How often does Bitcoin close UP vs DOWN in 4-hour Polymarket markets? This page breaks down real historical outcomes — by time of day and day of week — so you can spot statistical patterns. Data updates automatically.
Bitcoin is largely efficient at 4-hour — outcomes stay close to a coin flip across most slots. That itself is useful: it tells you not to expect a reliable directional edge here.
Key takeaway: The standout pattern is 8:00AM-12:00PM ET, which closed UP 62% of the time across 89 markets. By weekday, Monday has been the most directional.
Across the most recent markets, Bitcoin closed UP 53% of the time in 4-hour slots (539 markets analyzed). A reading near 50% means the market is efficient; a strong skew suggests a recurring pattern.
The slot with the strongest UP lean is 8:00AM-12:00PM (62% UP over 89 occurrences).
The slot with the strongest DOWN lean is 4:00AM-8:00AM (41% DOWN over 90 occurrences).
| Slot (ET) | UP % | DOWN % | Markets | Significance |
|---|---|---|---|---|
| 8:00AM-12:00PM | 62% | 38% | 89 | ★★ |
| 4:00AM-8:00AM | 59% | 41% | 90 | ★ |
| Slot (ET) | UP % | DOWN % | Markets |
|---|---|---|---|
| 12AM ET | 44% | 56% | 90 |
| 4AM ET | 59% | 41% | 90 |
| 8AM ET | 62% | 38% | 89 |
| 12PM ET | 50% | 50% | 90 |
| 4PM ET | 54% | 46% | 90 |
| 8PM ET | 46% | 54% | 90 |
| Slot (ET) | UP % | DOWN % | Markets |
|---|---|---|---|
| Sunday | 56% | 44% | 78 |
| Monday | 58% | 42% | 78 |
| Tuesday | 49% | 51% | 78 |
| Wednesday | 51% | 49% | 75 |
| Thursday | 46% | 54% | 74 |
| Friday | 50% | 50% | 78 |
| Saturday | 58% | 42% | 78 |
Each 4-hour Polymarket market resolves UP or DOWN. We aggregate outcomes by their start time and weekday, then compute the UP rate and a statistical significance score (Z-score). Patterns with more occurrences and higher Z-scores are more reliable. Past patterns do not guarantee future results.