Trade copier (copy trading between accounts)
A trade copier replicates orders placed on a leader account to one or more follower accounts, each with its own size rule. It is used to trade several evaluation or funded accounts at once, and it multiplies both results and mistakes by the number of accounts.
Senzoukria · Glossary · Updated September 2026
How a copier works
One account leads. When an order is placed or filled there, the copier sends a corresponding order to each follower, sized by a rule: the same quantity, a fixed quantity, or a multiple of the leader's size. Good copiers also replicate modifications, cancellations and protective orders, and handle the case where a follower's order is rejected or filled at a different price.
Every follower is a separate account with its own fills. Latency, a rejected order or a partial fill can leave a follower with a different position from the leader, and exits that are not replicated leave followers exposed.
Prop firm rules on copying
- Many firms allow copying between accounts owned by the same person and forbid copying between different people.
- Some cap the number of accounts that may trade the same signals at once.
- Hedging one account against another, long on one and short on another, is commonly prohibited.
- Accounts trading the same strategy on the same days pass or fail together; copying does not diversify the outcome.
In Senzoukria
The broker account panel contains copy trading groups: a leader account, follower accounts, and per follower a sizing mode (same as leader, fixed contracts or a multiplier) and a maximum quantity per account. Replication is disabled in the current build: the configuration is saved, but no follower order is sent, and the panel states that follower exits and protections are not yet tracked and that manual orders affect only the selected account. The planning logic the feature will use is fixed and tested: only orders placed on the leader replicate, so two groups pointing at each other cannot cascade; a multiplier that does not divide evenly rounds down, and an account that rounds to zero is skipped with its reason shown; the per-account cap is applied last whatever the sizing mode.
In the prop firm simulation, accounts bought on the same day with the same strategy are noted to pass or die together; what decorrelates them is a different start date.
Related
- Copy trading groups
- Funded account
- Automated trading permission
- Maximum contracts
- Monte Carlo on prop accounts
In the same section
- Trade date
- Trade classification
- Trade size
- Busted trade
- Trade summary
- TAS
- Trade tagging
- TPO POC vs volume POC
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Frequently asked questions
- Is copy trading allowed on prop firm accounts?
- It depends on the firm and on whose accounts are involved. Copying between your own accounts is often permitted within a cap on the number of accounts; copying another person's trades or sharing signals across people is often forbidden. Read the account agreement.
- Why can a follower account end up with a different position from the leader?
- Because each account is filled separately. A rejected order, a partial fill, a late message or an exit that was not replicated all leave the follower out of step, and the copier must detect and report the difference rather than assume it.