EA and Trading Bot Rules at Prop Firms
Most forex prop firms allow Expert Advisors you built yourself but ban commercial EAs, high frequency trading and exploits, while many futures firms ban bots.
Most forex and CFD prop firms allow Expert Advisors and trading bots, but usually only ones you built yourself to run your own strategy. Commercial or shared EAs, high frequency trading, tick scalping and tools that exploit the simulated environment are banned almost everywhere, and several futures firms prohibit automation outright. The rule often changes between the evaluation and the funded account, and some firms want approval or a paid add on before an EA can run.
How EA and bot rules work
Firms group automated tools into a few categories, and the rules follow those groups.
- Trade management tools place stops and targets, move stops to break even, close partial positions or calculate position size. These are allowed at almost every firm that allows any automation, and at some firms they are the only automation allowed.
- Self built EAs open and close trades by themselves using a strategy the trader designed. Many forex and CFD firms allow these, sometimes with conditions.
- Commercial or shared EAs are bought, rented, licensed or passed around. Firms dislike them because the same code places the same trades across many accounts at once, which concentrates risk on one strategy and says nothing about the individual trader’s skill.
- Exploitative automation covers high frequency trading, tick scalping, latency arbitrage and tools designed to profit from delayed or inaccurate prices on a simulated feed. Firms that address these practices prohibit them.
Firms also watch the load an EA places on their servers. A bot that sends thousands of orders a day can be flagged for hyperactivity even if its strategy is otherwise allowed.
Worked example
A trader wants to run a self built EA on a made up $100,000 example account at an imaginary firm. The account has a 5% daily loss limit ($5,000), a 10% maximum loss and a funded stage rule banning trades within five minutes of high impact news. The firm allows self built EAs but sets a minimum holding time of two minutes per trade. Before buying, the trader compares the EA’s backtest with the rules.
| Check | EA behaviour | Account rule | Result |
|---|---|---|---|
| Risk per trade | 0.75% ($750), up to 4 positions at once | No cap stated | Up to $3,000 at risk at one time |
| Worst day in the backtest | Loss of $6,100 | Daily loss limit of $5,000 | Would have breached the account |
| Holding time | Median trade lasts 40 seconds | Minimum 2 minutes | Most trades break the rule |
| News | Trades through releases | Funded ban 5 minutes either side | Would violate once funded |
The EA is allowed in principle and would still fail. Cutting risk to 0.5% per trade scales the worst backtest day to about $4,070, which clears the limit by less than $1,000, so the trader also adds an equity guard that closes everything and stops trading after a $3,000 loss in a day. A news filter and a minimum holding time complete the changes. The point is that permission to use an EA is only the first check; the EA must also be built to live inside the account’s limits.
How firms differ
The rules below are those published by each firm in September 2026. Firms change them often, so confirm the current version before you buy.
FTMO allows EAs but warns that a third party EA may already be in use by other traders, which can bring an account into conflict with its maximum capital allocation rule. Its platform servers are limited to 200 orders at a time and 2,000 positions per day, and the firm may ask a trader to adjust an EA that makes the account hyperactive.
Blueberry Funded bans EAs on synthetic accounts. On other accounts an EA must be built by the trader, run the trader’s own strategy and be approved by support before use; commercial, rented, shared and commissioned EAs are not allowed.
Orion Funded permits EAs only for risk and trade management, such as stops, targets, break even, trailing stops, partial closes, position sizing and drawdown protection. Third party EAs, signal generating or autonomous bots, high frequency trading and tick scalping are prohibited, as is automation above 2,000 server requests a day.
Hola Prime allows EAs and bots only on MetaTrader 5 with its paid EA add on, not on cTrader, Match Trader, TradeLocker or Direct accounts, and the strategy must be declared.
Top One Trader allows a trader’s own unique EAs during challenges only. EAs, bots and external API tools are not allowed on funded or instant accounts, so an automated strategy that passes the challenge cannot continue unchanged.
ThinkCapital allows EAs by default on MetaTrader 5 accounts, which may need activation by support; otherwise an EA needs written approval from the risk team or a paid algo add on. Leveraged allows self built EAs under the trader’s control and bans commercial EAs that are bought, rented, licensed or publicly distributed.
