Guide · Basics
What Is Arbitrage? Profiting From Price Differences, Explained
The same asset trading at two different prices at the same moment sounds like a rare glitch. In practice it happens constantly — and an entire trading strategy is built around closing that gap before anyone else does.
Arbitrage means simultaneously buying an asset where it's cheaper and selling it where it's more expensive, pocketing the difference with — in theory — no directional market risk at all. It doesn't require predicting whether a price will go up or down, only that the same asset is temporarily priced differently in two places at once.
The most common form in crypto is exchange arbitrage: the same coin trading at slightly different prices on two exchanges due to differences in local supply and demand, trading volume, or how fast each platform's order book updates. A trader buys on the cheaper exchange and sells on the more expensive one, closing both legs as close to simultaneously as possible so the price gap doesn't close before both trades execute.
That timing requirement is exactly why arbitrage opportunities are usually small and short-lived. The moment a price gap appears, automated trading bots — built specifically to scan dozens of exchanges for exactly this — tend to close it within seconds, buying up the cheap side and selling the expensive side until the prices converge again. By the time a human trader notices a gap by eye, it has often already closed.
This is also why arbitrage is considered one of the lower-risk trading concepts to study, even if it's difficult to execute profitably in practice given how fast bots compress the opportunity: the profit doesn't depend on correctly guessing market direction, which makes it a useful mental model to understand even for traders who mainly do directional trades in Trade2Spike's Spot or Long Term modes.