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["Ticker","Fecha","Apertura","MaximoDiario","MinimoDiario","Volumen","Cierre"]
["COSTC","12/9/2025",20,20,20,2,20.05]
["COSTC","8/9/2025",20.05,20.05,20.05,20,20.35]
["COSTC","13/8/2025",20.35,20.35,20.35,4,20.4]
["COSTC","8/8/2025",20.4,20.4,20.4,23,20.45]
["COSTC","7/8/2025",20.3,20.45,20.3,5,19.679]
["COSTC","18/7/2025",19.75,19.75,19.75,6,20.5]
["COSTC","10/7/2025",20.5,20.5,20.5,55,20.9]
["COSTC","23/6/2025",20.9,20.9,20.9,16,11.305]