Trading guides
How to judge a trading system before you trust it: what the numbers mean, which ones are missing, and how to size risk around them.
· 6 min read
How to read a trading backtest: seven checks before you trust it
Seven questions that separate a careful backtest from a flattering one: trade count, costs, data, drawdown, a control test, overfitting and a live record.
Read the guide · 5 min read
What is R in trading? Position sizing by risk, step by step
R is the amount risked on a trade. What an R multiple means, why results are quoted in R, and how to size any position in three steps.
Read the guide · 5 min read
Win rate vs risk-reward: why a 43% win rate can be profitable
A win rate means nothing without the payoff next to it. The break-even win rate for any risk-reward, the expectancy formula and a worked example.
Read the guide