Bitcoin 5-Minute Up/Down Tick Data — 2026-08-18
On 2026-08-18, 286 Polymarket BTC 5m Up/Down market rounds were recorded. Up resolved as the winner in 131 rounds (45.8%), Down in 155. The average round saw the Up share move across a 62¢ range, with the lead changing hands 3.85 times per round on average.
286
Rounds recorded
45.8%
Up win rate
131 up / 155 down
62¢
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-1787047200.csv swung 99¢, flipped leader 1 times and resolved UP. Ten sampled ticks:
| timestamp | time (UTC) | up_price | down_price | remaining_min |
|---|---|---|---|---|
| 1787047201 | 10:00:00 | 0.40 | 0.61 | 4.99 |
| 1787047233 | 10:00:33 | 0.26 | 0.75 | 4.44 |
| 1787047264 | 10:01:03 | 0.16 | 0.85 | 3.94 |
| 1787047293 | 10:01:33 | 0.13 | 0.88 | 3.45 |
| 1787047322 | 10:02:02 | 0.05 | 0.96 | 2.96 |
| 1787047352 | 10:02:31 | 0.02 | 0.99 | 2.47 |
| 1787047381 | 10:03:00 | 0.02 | 0.99 | 1.99 |
| 1787047410 | 10:03:30 | 0.76 | 0.25 | 1.50 |
| 1787047439 | 10:03:59 | 0.98 | 0.03 | 1.02 |
| 1787047468 | 10:04:28 | 1.00 | 0.01 | 0.53 |
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