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["Ticker","Fecha","Apertura","MaximoDiario","MinimoDiario","Volumen","Cierre"]
["UPSTC","14/7/2026",6.4,6.4,6.4,1365,6.45]
["UPSTC","13/7/2026",6.45,6.45,6.45,634,7]
["UPSTC","29/6/2026",7,7,7,200,6.7]
["UPSTC","26/6/2026",6.7,6.7,6.7,400,5.67]
["UPSTC","11/5/2026",5.67,5.67,5.67,2370,6.15]
["UPSTC","29/4/2026",6.15,6.15,6.15,1,6.1]
["UPSTC","19/2/2026",6.1,6.1,6.1,1,8.07]
["UPSTC","9/2/2026",8.07,8.07,8.07,25,8.07]
["UPSTC","2/2/2026",8.07,8.07,8.07,15,13.24]
["UPSTC","16/9/2025",13.24,13.24,13.24,76,0]