Caliber Engine for Apex Trader Funding.
Apex gives you the capital. Caliber Engine gives you the discipline. An autonomous AI engine designed to trade your Apex evaluation or funded account inside the rules — every trade, every day, without emotion.
How the pipeline turns a connected account into autonomous execution.
How Caliber Engine works with Apex
Three steps from a fresh Apex evaluation to autonomous, rule-aware execution.
- Step 01
Connect your Apex account
Link your Apex evaluation or funded account through a webhook bridge that supports futures execution. Your account stays with Apex — the engine only sends instructions.
- Step 02
Configure for Apex's rules
Set your daily loss limit, trailing drawdown buffer, max contracts, and consistency targets. The engine treats these as absolute constraints — it cannot trade outside them.
- Step 03
The engine takes the desk
Caliber Engine scans, decides, sizes, and manages every trade in your Apex account autonomously. You watch from your dashboard.
Why Apex traders choose Caliber Engine
Built around prop firm constraints
Daily loss limits, trailing drawdown, contract caps, consistency targets — the engine treats them as hard rules, not guidelines.
Discipline kills evaluations less often
Most evaluations fail because of emotion. The engine has none. Same plan, same sizing, every trade.
Trade while you sleep, work, or live
Apex evaluations move with the market. The engine runs your account during the hours you cannot.
Pause or disconnect anytime
Hit your daily target? Pause from the dashboard. Want to trade manually for a day? Disconnect. You stay in control.
Designed to respect Apex Trader Funding's rules
Apex Trader Funding is one of the most popular paths to a funded futures account, but the failure rate is brutal — and most of those failures come from violating drawdown rules, blowing through daily loss limits, or breaking consistency targets. Caliber Engine is built to respect those rules absolutely. You configure your daily loss limit, your trailing drawdown buffer, your max contract size, and your consistency target on signup. The engine cannot trade outside those constraints. There is no override.
Powered by Anthropic Claude, the engine evaluates each setup with the same discipline a seasoned prop trader would apply. It sizes contracts to your account size, manages stops mechanically, takes partial profits, and trails runners. Every outcome is logged so the engine's next decision benefits from the last one. The result is a trading process that does not break under pressure — because it has none.
Caliber Engine is designed to comply with Apex Trader Funding's published rules at the time of writing. Apex's rules can and do change. You should always verify your firm's current rules on the Apex Trader Funding website before connecting any automation, including Caliber Engine. Caliber Engine cannot guarantee passing any evaluation, and is not affiliated with Apex Trader Funding.
Common questions
Apex permits automated trading subject to its current rules. Caliber Engine is designed to respect those rules, but you should always verify the latest policies directly with Apex Trader Funding before connecting any automated system.
Further reading
Background from the Caliber blog on the topics behind this page.
Other prop firms we support
Explore more prop firms Caliber Engine connects to.
Trade your Apex account like a desk would.
Connect your Apex evaluation, set your rules, and let Caliber Engine trade with the discipline most traders cannot.
Start engine