BTC Flow Analysis — September 18, 2025 CHOP
Thursday · Minute-level BTC order flow from Binance · 2,252,654 trades
Summary
On Thursday, September 18, 2025, Bitcoin ground out a +0.54% gain to $117,074. Net flow: -223 BTC — sellers had the edge.
BTC price (blue) and trading volume (cyan bars) per minute. Session shading: Asia (gold 00-08 UTC), Europe (green 08-14), US (red 14-00).
Flow Analysis
Large-player activity detected: 43 bars with trade sizes 3σ+ above normal (peak: 9.6σ) between 00:13–22:57 UTC. Whale flow netted 19 BTC of buying.
This was day 3 of consecutive net selling. Multi-day streaks reflect sustained conviction, not noise.
Cumulative buying pressure (purple, left axis) vs cumulative price return (yellow, right axis). When these diverge, flow and price are telling different stories.
Session Breakdown
Strip out Asia and the day would look flat. That session alone contributed 70% of the net flow (391 BTC selling).
Morning and afternoon traded like two different markets. Sellers led early (-326 BTC), buyers dominated late (+104 BTC).
Across sessions: Asia +0.55%, Europe +0.30%, US -0.31% — with Asia doing the heavy lifting.
| Session | Hours (UTC) | Return | Net Flow | Flow Share |
|---|---|---|---|---|
| Asia | 00:00 - 08:00 | 0.55% | -391 BTC | 70% |
| Europe | 08:00 - 14:00 | 0.30% | 114 BTC | 20% |
| US | 14:00 - 00:00 | -0.31% | 55 BTC | 10% |
Per-minute volume split by aggressor side. Green = actively bought at the asking price. Red = actively sold at the bid price.
Regime Context
Nothing unusual for a chop-regime day. The +0.54% return was consistent with the period's average of +0.10%.
Related Days
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