BTC Flow Analysis — May 19, 2021 BEAR
Wednesday · Minute-level BTC order flow from Binance · 6,331,062 trades
Summary
May 19, 2021: Bitcoin plunged -14.4%. The 17,805 BTC of net selling flow at $36,690 told a clear story — sellers were in charge.
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. 20 bars of outsized trades (6.6σ peak) from 00:11–21:19 UTC, adding 1,582 BTC of selling pressure on top of the broader selling flow.
Net selling for 14 straight days. Whether it's institutional positioning or sentiment-driven, the directional bias was persistent.
A volatile day: 31.7% range from $30,000 to $43,585. 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.
Session Breakdown
Breaking it down by session: Asia -5.78%, Europe -11.13%, US +2.31%. Europe stood out.
| Session | Hours (UTC) | Return | Net Flow | Flow Share |
|---|---|---|---|---|
| Asia | 00:00 - 08:00 | -5.78% | -7480 BTC | 34% |
| Europe | 08:00 - 14:00 | -11.13% | -12565 BTC | 56% |
| US | 14:00 - 00:00 | 2.31% | 2240 BTC | 10% |
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: 17,805 BTC net selling, registering at -6.8σ relative to other bear-regime days. This wasn't noise — it was a directional statement.
At -3.9σ from the regime mean, this -14.38% move was an outlier within the bear period (avg -0.27%).
Unusually heavy volume at 354,347 BTC — +2.4σ above the bear-regime baseline. The market was paying attention.
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