//version=6 indicator("Previous Day High and Low", overlay=true)
// Proměnné pro předchozí denní high a low var float prevHigh = na var float prevLow = na
// Uložení referencí na linie pro odstranění starších čar var line highLine = na var line lowLine = na
// Zjištění předchozího denního high a low if (dayofweek != dayofweek[1]) // Odstranění starých čar, pokud existují if (na(highLine) == false) line.delete(highLine) if (na(lowLine) == false) line.delete(lowLine)
// Nastavení nových hodnot pro high a low prevHigh := high[1] prevLow := low[1]
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