Bitcoin Up or Down on September 18?

Closed View on Polymarket ↗ (opens in a new tab)

Current Probability

100.0%

24h Change

+46.5 pp

Signal Score

65/100

Data Confidence

Medium (63)

24h probability rose 46.5pp

Data may be stale — last sync exceeded two update cycles. Freshness updates on the next successful sync.

Market data

Updated 2 days ago

Last radar sync

2026-09-18 16:08 UTC

Why This Signal Matters

Supporting facts beyond the headline signal reason.

  • Volume baseline unavailable or history insufficient
  • Liquidity depth $115,618
  • Medium data confidence (63)

Probability History

Stored CLOB and sync snapshots with a compact read of recent movement.

Latest 100.0% · Sep 18, 04:00 PM

27% 63% 100% Sep 17 Sep 18 Sep 18 Sep 18 Current 100.0% · 2d of stored history · 26 pts

Current

100.0%

24h Change

+46.5 pp

7d Change

Only 4d of listing history

Coverage

2d of stored history

49 stored snapshots · Latest sample Sep 18, 04:00 PM

View history table
Time Probability
9/18/2026, 4:00:00 PM 100.0%
9/18/2026, 3:00:00 PM 99.8%
9/18/2026, 2:00:00 PM 99.2%
9/18/2026, 1:00:00 PM 96.7%
9/18/2026, 12:00:00 PM 96.8%
9/18/2026, 11:00:00 AM 96.3%
9/18/2026, 10:45:00 AM 96.9%
9/18/2026, 10:00:00 AM 96.6%
9/18/2026, 9:00:00 AM 96.5%
9/18/2026, 8:00:00 AM 89.5%
9/18/2026, 7:00:00 AM 83.5%
9/18/2026, 6:00:00 AM 79.5%
9/18/2026, 5:00:00 AM 81.5%
9/18/2026, 4:00:00 AM 76.5%
9/18/2026, 3:00:00 AM 61.5%
9/18/2026, 2:00:00 AM 49.5%
9/18/2026, 1:00:00 AM 41.5%
9/18/2026, 12:00:00 AM 34.5%
9/17/2026, 11:00:00 PM 33.5%
9/17/2026, 10:00:00 PM 33.5%
9/17/2026, 9:00:00 PM 40.5%
9/17/2026, 8:00:00 PM 42.5%
9/17/2026, 7:00:00 PM 43.0%
9/17/2026, 6:00:00 PM 46.5%

Market Snapshot

Incremental context not covered in the hero summary.

1h Change

+0.2 pp

7d Change

Only 4d of listing history

24h Volume

$181.5K

Volume vs Baseline

Baseline unavailable

Liquidity

$115.6K

Market Significance

High (82)

Market Status

Closed

End Date

Sep 18, 2026

Attention Score

49

Signal Quality Breakdown

Components behind the hero Signal Score of 65/100.

Probability Momentum 100
Volume Activity 0
Liquidity Quality 93
Persistence 40
Data Confidence Medium (63)

Next Steps

Keep exploring radar picks or open the full market catalog.