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No wall of theory — just what actually happens when you take a spread on Arbiline, from the moment it appears in the table to the moment profit lands in your PnL.
The same coin trades on many exchanges, and prices drift apart: a news spike, one large market order, thin liquidity — and coin X is suddenly 2% more expensive on exchange B than on exchange A. That difference is the spread, and one coin on two exchanges is a pair. The scanner watches hundreds of coins across 12+ exchanges and prices every spread from real orderbooks — with your trading fees on both sides already included.
You can watch the live table yourself — it is public — or let alerts do the watching: on the Data plan every fresh opportunity lands in the Telegram group as one message with the whole picture: the coin, both exchanges, the spread, volume, funding on each leg, deposit and withdraw status. From the message or the table you open the pair page with the chart and both orderbooks.
In the trading panel you pick the size and the leverage per side. Every number is computed for your actual trade: both orderbooks are walked to your size and your real fee tier is applied. One button sends both orders at once — you are long where it is cheap and short where it is expensive. From this moment direction barely matters: whatever the market does, one leg wins what the other loses. Your profit is the spread itself.
Spreads tend to converge: the prices meet again, usually within minutes or hours. When the exit spread you want is there, one click closes both legs. The journal shows the honest result: the spread you actually captured, minus both exchanges' fees, plus the funding that accrued.
Everything above works in demo mode on every free account: the same table, the same panel, fills simulated against real orderbooks. Learn on a practice balance, switch to real when you are ready.