TL;DR
MFE = how high the trade went before closing. MAE = how low it went. These reveal if your exits are optimal, if stop-losses are too tight, and whether the signal quality is real or lucky. Professional traders use these; most signal services hide them.
Final P&L tells you the result. MFE and MAE tell you the story.
These two metrics. Used by professional traders and largely ignored by retail. Reveal whether a trading system is actually good or just getting lucky.
Definitions
MFE: Maximum Favorable Excursion
The highest point a trade reached before it was closed.
Example: You buy at $100, the price goes to $108, then drops and you close at $104. Your P&L is +4%, but your MFE was +8%.
MAE: Maximum Adverse Excursion
The lowest point a trade reached before it was closed.
Example: You buy at $100, it drops to $95, then recovers and you close at $103. Your P&L is +3%, but your MAE was -5%.
Why These Matter
MFE Reveals Exit Quality
If your average MFE is much higher than your average winning exit, you're leaving money on the table.
MFE Analysis Example
Trade 1: MFE +12%, closed at +3%
Trade 2: MFE +8%, closed at +3%
Trade 3: MFE +15%, closed at +3%
Average MFE: +11.7%. But exits at +3%? The exit strategy is capturing only 25% of available profit. This is a problem.
MAE Reveals Entry Quality
If your average MAE is very low, your entries are well-timed. If MAE is high but trades still profit, you're surviving on luck. Eventually that luck runs out.
MAE Analysis Example
Trade 1: MAE -2%, closed at +4%
Trade 2: MAE -8%, closed at +2%
Trade 3: MAE -12%, closed at +1%
Trade 1 shows a clean entry. Trades 2 and 3 went significantly against you before recovering. That's high risk, even if the outcome was positive.
What MFE/MAE Analysis Reveals
1. Are Take-Profits Optimal?
Compare average MFE to take-profit target:
- If MFE >> TP: You're exiting too early
- If MFE ≈ TP: Your targets are calibrated correctly
- If MFE < TP frequently: Your targets might be unrealistic
2. Are Stop-Losses Too Tight?
If many trades hit stop-loss but would have recovered:
- The stop might be too tight
- Or the entry timing needs work
MAE shows you how much "heat" trades typically take before winning.
3. Is the System Robust or Lucky?
A system with:
- Low MAE (entries are clean)
- MFE well above exit points (capturing the move)
- Consistent patterns across many trades
...is likely a robust system. High MAE with small profits = surviving on luck.
A trade that dropped -15% before recovering to +2% profit looks like a winner. But that -15% drawdown was real risk. MFE/MAE exposes this. Simple P&L hides it.
How to Use MFE/MAE
For Evaluating Signal Services
Ask if they track MFE/MAE. If they don't, or won't share it, that's a yellow flag. Services that only show final P&L may be hiding poor entry timing or suboptimal exits.
For Your Own Trading
- Log every trade with entry, high point, low point, exit
- Calculate MFE/MAE for each trade
- Look for patterns:
- Are you consistently exiting too early?
- Are entries often going against you first?
- Are stop-losses getting hit just before reversals?
MFE/MAE in Our System
We track both metrics for every signal. Here's why:
- Take-profit calibration: We set TPs based on typical MFE patterns in current market conditions
- Stop-loss optimization: MAE data helps us set stops that give trades room to work
- Regime adaptation: MFE/MAE patterns differ in bull vs. bear markets. We adjust accordingly
This isn't just data collection. It directly informs how we set exit parameters.
See Real Trade Data
Our live signals show complete trade information. Evaluate entry quality, exit timing, and risk yourself.
View Live SignalsSummary
- MFE = Maximum Favorable Excursion = highest point before exit
- MAE = Maximum Adverse Excursion = lowest point before exit
- MFE reveals if exits capture available profit
- MAE reveals if entries are clean or surviving on luck
- Both together tell the real story behind P&L numbers
When evaluating any signal service. Including ours. Look beyond win rate and P&L. Check our transparent signal history and learn how our trading signals work. The best systems can explain their MFE/MAE patterns. The worst won't even track them.