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Derivatives 2 min read

Taker Flow — Buy vs Sell Pressure

Also known as: Taker Buy/Sell Ratio, Aggressor Flow, Market Buy vs Sell

Net aggressive buying vs selling from market takers — who is willing to pay the spread right now, longs or shorts.

What Taker Flow measures

Every trade on a crypto exchange has two sides: a maker (the resting limit order) and a taker (the order that crosses the book and gets filled immediately). Makers show where people might want to trade; takers show who is actually paying to get in or out right now.

Taker Flow compares the two:

  • Taker Buy Volume — volume of market orders that hit the ask
  • Taker Sell Volume — volume of market orders that hit the bid
  • Ratio above 1 = buyers in control, below 1 = sellers in control

On Exum the Taker Flow subchart plots the ratio centered around zero, with green bars for net aggressive buying and red for net aggressive selling.

How to read it

PatternInterpretation
Sustained green bars + rising priceHealthy trend, real demand
Sustained green bars + flat priceBuyers being absorbed — likely distribution into rally
Sustained red bars + falling priceReal selling, trend has fuel
Sustained red bars + flat priceSellers being absorbed — likely accumulation into dip
Spike in red during rallyShort-term exhaustion — watch for pullback

Where the data comes from

Taker data comes from perpetual futures exchanges (Binance, Bybit, OKX). Spot exchanges rarely publish a comparable stream, which is why Taker Flow is technically a derivatives signal — but it proxies spot demand extremely well because most price discovery happens on perps.

Taker Flow vs other order-flow tools

  • Funding Rate — tells you whether longs or shorts are paying to keep positions open. Slow.
  • Open Interest — tells you how much money is currently at risk. Medium.
  • Taker Flow — tells you who is pressing the button right now. Fast.

Combine them for a full picture: rising OI + positive funding + positive taker flow = leveraged long frenzy, often near a top.

Frequently asked

What is a "taker"?
The side of a trade that crosses the spread — a trader who hits an existing resting order instead of placing a new one. A market buy order is a taker buy; a market sell is a taker sell.
Why is the taker ratio useful if total volume is the same?
Total volume tells you activity. Taker flow tells you intent. A quiet market where every trade is an aggressive buy is far more bullish than a noisy market where buys and sells cancel.
Does positive Taker Flow mean price will go up?
Not mechanically. Persistent aggressive buying that fails to push price higher is a warning sign — it means sellers are absorbing all of it. Context matters.