Every indicator in quantedge-ta before the Stochastic Oscillator shares a design pattern: each new bar’s contribution decays over time. SMA: uniform average, old bars age out as the window slides. EMA: exponential weight, old contributions shrink but never hit zero. RSI: Wilder’s smoothing, same story. MACD: two EMAs composing. ATR: Wilder’s smoothing on True Range. None of… Continue reading