BTC Flow Analysis — August 17, 2021 BULL
Tuesday · Minute-level BTC order flow from Binance · 1,781,303 trades
Summary
Bitcoin sold off -2.6% on Tuesday, August 17, 2021, closing at $44,696 as sellers controlled aggregate flow with 2,399 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
The big players were active all day. 19 bars of outsized trades (7.3σ peak) from 00:19–23:48 UTC, adding 396 BTC of selling pressure on top of the broader selling flow.
Flow and price moved in lockstep (correlation: 0.83). Aggressor-side selling translated directly into price movement with minimal resistance.
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
US traders set the tone. 81% of directional flow — 1,953 BTC of selling — came from that single session.
Session returns: Asia +0.10%, Europe +0.93%, US -3.62%. US led the move.
| Session | Hours (UTC) | Return | Net Flow | Flow Share |
|---|---|---|---|---|
| Asia | 00:00 - 08:00 | 0.10% | -455 BTC | 19% |
| Europe | 08:00 - 14:00 | 0.93% | 10 BTC | 0% |
| US | 14:00 - 00:00 | -3.62% | -1953 BTC | 81% |
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 bull-regime day. The -2.63% return was consistent with the period's average of +0.34%.
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