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< > BotCompany Repo | #1036460 // RSI backup [trading indicator, probably wrong formula]

JavaX fragment (include)

sclass RSI extends CandleBasedIndicator<Double> {
  settable int smoothingPeriod;
  settable SmoothedMovingAverage up;
  settable SmoothedMovingAverage down;
  settable double rsi = Double.NaN;
  
  // RSI values collected as ticker
  gettable TickerSequence rsiHistory = new TickerSequence("RSI");

  Double value() { ret rsi(); }
  
  // Do we have enough data for a proper value calculation?
  bool complete() {
    ret up != null && up.steps() >= length();
  }
  
  {
    length = 25;
    onCandleAdded((IVF1<TradingCandle>) candle -> {
      if (isNull(up())) init();
      var x = candle.move();
      var u = max(x, 0.0);
      var d = neg(min(x, 0.0));
      up().add(u);
      down().add(d);
      if (complete()) {
        var rs = div(up()!, down()!);
        rsi(100-100/(1+rs));
        rsiHistory?.addIfPriceChanged(rsi, candle.endTime().toLong());
      }
    });
  }
  
  void init() {
    up = new SmoothedMovingAverage(this.length());
    down = new SmoothedMovingAverage(this.length());
  }
  
  TickerSequence asTicker(L<TradingCandle> candles) {
    feed(candles);
    ret rsiHistory;
  }
}

Author comment

Began life as a copy of #1036452

download  show line numbers  debug dex  old transpilations   

Travelled to 2 computer(s): mowyntqkapby, mqqgnosmbjvj

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Snippet ID: #1036460
Snippet name: RSI backup [trading indicator, probably wrong formula]
Eternal ID of this version: #1036460/1
Text MD5: bc6e51c5180d041727212fca595a732f
Author: stefan
Category: javax / trading
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-12-16 02:04:55
Source code size: 1153 bytes / 43 lines
Pitched / IR pitched: No / No
Views / Downloads: 62 / 66
Referenced in: [show references]