Trading & Indicators
Building and judging trading systems honestly โ backtesting, walk-forward, overfitting, indicators, risk.
RSI Explained: How to Use It Without the False Signals
RSI measures momentum, not a buy or sell signal. What the Relative Strength Index measures, the correct formula,…
Position Sizing Rules for Systematic Traders
Position sizing decides whether a real edge survives its drawdowns. The math, and the classic rules: fixed-fractional, the…
How to Backtest a Trading Strategy the Right Way
A backtest says how a strategy would have done, not how it will. The four ways it lies:…
Moving Averages Explained: SMA vs EMA and When to Use Each
SMA vs EMA explained: what a moving average measures, the formulas, why an EMA reacts faster, what golden…
Mean Reversion vs Trend Following: Which Strategy Style Fits You?
Mean reversion and trend following are opposite bets, and neither is better. The two families of edge, the…
MACD Explained: A Practical Guide to the Indicator Everyone Misuses
What MACD measures, the 12/26/9 formula, its three classic signals, and the specific ways beginners misuse it. Honest…
How to Design a Trading Indicator From Scratch
Every indicator transforms the same OHLCV data. The real skill isn’t the formula โ it’s normalization, the smoothing-vs-lag…
Drawdown Explained: The Metric That Matters More Than Win Rate
Drawdown is the peak-to-trough loss a strategy puts you through, and recovery is brutally asymmetric: a 50% loss…
Bollinger Bands Explained: Volatility, Squeezes, and Mean Reversion
What Bollinger Bands measure, the 20/2 formula, the squeeze, why a band tag is not a buy or…