Imagine a fence around the price: a lowest price and a highest price. Inside the fence the robot builds a ladder of small orders — buy orders on the steps below the current price, sell orders on the steps above it.
Every time the price drops one step, the robot buys a little. Every time it climbs one step, the robot sells what it bought one step lower. Buy low, sell a bit higher, pocket the difference — again and again, day and night. Each finished buy-then-sell is called a closed pair, and its profit is added to your balance immediately. The robot does not predict anything. It just reacts — that is its whole trick.
This is not an always-win game. Here is the honest picture:
- The bot wins when the price wobbles up and down inside your fence. Sideways, choppy markets are its favourite weather.
- The bot waits when the price leaves the fence. Below the fence it sits holding the coins it bought (worth less on paper for now). Above the fence it has sold everything and holds your profit — but it misses any further ride up.
- You can lose. If the price crashes far below your fence and never comes back, the coins the bot bought are worth less than it paid. That paper loss becomes a real loss if you sell.