A crypto arbitrage finder is a tool that automatically searches every exchange for the same coin selling at two different prices — and hands you a ready list of gaps worth trading, ranked by real profit.
'Finding' an arbitrage opportunity by hand means opening a dozen exchange tabs, comparing prices coin by coin, and doing fee math faster than the market moves — which no human can do. A finder automates the search: it scans thousands of price points across exchanges every few seconds and only surfaces the gaps that still pay after costs. This page explains how a finder works, how it differs from a scanner or screener, and how to use one to find your first real opportunity.
These words overlap a lot, and most good tools do all three. But the emphasis differs, and knowing it helps you search smarter:
| Term | Emphasis | In one line |
|---|---|---|
| Finder | Discovery | Surfaces opportunities you didn't know existed |
| Scanner | Continuous watching | Constantly sweeps the market in real time |
| Screener | Filtering | Narrows a big list down to your criteria |
In practice ArbiScreen is all three at once: it continuously scans 17 exchanges, finds every live gap, and lets you screen them by net profit, exchange or market type. Whether you call it a finder, a scanner or a screener, the job is the same — turn a chaotic market into a clean, ranked list of tradable opportunities.
A gap between two spot exchanges is only one kind of opportunity. A complete finder looks across every form of arbitrage so you never miss an edge:
| By hand | With a finder | |
|---|---|---|
| Exchanges you can watch | 2–3 realistically | 17 at once |
| Speed | Minutes per check | Every few seconds |
| Fee math | Manual, error-prone | Automatic, net figure shown |
| Opportunities missed | Most of them | Very few |
| Result | Exhausting, unreliable | A clean ranked list |
The takeaway: manual finding is fine for learning the concept, but you cannot compete on speed or coverage. The market simply moves faster than a person can compare prices. A finder levels that playing field.
ArbiScreen is a crypto arbitrage finder that searches 17 exchanges in real time and hands you a ranked list of live gaps — spot spreads, funding-rate extremes, spot-futures bases and geo premiums — each with the net profit after fees already worked out. No opening a dozen tabs, no manual math: the opportunities come to you, sorted best-first.
Filter by exchange, coin or minimum net profit to screen the list down to exactly what fits your capital and risk. The free tier lets you see live finds immediately; Pro unlocks the full list, all exchanges and alerts. Your funds always stay on your own exchange accounts.
The most common opportunity a finder surfaces is cross-exchange arbitrage — the same cryptocurrency trading at different prices on two venues at the same moment. A finder is built for exactly this: it watches multiple exchanges in parallel and flags every cross-exchange gap the instant it appears.
Prices drift apart because each of the major cryptocurrency exchanges — Binance, Coinbase, Kraken, OKX, Bybit and others — has its own order book, liquidity and order flow. Every one of these cryptocurrency exchanges prices assets independently, so when demand spikes on one exchange its price moves before another exchange catches up. Buy the cheaper cryptocurrency on one exchange, sell it on the other, and the spread is your edge — after fees.
Doing this by hand across so many cryptocurrency markets is impossible: prices change every second, and the crypto market never sleeps. Continuous monitoring and scanning across different exchanges is what lets a finder identify and rank live gaps that a human would never spot in time. Strong cross-exchange detection also accounts for withdrawal limits and transfer times between exchanges, so traders only see gaps they can actually capture.
People often confuse a finder with an arbitrage bot. They are not the same thing. A crypto arbitrage bot (a type of crypto trading bot) connects to your exchange accounts through API keys and places trades automatically. A finder does the opposite job: it handles the detection — finding and ranking opportunities — and leaves execution to you. Unlike a passive arbitrage scanner, a bot acts on your funds; a finder only informs.
That distinction matters for safety. Arbitrage bots and other crypto trading bots need trading or withdrawal permissions on your funds; a finder never touches your money. Many traders who get burned by “guaranteed profit” bots would have been better served by a finder plus their own manual execution.
ArbiScreen is a finder, not a bot. It applies transparent filters — minimum spread, fees, liquidity and an exchange whitelist — so you can identify only the gaps worth acting on. Whether you later run an arbitrage bot or trade by hand, the finder is the honest first layer: clean detection, and no custody of your cryptocurrency.
See also: Triangular Arbitrage.