The copy factor (also called the copy multiplier) is a per-client setting that scales every order replicated from a master account.
How It Works
If the master account buys 1 lot and a client’s copy factor is set to 2, that client buys 2 lots of the same instrument. Set the copy factor to 0.5 and the client buys half a lot’s worth (rounded per the broker’s lot-size rules). Every client account can have its own independent multiplier, so the same master trade can be scaled differently across each connected account based on its available capital.
Why It Matters
A multiplier that’s too aggressive for a given account’s capital can turn a manageable move on the master account into a disproportionately large one on the client account — multipliers scale gains and losses equally. Set conservative multipliers rather than maximizing scale, and review your execution logs regularly. See Risks of Copy Trading Every Investor Should Know for more on this.
Setting the Copy Factor
The copy factor is set per client when you add a client account, and can be adjusted at any time from Manage Accounts.
Multipliers and Strategy
The multiplier is also what lets a single strategy on a master account fit accounts of different sizes without changing how the strategy itself is traded. For how this plays into a broader copy trading strategy, see Copy Trading Strategies: A Practical Guide.
Frequently Asked Questions
What is a copy factor?
Copy factor is a multiplier on the master's trade quantity. If the master buys 1 lot and the copy factor is 2, the client buys 2 lots. Use decimals like 0.5 for half quantity.
Can each client have a different multiplier?
Yes. Every client account can have its own independent copy factor, so the same master trade can be scaled differently across each connected account based on its available capital.
Where do I set the copy factor?
The copy factor is set per client when you add a client account, and can be adjusted at any time from Manage Accounts.
Key Takeaways
- The copy factor is a per-client multiplier applied to every order replicated from that client's master account.
- A copy factor of 2 doubles the master's quantity; a copy factor of 0.5 halves it, rounded to the broker's lot-size rules.
- Multipliers scale gains and losses equally — a factor set too high for an account's capital turns a normal move into a disproportionate one.
- Each client account's multiplier is independent, so the same master trade can be sized differently per account.
Conclusion
The copy multiplier is the one setting that decides how a single trade on your master account turns into appropriately sized positions across every client account. It's simple to set, but it's also the setting with the most direct effect on risk — because a multiplier scales outcomes mechanically, not intelligently, it's worth setting conservatively and reviewing regularly rather than maximizing it for size.
Set your copy multipliers once your accounts are connected and watch trades replicate at the size you choose.
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