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["Ticker","Fecha","Apertura","MaximoDiario","MinimoDiario","Volumen","Cierre"]
["COSTC","13/7/2026",19.33,19.37,19.33,4,19.79]
["COSTC","7/7/2026",19.79,19.79,19.79,12,19.2]
["COSTC","1/7/2026",19.2,19.2,19.2,4,20.48]
["COSTC","16/6/2026",20.48,20.48,20.48,4,20.35]
["COSTC","12/6/2026",20.42,20.42,20.35,60,20.82]
["COSTC","4/5/2026",20.82,20.82,20.82,14,20.659]
["COSTC","28/4/2026",20.69,20.69,20.69,8,20.78]
["COSTC","17/4/2026",20.78,20.78,20.78,671,21.3]
["COSTC","4/3/2026",21.3,21.3,21.3,7,20.7]
["COSTC","25/2/2026",20.7,20.7,20.7,2,20.54]
["COSTC","23/2/2026",20.54,20.54,20.54,3,20.5]
["COSTC","11/2/2026",20.51,20.51,20.5,109,20.78]
["COSTC","6/2/2026",20.65,20.78,20.65,59,20.7]
["COSTC","4/2/2026",20.7,20.7,20.7,1,19.822]
["COSTC","29/1/2026",19.85,19.85,19.85,18,19.33]
["COSTC","13/1/2026",19.35,19.35,19.33,19,17.93]
["COSTC","17/12/2025",17.93,17.93,17.93,233,17.89]
["COSTC","16/12/2025",17.89,17.89,17.89,1,19.972]
["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]