Monday · Minute-level BTC order flow from Binance · 3,510,578 trades
Bitcoin closed at $38,796 on May 24, 2021 after surged 11.9%. Aggressor-side flow netted +1,539 BTC, favoring buyers.
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).
The big players were active all day. 17 bars of outsized trades (6.4σ peak) from 00:22–20:18 UTC, adding 351 BTC of buying pressure on top of the broader buying flow.
The day split in half. Sellers controlled the first 12 hours (-2,235 BTC), then buyers took over (+3,773 BTC). The reversal changed the character of the day.
From $34,031 to $39,920 — a 17.0% range that forced both bulls and bears to respect the volatility.
Cumulative buying pressure (purple, left axis) vs cumulative price return (yellow, right axis). When these diverge, flow and price are telling different stories.
The US session drove 61% of the day's directional flow, with 2,345 BTC of net buying. The other two sessions were comparatively quiet.
The Asia session posted the largest move. Full breakdown: Asia +5.66%, Europe +2.53%, US +3.24%.
| Session | Hours (UTC) | Return | Net Flow | Flow Share |
|---|---|---|---|---|
| Asia | 00:00 - 08:00 | 5.66% | -1150 BTC | 30% |
| Europe | 08:00 - 14:00 | 2.53% | 344 BTC | 9% |
| US | 14:00 - 00:00 | 3.24% | 2345 BTC | 61% |
Per-minute volume split by aggressor side. Green = actively bought at the asking price. Red = actively sold at the bid price.
Even by bear-regime standards, +11.86% was extreme — +3.3σ from the -0.27% average. This wasn't a normal bear day.
Days with similar flow patterns and market conditions.
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