EOD vs intraday trailing drawdown — the update cadence that decides whether a green day can still fail you.
Trailing drawdown sets a floor under your account from a high-water mark, but not every firm moves that floor the same way. Check current firm rules — the same account size at two firms can behave like two different risk profiles.
- EOD trailing updates from the session close
- Intraday trailing can ratchet on open equity peaks
- Copied accounts need their own floor, not the leader's buffer
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EOD
End-of-day trailing drawdown
With EOD trailing, only your official session close updates the drawdown floor. An open position can be up $2,000 at 10:15 AM ET and give back $1,500 by the bell — the floor moves based on where you finish, not the intraday peak.
That forgiving cadence still has teeth: a string of higher closes ratchets the floor up over days, and a single bad close can breach the limit even if you were flat most of the session.
Intraday
Intraday (real-time) trailing drawdown
Intraday trailing tracks unrealized equity while the market is open. If ES spikes your open position to a new high-water mark, the floor can move up immediately — even if you close for a smaller realized gain minutes later.
This is why profitable traders blow funded accounts on green days: the peak you touched becomes the new reference, and the buffer you thought you had was already consumed.
Confusion
Why traders mix the two up
Marketing pages and video summaries often say trailing drawdown without specifying the update cadence. Traders configure mental alerts for end-of-day balance when their account actually marks peaks tick-by-tick.
Static drawdown, EOD trailing, and intraday trailing get lumped together in spreadsheets. Each needs a different model for position sizing and when to take profit.
Copying
Implications when you copy trades
A leader account with wide trailing buffer can fire a copy signal that puts a smaller follower inside its last few hundred dollars of room — especially under intraday trailing where open P&L counts.
Per-account risk enforcement matters here: one group's signal is not safe for every account in the book. Each follower needs its own trailing limit, buffer readout, and auto-flatten when the floor is touched.
MimikTrader evaluates trailing drawdown on live ticks, flattens on breach, and keeps the rest of the group running when one account locks.
In a live trade
What happens when one account breaks a rule?
One leader trade. Five follower accounts. One breach. Here is what MimikTrader does about it.
Copy group · 1 NQ contract leader trade
After breach event
Account
Firm / size
Status
Day P&L
Account 01
Apex 50K Eval
Active+$420
Account 02
Topstep 50K Funded
Active+$380
Account 03
MFFU 50K Eval
Locked-$1,000
Account 04
Bulenox 100K Eval
Active+$840
Account 05
Tradeify 50K Eval
Active+$420
Step 01
Trade copied across five accounts
You place a trade on the leader account. MimikTrader sends the correct order to each follower based on its copy settings.
Step 02
One account reaches its daily loss limit
Account 03 hits the configured daily loss threshold while the copied position is still live.
Step 03
MimikTrader flattens the affected account
The breached account is closed according to your configured flatten rule.
Step 04
The account is locked
New copied trades are blocked from entering that account until the lock is cleared.
Step 05
Other accounts keep running
Accounts 01, 02, 04, and 05 continue following the copy group because they did not breach their rules.
Step 06
The event is recorded
The fill, breach, flatten action, account lock, and timestamp are written to the trade record.
Habits that survive both types
- Know your current floor before every entry, not after
- Under intraday trailing, partial profit often beats giving back a peak
- When buffer is thin, cut size or sit out
- Run the recovery calculator so you respect how hard climb-backs are
Trade like your drawdown updates every tick — because on many accounts, it does
Set per-account trailing limits, watch the live floor, and auto-flatten before a silent intraday peak turns a winning session into a failed account.
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