Several funded accounts
Per-account sizing is non-negotiable, because you are keeping several accounts inside several rulebooks at once.
See the prop firm pageBuyer's guide
How to judge a trade copier.
Every copier on the market claims the same three things: fast, reliable, easy. None of those are checkable before you buy. These six questions are, and they sort the field faster than any feature table.
The six questions
Ask a vendor these and you will learn more in five minutes than a comparison page will tell you in an hour. Our answers are here; hold anyone else to the same ones.
- Does it mirror partial fills?
- A larger order rarely fills in one piece. A copier that only sees the final position leaves your other accounts at the wrong size for the duration of the fill, and sometimes after it. Quanify mirrors every partial on its own execution id.
- What happens when the broker retransmits?
- Brokers resend. Without de-duplication keyed on the execution, a resend becomes a second position on every follower at once. Quanify de-duplicates per execution for 60 seconds per account — keyed on the execution, never the order, so a partial is never mistaken for a duplicate.
- Can it size per account?
- Copying one-for-one across accounts of different sizes is how evaluations get breached. This is not a premium feature, it is the entire point. Whole-number multipliers, applied before the order leaves.
- Does anything have to stay running?
- If the copier is a program on your desktop, its uptime is your uptime — which is why so much copier advice is really advice about renting a VPS. Quanify holds the broker session server-side.
- What does it do to open positions when you stop it?
- Some tools flatten. Quanify never closes a position on your behalf — not on power-off, not on cancellation, not when a group is deleted.
- Where does the state live?
- If "muted" or "linked" is stored in your browser, a phone and a desktop can disagree about what is armed. It belongs with whatever places the orders. Quanify's mute and routing are engine-held.
The latency claim, taken apart
Every copier markets a millisecond number and almost none of them say what it measures. It is worth being precise, because the honest version is less flattering and more useful.
End to end, a leader fill reaches a follower in roughly 50 to 200 milliseconds on any competent platform. Almost all of that is your broker: the round trip that reported the fill, and the round trip that placed the follower's order. That part is not a competitive difference — it is someone else's matching engine and the speed of light.
What a platform controls is what it adds on top. Quanify's own contribution — matching the fill, sizing every follower, dispatching — is measured in microseconds, under a tenth of a percent of that round trip.
So the rule when comparing: no copier is faster than your broker, because none can place an order the broker has not accepted yet. A vendor claiming otherwise is either including the broker in a number they call their own, or telling you something that is not true. Ask what the number excludes.
Broker reports the fillA network round trip you do not control. Tens of milliseconds.Broker
Platform matches and sizesContract resolution, multiplier, the double-entry guard.µs
Broker accepts the orderAnother round trip you do not control. Tens of milliseconds.Broker
What a vendor can improveOnly the middle row. Judge them on that, and on what they do when it goes wrong.
What a feature table will not tell you
Feature rows compare the happy path, and the happy path is identical everywhere. Products diverge on the failure cases, which is exactly what nobody advertises.
So the more revealing question is not "does it support Tradovate" but "what does it do when the session drops mid-fill". Not "can it size per account" but "what happens when a signal asks for more than the ceiling — is it refused, or quietly trimmed". Quiet trimming is how people end up mis-sized without ever being told.
The other thing a table hides is what a tool does by default. In Quanify every follower you add lands disabled, every strategy is created powered off, and a trader will not report itself armed until the engine confirms the routing. Configuring is not arming. That is a design decision that never appears as a row in a comparison, and it is the one that prevents the expensive mistake.
Match the tool to your actual situation
"Best" depends entirely on which of these you are, and they want different things.
One strategy, many accounts
You want automation rather than copying — a webhook driving every account directly, with sizing and risk applied per account.
See automationManual trading, several accounts
You want the copier proper: trade the account you watch, let the rest follow. No strategy, no webhook, nothing about your process changes.
See Copy TraderJudge it yourself in a week
None of this requires funded money, and it settles the question better than any review.
Point the leader and followers at simulated or evaluation accounts. Place an order large enough to fill in pieces and watch whether every follower is correct at each step, not just at the end. Mute one account and confirm the rest carry on. Stop the copier while holding a position and see whether anything gets closed that you did not close.
A tool that passes those four is a tool worth paying for. Nothing about the configuration changes when you later point it at a funded account.
Common questions
What is the best trade copier for futures?
It depends on what you are doing — mirroring your own accounts, or running a strategy across them. Rather than a ranking, judge on six things: partial fill handling, de-duplication on retransmission, per-account sizing, whether anything must stay running, what happens to open positions when you stop it, and where the armed/muted state is stored.
What is the fastest trade copier?
Any honest answer is "they are all about the same, because the broker dominates". End to end a copy takes 50-200ms and nearly all of it is your broker's round trip in each direction. No copier can place an order the broker has not accepted yet. Ask what a vendor's latency number excludes.
Do I need a VPS for a trade copier?
Only if the copier is a desktop application, in which case its uptime is your uptime. Cloud copiers like Quanify hold the broker session server-side, so nothing runs on your machine.
What is the most important feature in a trade copier?
Per-account sizing, closely followed by partial fill handling. Copying one-for-one across accounts of different sizes is the single most common way people breach an evaluation, and a copier that misses partials leaves your accounts holding sizes the leader does not have.
How can I test a trade copier before paying?
Run it on simulated or evaluation accounts through real sessions. Check a partial fill lands correctly at each step, that muting one account leaves the others alone, and that stopping the copier does not close anything you are holding.
Should a trade copier close my positions when I turn it off?
No, and it is worth checking before you rely on one. Stopping a copier should stop new orders, not liquidate your book. Quanify never closes a position on your behalf under any circumstance.
More on copy trading
One fill, mirrored across every account you own.Mirror one leader account across every futures account you own, scaled per follower. Direct broker rails, execution-level de-duplication on every fill.Free copiers exist. Here is where the cost reappears.Free copiers exist and some are fine. What the free tier usually omits, where the cost reappears, and how to test a paid one without paying.Is copy trading legit?Mirroring your own futures accounts is ordinary trading with the typing removed. What the question means, and where the real constraints are.One fill. Every account you own.A cloud trade copier for futures. One leader fill mirrors to every account you own, sized per account, with no VPS and no desktop app to keep running.One account leads. The rest of yours follow.Copy trading means one of your accounts leads and the rest follow. How mirroring works across multiple futures accounts, and why sizing matters.
Start on a simulated account.
Connect a sim or evaluation account and run the whole product against it before you point anything at live money. Nothing about the setup changes when you do.