Futures firms lean towards stricter rules. Funded Futures Family does not permit bot or algorithmic trading. YLOS Trading bans automation of any kind except its own Order Replicator. The5ers Futures forbids high frequency and algorithmic trading. GOAT Funded Futures allows a trader’s own automated strategies on its EOD, 1 Day Pass, Flex and Instant Classic plans, but not on Daily Payouts or Instant Lite.
| Firm | Own EA | Main condition |
|---|---|---|
| FTMO | Allowed | Server limits; third party EAs risk allocation limits |
| Blueberry Funded | Allowed with approval | Self built, own strategy, approved by support |
| Orion Funded | Management tools only | No autonomous bots; 2,000 server requests a day |
| Hola Prime | Allowed with add on | MetaTrader 5 only; strategy declared |
| Top One Trader | Challenges only | Not allowed on funded or instant accounts |
| Funded Futures Family | Not allowed | No bots or algorithmic trading |
| YLOS Trading | Not allowed | Only the firm’s Order Replicator |
Common mistakes
- Buying an EA that others also run. A commercial EA places identical trades across every buyer’s account, which is exactly the pattern firms look for. Several firms ban them outright, and the rest can apply allocation limits to the shared strategy.
- Assuming the evaluation rule applies once funded. Top One Trader is one example where EAs are allowed in the challenge and banned on the funded account.
- Running an EA without the required approval or add on. Blueberry Funded wants support approval, Hola Prime needs a paid add on and ThinkCapital may need activation or written consent.
- Leaving out a news filter. An EA that trades through releases can break a funded account news rule on its own, as explained in prop firm news trading rules.
- Ignoring the daily loss reset. An EA that measures its daily loss from your local midnight rather than the firm’s reset time can keep trading after the account’s limit has been used up.
- Using grid or martingale logic. Averaging into losing positions is banned at many firms and is the fastest way to reach a daily loss limit.
How to trade within EA rules
Get written confirmation from support that your specific EA is allowed on the specific account type, both in the evaluation and once funded, and keep the reply. Keep evidence that the strategy is yours: the source code, a description of the logic and your own backtests. Firms that ask about an EA usually want to know who built it and whether anyone else is running it.
Build the account rules into the EA rather than relying on yourself to intervene. The essentials are an equity guard that stops trading before the daily limit, a check against the maximum loss floor, a news filter, a minimum holding time where the firm sets one and a cap on orders per day. Test the finished version on a demo account set to the firm’s server time before it touches an evaluation. General risk sizing for automated and manual trading is covered in how professional traders manage risk.
If you run one EA across several accounts, read the firm’s copy trading rules as well, because a trade copier or the same EA on multiple accounts can fall under them; see copy trading rules at prop firms. How firms spot automated patterns they do not allow is explained in how prop firms detect rule violations, and firm by firm policies are listed in the forex and CFD and futures directories and the prop firm rules hub.
Checklist
- Are EAs allowed on this account type in the evaluation and in the funded stage?
- Does the EA need approval, activation or a paid add on?
- Which platforms support EAs at this firm?
- Did you build the EA, and can you show it?
- Does the EA respect the daily loss limit, maximum loss, news windows and any minimum holding time?
- Does the order rate stay well below the firm’s server limits?
- If the EA runs on several accounts, do the copy trading rules allow it?
Frequently Asked Questions
Can I use an Expert Advisor at a prop firm?
At many forex and CFD firms, yes, provided you built it and it runs your own strategy. FTMO, ThinkCapital and Leveraged allow EAs with conditions, while Orion Funded allows only trade management tools. Many futures firms, including Funded Futures Family and YLOS Trading, ban automation. Always check the rule for the account type and stage you are buying.
Why do prop firms ban commercial EAs?
A commercial EA runs the same code for every buyer, so a firm can end up with hundreds of accounts placing identical trades. That concentrates risk on one strategy and shows nothing about the individual trader. FTMO warns that third party EAs may conflict with its capital allocation rule, and firms such as Blueberry Funded and Leveraged ban them outright.
Are trade management tools treated as EAs?
They are automation, but most firms treat them more leniently. Tools that set stops and targets, move stops to break even, close partial positions or size trades are usually allowed. Orion Funded, for example, permits EAs only for these purposes. A tool that opens trades by itself, or generates signals, falls under the stricter EA rules.
Can I run the same EA on several prop firm accounts?
Sometimes, but it may count as copy trading and it may hit allocation limits. Firms that allow copying between your own accounts often allow the same EA across them, within their maximum allocation. Firms that ban trade copiers, or cap capital per strategy, may treat several accounts running one EA as a single strategy and limit or refuse it.
What happens if my EA breaks a prop firm rule?
The account is treated exactly as if you had placed the trades by hand. An EA that breaches the daily loss limit, trades inside a news window or holds positions for less than a required minimum exposes the account to the same penalties. Firms may also ask you to adjust an EA that sends too many orders, as FTMO does for hyperactive accounts.
