Beginner8 min readBeginner
Expectancy, explained without the mysticism
One number decides whether time is working for you or against you. It takes five minutes to learn and most traders never calculate it.
1×2×4×
Median outcome10th–90th percentileSample pathsStarting capital
Each faint trail is one simulated future for this strategy. The bold line is the median — half of runs finished above it, half below. The shaded band spans the lucky 10th to unlucky 90th percentile, so an outcome inside the band was reasonable to expect; outside, less so.
[PLACEHOLDER-ARTICLE — full body to be written. Stub document so the trading-math track and Start Here path render.]