Friday · Minute-level BTC order flow from Binance · 1,819,744 trades
On Friday, September 24, 2021, Bitcoin lost 4.6% to $42,811. Net flow: -208 BTC — sellers 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).
Large-player activity detected: 25 bars with trade sizes 3σ+ above normal (peak: 5.6σ) between 00:35–15:55 UTC. Whale flow netted 159 BTC of buying.
A volatile day: 10.1% range from $40,675 to $45,200. Wide ranges like this create opportunities but also traps for directional traders.
Cumulative buying pressure (purple, left axis) vs cumulative price return (yellow, right axis). When these diverge, flow and price are telling different stories.
Morning and afternoon traded like two different markets. Buyers led early (+47 BTC), sellers dominated late (-255 BTC).
Across sessions: Asia -0.10%, Europe -6.67%, US +2.34% — with Europe doing the heavy lifting.
| Session | Hours (UTC) | Return | Net Flow | Flow Share |
|---|---|---|---|---|
| Asia | 00:00 - 08:00 | -0.10% | -240 BTC | 18% |
| Europe | 08:00 - 14:00 | -6.67% | -543 BTC | 40% |
| US | 14:00 - 00:00 | 2.34% | 575 BTC | 42% |
Per-minute volume split by aggressor side. Green = actively bought at the asking price. Red = actively sold at the bid price.
This day sat within a bear regime. The -4.58% return tracked the regime average of -0.27%.
Days with similar flow patterns and market conditions.
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