BTC Flow Analysis — September 20, 2025 CHOP
Saturday · Minute-level BTC order flow from Binance · 740,451 trades
Summary
Bitcoin finished near unchanged (+0.05%) on Saturday, September 20, 2025, closing at $115,686 as sellers controlled aggregate flow with 123 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
31 bars of outsized trades (peak 11.9σ) appeared between 00:25–23:53 UTC, with whale flow netting 19 BTC of buying.
Flow reversed midday. The first 12 hours belonged to buyers (+78 BTC), but sellers erased that and then some (-201 BTC) in the back half.
Net selling for 5 straight days. Whether it's institutional positioning or sentiment-driven, the directional bias was persistent.
An unusually tight range: 0.62% from high to low. Compression days like this tend to resolve with a larger move in the days that follow.
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 were muted across the board: Asia +0.29%, Europe -0.05%, US -0.20%.
| Session | Hours (UTC) | Return | Net Flow | Flow Share |
|---|---|---|---|---|
| Asia | 00:00 - 08:00 | 0.29% | 151 BTC | 36% |
| Europe | 08:00 - 14:00 | -0.05% | -121 BTC | 28% |
| US | 14:00 - 00:00 | -0.20% | -153 BTC | 36% |
Per-minute volume split by aggressor side. Green = actively bought at the asking price. Red = actively sold at the bid price.
Regime Context
This day sat within a chop regime. The +0.05% return tracked the regime average of +0.10%.
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