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sclass TradingRun extends TradingCandle is IntSize {
  new L<TradingCandle> candles;
  
  void add aka addCandle(TradingCandle candle) {
    candles.add(candle);
    addValue(candle.start, candle.startTime);
    addValue(candle.end, candle.endTime);
  }
  
  public int size() { ret l(candles); }
  
  double changePercent() {
    ret asPercentIncrease(changeRatio());
  }
  
  S myType() {
    ret "run length " + n2(candles) + ", change " + formatDouble2X(changePercent()) + "%";
  }
  
  bool isCompatibleCandle(TradingCandle candle) {
    ret candle.isWhite() || eq(candle.colorText(), colorText());
  }
}