01
Your edge is a number.
Edge per trade = (Win rate × Average win) − (Loss rate × Average loss) − Costs
Example (illustration only): Win 40% at ₹1,500, lose 60% at ₹800, costs ₹150 per trade →
0.40 × 1,500 − 0.60 × 800 − 150 = −₹30 per trade
Feels like a good system. Still loses money. You can only fix what you measure.