What is Algorithmic Trading (Algo Trading)?
Crypto Glossary Definition
A strategy of using software to strategically buy and sell assets. This software is commonly referred to as a 'trading bot' or an 'algorithmic trading bot'.
Why Algorithmic Trading (Algo Trading) Matters
Algorithmic trading dominates crypto markets far more than most retail traders realize — a large share of exchange volume comes from bots executing pre-programmed strategies at speeds no human could match, which is part of why crypto price action can look erratic on short timeframes.
Algorithmic Trading (Algo Trading) in Practice
A quantitative developer at a small crypto trading firm builds a bot designed to exploit tiny, recurring price discrepancies between a coin's spot price and its perpetual futures price across two exchanges. Instead of manually watching charts, the bot continuously polls both order books through an API, calculates the spread in milliseconds, and automatically fires buy and sell orders the instant the gap crosses a profitable threshold, closing the position again once prices converge. Running unattended around the clock, it executes hundreds of small trades a day, far more than any human could manage by clicking through an exchange interface, and each trade captures only a fraction of a percent, with profitability coming from volume and consistency rather than any single large win. When the developer later checks community trading forums, they realize a substantial share of the daily volume on major exchanges comes from similar bots run by other firms, all competing over the same fleeting inefficiencies, which explains why prices sometimes snap back into alignment within seconds of diverging and why manual traders relying on the same simple arbitrage idea rarely find any edge left by the time they try to act on it. Algorithmic trading, in this sense, quietly shapes much of the market's short-term behavior.
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