CoreXTrader: Not Just Trading —
A Revolution in Market Intelligence

about { author: "CoreXyte Architecture"; version: "1.2.0"; about: "Institutional Bollinger Bands with trend-sensitive signals."; link: "https://corexyte.com"; } struct BollingerSignal { double upper; double middle; double lower; double sell_signal; double buy_signal; } enum Source { Close = 0, Open = 1, High = 2, Low = 3 } display { separate_window: false; outputs: 5; BollingerSignal.lower { type: "line"; color: "#50c426ff"; name: "Lower Band"; width: 1; }; BollingerSignal.upper { type: "line"; color: "#c42626ff"; name: "Upper Band"; width: 1; }; BollingerSignal.middle { type: "line"; color: "#b0aaaaff"; name: "Middle Band"; width: 0.5; }; BollingerSignal.sell_signal { type: "arrow"; color: "#c42626ff"; name: "Sell Arrow"; width: 0.5; arrow_code: 234; }; BollingerSignal.buy_signal { type: "arrow"; color: "#50c426ff"; name: "Buy Arrow"; width: 0.5; arrow_code: 233; }; fill { buffer_a: 0; buffer_b: 1; color: "rgba(80, 196, 38, 0.1)"; }; fill { buffer_a: 1; buffer_b: 2; color: "rgba(196, 38, 38, 0.1)"; }; } parameters { int period = 20; double multiplier = 2.0; } series double middle[]; series double upper[]; series double lower[]; series double SellArrow[]; series double BuyArrow[]; calculate() { double closes[] = close(); double highs[] = high(); double lows[] = low(); int len = length(closes); int start = Chart.resume_index; middle[] = create_array(len); upper[] = create_array(len); lower[] = create_array(len); SellArrow[] = create_array(len); BuyArrow[] = create_array(len); if (start > 0) start = start - 1; else start = period - 1; for (int i = start; i < len; i = i + 1) { double sum = Math.Sum(closes, i, period); double mean = sum / period; middle[i] = mean; double std_dev = Math.StdDev(closes, i, period); upper[i] = mean + (multiplier * std_dev); lower[i] = mean - (multiplier * std_dev); SellArrow[i] = closes[i] > upper[i] ? highs[i] + 0.0001 : 0.0; BuyArrow[i] = closes[i] < lower[i] ? lows[i] - 0.0001 : 0.0; } return BollingerSignal { upper: upper, middle: middle, lower: lower, sell_signal: SellArrow, buy_signal: BuyArrow, }; }