BTC Flow Analysis — August 20, 2021 BULL
Friday · Minute-level BTC order flow from Binance · 1,950,404 trades
Summary
On Friday, August 20, 2021, Bitcoin exploded +5.5% higher to $49,322. Net flow: +2,601 BTC — buyers 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
16 bars of outsized trades (peak 7.3σ) appeared between 01:53–22:56 UTC, with whale flow netting 345 BTC of selling.
A clean, flow-driven day. The 0.95 correlation between cumulative flow and price means buying pressure was the dominant force — no hidden passive flow muddying the signal.
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
Across sessions: Asia +0.16%, Europe +2.04%, US +3.21% — with US doing the heavy lifting.
| Session | Hours (UTC) | Return | Net Flow | Flow Share |
|---|---|---|---|---|
| Asia | 00:00 - 08:00 | 0.16% | 817 BTC | 31% |
| Europe | 08:00 - 14:00 | 2.04% | 366 BTC | 14% |
| US | 14:00 - 00:00 | 3.21% | 1418 BTC | 55% |
Per-minute volume split by aggressor side. Green = actively bought at the asking price. Red = actively sold at the bid price.
Regime Context
With +2,601 BTC of net flow (+1.5σ), buying pressure ran above the bull-regime baseline of -386 BTC.
The buying streak extended to 3 days. Streaks this long suggest a structural flow, not just intraday traders flipping positions.
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