Step 1 — Data ingestion
The algorithm consumes market data: prices, volume, spreads, and sometimes derived series like volatility, correlation, or order-flow imbalance. The quality and frequency of this data caps the quality of every decision that follows. Algorithms that look at one-minute bars cannot see what a tick-level algorithm sees, and vice versa.
Step 2 — Signal generation
Logic is applied to the incoming data to produce a signal. A simple system might say "go long when the 50-period moving average crosses above the 200-period." A more advanced system runs an ensemble of models — each trained on a different market regime — and only acts when several models agree.
Step 3 — Risk and position sizing
Before the algorithm sends an order, a risk module decides whether the trade is even allowed and how big it should be. Good risk modules consider per-trade risk, correlation across open positions, daily loss limits, and account-level drawdown. Skipping this layer is how most amateur bots blow up.
Step 4 — Order routing
The approved order is sent to the broker over an API. The API only has trading permission — never withdrawal permission. The broker matches the order against the live market and returns a fill confirmation.
Step 5 — Position management
Once the position is open, the algorithm keeps watching: trailing stops adjust, partial profits get taken, and exits trigger when the original thesis fails or the target is hit. This is the part people underestimate — a great entry with poor management is a losing trade.
Step 6 — Logging and auditability
Every signal, every order, every fill is timestamped and stored. This is what lets you independently verify performance later. If a system has no audit trail, you have no way to know whether the screenshots are real.
Where the platform fits in
Most retail traders never see steps 3, 4, and 6 done well, because they're handed a raw bot file and told to "install it on a VPS." A proper platform — like the one bundled with QUEE and ACE — runs the execution, risk, and monitoring layers for you, so you license the strategy and connect your broker, not wire together infrastructure.
Next, see are trading bots actually profitable for the questions that separate real systems from the rest.