 | 00:28:30 | 0.83 | 0.18 | 1.49 |
| 1787272140 | 00:29:00 | 0.97 | 0.04 | 1.00 |
| 1787272170 | 00:29:29 | 0.99 | 0.02 | 0.50 |
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