Open
$57,348
Close
$61,672
Return
+7.54%
Net Flow
+5,314 BTC
Volume
82,513 BTC
Buy/Sell Ratio
1.14

Summary

October 15, 2021: Bitcoin ripped +7.5% to the upside. The 5,314 BTC of net buying flow at $61,672 told a clear story — buyers were in charge.

BTC price and volume for October 15, 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

The big players were active all day. 22 bars of outsized trades (7.3σ peak) from 00:29–17:21 UTC, adding 1,053 BTC of buying pressure on top of the broader buying flow.

This was day 3 of consecutive net buying. Multi-day streaks reflect sustained conviction, not noise.

The 10.6% intraday range ($56,850 – $62,933) tells the story of a market in flux. Both sides had their moments.

Price followed flow faithfully (correlation: 0.95). When you see this level of alignment, it means one side is in control and the other isn't even fighting.

Cumulative flow vs return for October 15, 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

Breaking it down by session: Asia +3.28%, Europe +1.23%, US +2.85%. Asia stood out.

Session Hours (UTC) Return Net Flow Flow Share
Asia 00:00 - 08:00 3.28% 3059 BTC 58%
Europe 08:00 - 14:00 1.23% 331 BTC 6%
US 14:00 - 00:00 2.85% 1925 BTC 36%
Buy vs sell volume for October 15, 2021

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

Regime Context

Flow conviction was unusually strong: 5,314 BTC net buying, registering at +3.1σ relative to other bull-regime days. This wasn't noise — it was a directional statement.

A statistical outlier: +7.54% return sits at +2.6σ from the bull-regime average of +0.34%. Days like this are rare within this regime.

Patterns: bull extreme-flow whale-activity outlier-return high-volatility flow-streak

Related Days

Days with similar flow patterns and market conditions.

Jul 18, 2022BULL
+7.85%
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Aug 19, 2022BULL
-10.16%
extreme-flow whale-activity outlier-return regime-end volume-spike high-volatility flow-streak
Dec 11, 2023BULL
-5.79%
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Jan 08, 2024BULL
+6.88%
extreme-flow whale-activity us-dominated outlier-return high-volatility flow-streak
Feb 28, 2024BULL
+9.46%
extreme-flow whale-activity outlier-return high-volatility flow-streak

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