The -3% daily halt: why Apex1819 stops trading before you lose more

When portfolio daily P&L hits -3% of account value, Apex1819 stops generating new trade proposals for the rest of the trading session. This is not a configurable soft limit or a warning. It is a hard stop built into the orchestration layer that drives every trading cycle. Existing positions stay open; no forced liquidation happens. But no new entries are made until the following session begins.

There is a second, more serious halt at -10% cumulative drawdown from account equity high. This one persists beyond the session and requires your manual confirmation to resume. Both thresholds are hardcoded, not configurable, and that is a deliberate design choice — not an oversight. Circuit breakers that can be turned off by the people who most need them are not circuit breakers. They are suggestions.

Why -3% is the right threshold

The -3% daily halt is the empirical industry standard used by professional trading desks as a session circuit breaker. It is not an arbitrary number. A day that loses 3% of account value is painful — but a 3% loss is recoverable over a normal trading horizon without requiring extraordinary recovery performance. A day that spirals to -6%, -8%, or -10% is a categorically different event.

Statistically, days where a well-constructed strategy loses more than 3% are disproportionately likely to represent one of three things: a genuine regime change the system has not yet classified, a data feed anomaly causing mispriced signals, or correlation breakdown — positions that appeared independent moving together in an adverse direction. All three warrant human review before additional capital is committed.

What happens when the halt triggers

When the -3% halt triggers, you will see a notification in the app and the autopilot status chip will display HALTED — DAILY LOSS in amber. The existing open positions remain managed — stop-losses are still active on all bracket orders — but no new signals are proposed and no new orders are placed. The AI continues to run internally (monitoring positions, updating regime, etc.) but the execution arm is disabled.

The halt clears automatically at the start of the next trading session — specifically at the next 9:30 AM ET market open. No action is required from you for the daily halt to clear, though you can review the day's performance in the Performance tab in the meantime.

The -10% drawdown halt

If cumulative portfolio drawdown from the account equity high exceeds -10%, a more severe halt engages. This halt does not clear automatically. It persists until you manually confirm the resume in the autopilot settings page. The reason: a -10% drawdown from peak is a meaningful event that should trigger deliberate human review, not just a sleep-and-reset cycle.

At -10% drawdown, the learning system has almost certainly already begun adjusting analytical weights in response to recent underperformance. The performance tab will show you exactly what changed and why. Review it before resuming. The question to answer is not "should I trust the AI?" — it is "do I understand why these losses happened, and does the explanation make sense given market conditions?" If the answer is yes, resume. If not, investigate further.

Why these aren't configurable

Users occasionally ask whether the -3% or -10% thresholds can be raised — perhaps to -5% daily, or -15% drawdown, for a more aggressive risk profile. The answer is no, and the reason is behavioral, not technical. The traders who most urgently want to raise circuit breaker thresholds are typically the ones currently experiencing a drawdown and looking for a way to trade out of the hole. That impulse is exactly what circuit breakers exist to prevent.

Configurable circuit breakers get disabled at the worst possible time. This is not a hypothetical observation — it is a documented pattern in professional trading. The value of a hard limit comes precisely from its unconditional nature. If the limit can be overridden when it hurts, it provides no protection at the moment protection is most needed. The thresholds chosen (3% daily, 10% drawdown) are conservative enough to protect capital while permitting normal trading variance.

How to resume after a halt

For the -3% daily halt: no action required. The halt clears automatically at the next session open. The autopilot status chip returns to ACTIVE green. If you want to review what happened before trading resumes, visit the Performance tab — the session's trade log and P&L breakdown are there.

For the -10% drawdown halt: navigate to Settings then Autopilot then Resume Trading. You will be shown a summary of the drawdown period — dates, P&L, top losing positions, regime that was active, and what the learning system adjusted. You must acknowledge this summary to resume. The confirmation is a feature: it ensures you've seen the information before proceeding, not that you've agreed with anything or waived any rights.