Defparam cumulateorders = false

boxSize = 40

once renkoMax = ROUND(close / boxSize) * boxSize  // init renko
once renkoMin = renkoMax - boxSize

IF high > renkoMax + boxSize THEN     //hausse renko
WHILE high > renkoMax + boxSize
renkoMax = renkoMax + boxSize
renkoMin = renkoMin + boxSize
WEND

ELSIF low < renkoMin - boxSize THEN    // baisse renko
WHILE low < renkoMin - boxSize
renkoMax = renkoMax - boxSize
renkoMin = renkoMin - boxSize

WEND
ENDIF

buy at renkoMax + boxSize stop             // achat
sellshort at renkoMin - boxSize stop         // vente