Open
$44,400
Close
$47,800
Return
+7.66%
Net Flow
+2,497 BTC
Volume
48,239 BTC
Buy/Sell Ratio
1.11

Summary

Bitcoin closed at $47,800 on August 13, 2021 after exploded 7.7% higher. Aggressor-side flow netted +2,497 BTC, favoring buyers.

BTC price and volume for August 13, 2021

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: 16 bars with trade sizes 3σ+ above normal (peak: 7.8σ) between 06:30–20:50 UTC. Whale flow netted 287 BTC of selling.

From $44,217 to $47,886 — a 8.3% range that forced both bulls and bears to respect the volatility.

A clean, flow-driven day. The 0.93 correlation between cumulative flow and price means buying pressure was the dominant force — no hidden passive flow muddying the signal.

Cumulative flow vs return for August 13, 2021

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

The Asia session posted the largest move. Full breakdown: Asia +3.84%, Europe +0.93%, US +2.73%.

Session Hours (UTC) Return Net Flow Flow Share
Asia 00:00 - 08:00 3.84% 759 BTC 30%
Europe 08:00 - 14:00 0.93% 905 BTC 36%
US 14:00 - 00:00 2.73% 832 BTC 33%
Buy vs sell volume for August 13, 2021

Per-minute volume split by aggressor side. Green = actively bought at the asking price. Red = actively sold at the bid price.

Regime Context

A statistical outlier: +7.66% return sits at +2.6σ from the bull-regime average of +0.34%. Days like this are rare within this regime.

Patterns: bull whale-activity outlier-return high-volatility

Related Days

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