サー (sar) 指数では,Heiken Ashi k線を使って,何時間もかけて,元のk線と一致する結果が得られました.
微小値が変わってきて,なぜsar値が変わらなかったのか?
2020-02-10 21:35:43 情報 sar2 9375.691019486052
2020-02-10 21:35:43 情報 sar1 9375.691019486052
2020-02-10 21:35:43 情報 9346.08 9294.560000000001
2020-02-10 21:35:43 情報 9346.08 9300

function harecords (records) {

            
            
            
var harecords = []

for (var i = 0; i < records.length; i++) {
    if (i>0) {
        
    close=(records[i].High+records[i].Low+records[i].Open+records[i].Close)/4
    open=(records[i-1].Open+records[i-1].Close)/2
    high=Math.max(records[i].High,close,open)
    low=Math.min(records[i].Low,close,open)
        
        var currrecords = {
          Time : records[i].Time,
          Open : open,
          High : high,
          Low : low, 
          Close : close,                         
          Volume : records[i].Volume
        }
        }
       else { 
                    continue

           }
      harecords.push(currrecords)
      
    
        
    
}  

return harecords

}

function main() {
var records = exchange.GetRecords(PERIOD_H1); //は,PERIOD_M1,PERIOD_M30,PERIOD_H1などの異なるk行周期に記入することができます.

            
            
            
  var harecords=harecords(records)
  var h=200
  Log(records[records.length-h].High,records[records.length-h].Low)
  Log(harecords[harecords.length-h].High,harecords[harecords.length-h].Low)
  
  var sar1=talib.SAR(records,0.015,0.2);
  var sar2=talib.SAR(harecords,0.015,0.2);
  Log('sar1',sar1[records.length-h])
  Log('sar2',sar2[harecords.length-h])
       
  

}