BTC Flow Analysis — October 19, 2025 CHOP
Sunday · Minute-level BTC order flow from Binance · 3,205,640 trades
Summary
Bitcoin ground out a +1.36% gain on Sunday, October 19, 2025, closing at $108,643 as sellers controlled aggregate flow with 1,280 BTC of net pressure.
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
Flow said sell, price said buy. The -0.75 correlation between cumulative flow and return tells the story: someone was absorbing the selling quietly while price rose +1.36%.
Sustained large-player selling throughout the day. 32 bars with trade sizes 3σ+ above normal (peak: 13.8σ), spread across 01:19–21:56 UTC. The 336 BTC of whale flow reinforced the day's selling bias.
Net selling for 7 straight days. Whether it's institutional positioning or sentiment-driven, the directional bias was persistent.
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
Session returns: Asia -0.37%, Europe +1.23%, US +0.51%. Europe led the move.
| Session | Hours (UTC) | Return | Net Flow | Flow Share |
|---|---|---|---|---|
| Asia | 00:00 - 08:00 | -0.37% | -437 BTC | 34% |
| Europe | 08:00 - 14:00 | 1.23% | -576 BTC | 45% |
| US | 14:00 - 00:00 | 0.51% | -267 BTC | 21% |
Per-minute volume split by aggressor side. Green = actively bought at the asking price. Red = actively sold at the bid price.
Regime Context
Day 2 of a fresh chop regime. The market had just flipped from bull, and the new character was still establishing itself.
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