The same copied stop lands on four different drawdown floors
Copy one micro Nasdaq (MNQ) stop to four funded accounts and you have booked $600 of gross stop risk on a single decision. Four accounts, four different trailing-drawdown floors, and on the account holding $130 of room, that same $150 stop ends it before the stop can even fill.
In this guide
The short answer
Start here
Add every seat's stop risk in one currency (a seat is any account receiving the copied order) and treat that sum as one position, because one signal, entry and stop move all of them together. Then divide each seat's stop risk by its remaining drawdown room (current equity minus its trailing floor) and drop any seat where that ratio reaches 100%, because the copied stop-out liquidates that account instead of costing it a trade. Run the copying pattern through the firm's published clause first; permission is a gate the arithmetic cannot open.
What matters
- Sum every copied seat's stop risk before entry and read that one total against both each account's own limit and the most you allow at risk across all accounts at once.
- Divide each seat's stop risk by its remaining room (equity minus trailing floor) and pull any seat at or past 100% before sending the next copied order.
- Check the firm's published copy clause before running the math: copying another person's trades is banned in seven of the eight rulebooks NANO tracks, and identity, platform and hedging conditions attach even where copying your own accounts is allowed.
- Log each seat's stop risk at entry and clear it at close; a stale ticket makes the next gross total fiction.
1
Add the loss paths in one currency
Gross copied-seat stop exposure is the sum of each seat's initial risk at stop. Four seats risking $150 each on the same micro Nasdaq futures (MNQ) entry produce $600, and different account labels do nothing to that arithmetic: when one signal, entry and stop drive every seat, every seat loses together. Micro and mini contracts on the same index count as the same signal, and spreading the seats across four firms reduces firm-specific operational risk (an outage, a payout dispute) while leaving the $600 market loss path untouched.
If one seat runs a different quantity, stop or currency, compute its stop risk separately and add only same-currency values. Never net a long seat against a short seat unless your risk system models the hedge and every firm involved permits it: hedging is banned in all eight rulebooks NANO tracks, and seven of them name hedging across your own accounts explicitly.
2
Divide each stop by the seat's remaining room
A trailing drawdown is a loss floor that follows your peak upward and never comes back down; remaining room is current equity minus that floor. The floor is usually recomputed at the daily close, but the breach test runs live: on funded accounts, five of the eight firms NANO tracks publish that touching the line on open equity liquidates the account in real time, and three do not publish the timing, model those as live too. Published terms commonly stop the trail once the floor reaches the starting balance or a small offset above it, and that lock point is set per plan; where your plan's lock is not published, model the floor as trailing for the account's life.
This is why the gross figure is correct and still incomplete. In the worked example below, the same $150 stop consumes 7.5% of a fresh seat's $2,000 room, 13.6% of a seat holding $1,100, 37.5% of a seat holding $400, and 115% of the seat holding $130. That last seat never reaches the −$150 fill: the account liquidates at about −$130 the moment open equity touches its floor, on a trade the plan graded as one ordinary stop.
The decision this changes is the copy list. Before every copied entry, divide each seat's stop risk by its room and pull any seat at or past 100%, then recheck before the next entry: the floor ratchets up on every new equity peak while equity itself can retrace, so room shrinks between trades without any rule changing.
3
Permission is a separate gate from size
The wrong move is running this arithmetic on a pattern the contract bans. Across the eight firms NANO tracks, copying across your own accounts is permitted at seven and restricted at one, while copying another person's trades (signals, group trades, managed accounts) is banned at seven and not published at one. The conditions attached differ by firm: every account under one verified identity, platform or phase limits on where the copier may run, and hedging bans that reach across the copied seats.
Use Rulebook, the per-firm screen of published terms, for the permission question, then Risk Coach for the self-reported exposure question. A risk calculation cannot legalize a method the contract forbids, and a clean permission check does not size the trade: the $600 gross figure and the per-seat room percentages remain your decision after the clause clears.
Worked example
Assumptions, not a forecastOne MNQ stop across four drawdown states
- Hypothetical: four funded accounts receive the same MNQ entry and stop, with initial stop risk of $150 per seat.
- Hypothetical: each account carries a $2,000 trailing max drawdown whose floor follows the peak upward and is enforced live against open equity.
- Hypothetical remaining room (equity minus current floor) per seat: A $2,000 (fresh), B $1,100, C $400, D $130, four account histories, one copied order.
Gross stop exposure is 4 × $150 = $600. The same stop consumes 7.5% of A's room ($150 ÷ $2,000), 13.6% of B's ($150 ÷ $1,100), 37.5% of C's ($150 ÷ $400) and 115% of D's ($150 ÷ $130), so D is liquidated at about −$130 before the stop fills. One market decision, three surviving seats, one dead account.
Realized loss can exceed the planned $150 per seat through slippage, gaps or a disconnection, and a floor enforced on open equity can trigger mid-trade, seat D can die at worse than −$130.
Tool tutorial
Price the copied order in Risk Coach
- 1
Run the copying pattern through Rulebook first; a banned or not-published clause at any target firm stops the plan there. No exposure number legalizes a banned method.
- 2
In Risk Coach, select the focused account plus every seat receiving the copied decision, and log each seat's initial stop risk once the trade is entered; the tool sums them into gross copied-seat exposure.
- 3
Read the gross figure against each account's limit and against the most you allow at risk across all accounts at once, then divide each seat's stop risk by its remaining drawdown room, a seat at or past 100% comes off the copy list before the next entry.
- 4
At close, clear or update every ticket and recheck each seat's room before the next copied entry; the floor ratchets on new equity peaks, so yesterday's percentages are already stale.
See one decision across every selected seat
Pro Risk Coach adds member-reported open stop risk across copied seats and keeps the focused account’s confirmed limits visible.
Pro tool. The destination handles upgrade or early-access status. This is self-reported exposure, not broker monitoring.
Evidence boundary
What NANO can and cannot know
NANO cannot see live orders, confirm a stop is still working, or read your actual drawdown floor from the broker. Room and exposure figures are computed from the balances and tickets the member records, and they cannot prove that two positions are economically independent.
Common questions
- Does copy trading across different prop firms diversify risk?
- It does not diversify the market risk: when the same instrument, direction and stop drive every seat, every seat loses together, and four $150 stops are one $600 event. Spreading firms can reduce firm-specific operational risk, such as a platform outage or a payout dispute at a single provider.
- Is copy trading allowed on prop firm accounts?
- Copying across your own accounts is permitted at seven of the eight firms NANO tracks and restricted at the eighth; copying another person's trades is banned at seven and not published at one. Conditions differ by firm (same verified identity, platform limits, hedging bans) so read the exact clause in Rulebook before entering.
- How do I calculate total risk on copied trades?
- Add each seat's entry-to-stop risk in the same currency, that sum is your gross exposure, then divide each seat's stop risk by its remaining drawdown room to see which seats an ordinary stop-out would liquidate. In the worked example above, the same $150 stop is 7.5% of one seat's room and 115% of another's.