Free tool · Reality Check
The math nobody shows you
Spread, fees and slippage are a deterministic tax that compounds across every trade — it’s why most short-timeframe strategies are net-negative before psychology even enters. Move the sliders and see what your edge really is, the win-rate you actually need, and your risk of ruin. Education only, not financial advice.
Your strategy
Spread+fees+slippage as a share of your 1R risk. Scalpers ~0.3R+; swing traders <0.05R.
% of account at risk if the stop hits.
Verdict
Net positive edge
Net expectancy +0.1R per trade (gross +0.25R − 0.15R costs).
Win rate needed
46%
you set 50% · clears it
Cost drag / yr
−72R
480 trades/yr
Expected / yr
+48R
Risk of ruin*
0%
*50% drawdown in a year
A simplified model (fixed-fractional, 3,000 simulated years) to make the arithmetic visceral — not a prediction of your results. Real outcomes vary. Education only, not financial advice.