Open
$59,860
Close
$63,575
Return
+6.21%
Net Flow
+476 BTC
Volume
82,849 BTC
Buy/Sell Ratio
1.01

Summary

On Tuesday, April 13, 2021, Bitcoin ripped +6.2% to the upside to $63,575. Net flow: +476 BTC — buyers had the edge.

BTC price and volume for April 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

Someone was moving size. 7 bars between 00:22–17:05 UTC registered trade sizes 3σ+ above normal (peak: 8.0σ), pushing 137 BTC net buying.

Cumulative flow vs return for April 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

Strip out Europe and the day would look flat. That session alone contributed 63% of the net flow (1,129 BTC buying).

Morning and afternoon traded like two different markets. Buyers led early (+1,388 BTC), sellers dominated late (-912 BTC).

Across sessions: Asia +1.99%, Europe +2.84%, US +1.25% — with Europe doing the heavy lifting.

Session Hours (UTC) Return Net Flow Flow Share
Asia 00:00 - 08:00 1.99% -501 BTC 28%
Europe 08:00 - 14:00 2.84% 1129 BTC 63%
US 14:00 - 00:00 1.25% -152 BTC 9%
Buy vs sell volume for April 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: +6.21% return sits at +2.1σ from the bull-regime average of +0.34%. Days like this are rare within this regime.

Patterns: bull whale-activity flow-reversal europe-dominated outlier-return

Related Days

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Oct 06, 2021CHOP
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Feb 28, 2022BULL
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Mar 09, 2022BULL
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