Topstep Copy Trading: The TopstepX Trade Copier and Its Rules
How the built-in TopstepX Trade Copier works, the rules it runs under (Combine and XFA only, lowest-MPS lead, $750K buying-power cap), and the two ways it takes out more accounts than you meant to risk: shared loss limits and accidental hedging.
How copy trading works on Topstep: the built-in TopstepX Trade Copier, the rules it runs under, and the two ways it takes out more accounts than you meant to risk.
Short answer: Topstep allows copy trading on the Trading Combine and the Express Funded Account, and TopstepX has a Trade Copier built in (Settings → Copy Trading). You trade one Lead account and it mirrors to your Follower accounts. It's not available on a Live Funded Account. Copying someone else's trades is a different matter: Topstep prohibits coordinated trading with others.
Two things people mean by "copy trading"
- Mirroring your own accounts. You trade one account and the same trades land on your others. One operator, one decision, many accounts. This is what Topstep supports.
- Following someone else. A signal service or another trader's account. Topstep's XFA rules say "Hedging across accounts and coordinated trading with others is prohibited," and the hedging policy says "Trade each account independently based on your own analysis." Don't build on this.
The rest of this post is about the first one.
How the TopstepX Trade Copier works
From the TopstepX help article:
"The Trade Copier lets you mirror trades from a Lead account to 1 or more Follower accounts automatically — so you can run the same strategy across multiple accounts without placing every order manually."
Setup is three clicks: Settings → Copy Trading, pick your Lead, tick your Followers, Save Changes.
The rules worth knowing before you link anything:
| Rule | Topstep's words |
|---|---|
| Stages | "Trade copying is only available for Trading Combine® and Express Funded Account® accounts. Live Funded Account® accounts cannot use the Trade Copier." |
| Which account leads | "The Lead account must have the lowest Maximum Position Size (MPS) of all accounts in the group. Running a 50K, 100K, and 150K? The 50K is your Lead." |
| Size cap on XFAs | Trading across multiple XFAs at once is allowed "up to $750K buying power using a trade copier." |
| Fills | "Executions are mirrored — but exact fill price and timing may vary slightly due to slippage, liquidity, and market conditions." |
| Payouts | "When a Payout request is submitted, Follower accounts are automatically unlinked." |
| Scaling tiers | If Lead and Followers are on different Scaling Plan tiers, "the Trade Copier may disconnect automatically at the start of a new trading day." |
The last two mean the copier can quietly stop copying. Topstep's advice is to check your copy settings at the start of every session. Take it.
The part that bites people
One bad trade, every account. Copying doesn't pool risk, it multiplies it. Topstep spells out what happens on a bad day:
"If the Lead hits its Daily Loss Limit or is auto-liquidated, all Follower accounts are flattened with it and no further trades copy while the Lead is locked out."
And on a worse one: "If the Lead hits its Maximum Loss Limit, the account is permanently violated; unlink the Followers in Settings to trade them independently." Five linked accounts means one mistake shows up five times. Size the Lead's risk as if it's the sum of the group, because in practice it is.
Accidental hedging. Copiers can leave accounts on opposite sides for a moment: one account fills, another lags, you reverse. Topstep's hedging policy covers it directly:
"Technical glitches and copy trading software can create temporary opposite positions — our system accounts for that. But you're still fully responsible for all activity across your accounts, including anything created by automated systems or third-party tools."
Opposing positions in the same or correlated markets (MES/ES, MNQ/NQ) are prohibited "even if the overlap is brief or unintentional," and confirmed violations "are final and cannot be appealed." Rule of thumb: never trade a Follower by hand while it's linked, and flatten fully before you reverse.
What about copying from another platform?
The built-in copier only works inside TopstepX. If you chart and trade in Sierra Chart, the free Sierra Chart to TopstepX copier mirrors the orders you click in Sierra Chart to a TopstepX account through the ProjectX API. Same two rules apply: run it on your own machine, and Combine/XFA only.
Should you copy-trade your Topstep accounts?
For mirroring your own validated system across your own accounts: yes. It's a clean way to scale one good decision, as long as the Lead's risk is sized for the whole group. For following someone else's signals, that's exactly what OPTD argues against, and Topstep's rules agree. Copy an edge you understand. Don't outsource the one part that matters.
Next
- Sierra Chart to TopstepX: the free trade copier →
- Does Topstep allow automated trading? →: the rule at each stage.
- What is ProjectX? →
Topstep quotes retrieved 2026-11-05. Prop rules change; check the linked pages before you act on them.
Running more than one account? The newsletter below covers how the rest of the desk is built. Not signals, not hype.