=INDEX(GETHISTORY("PETR4.SA",1,TODAY()-1),1,5)

0 = Last traded price
 1 = Change in price for the day
 2 = Opening price of the day
 3 = High price of the day
 4 = Low price of the day
 5 = Volume
 6 = Average Daily Volume
 7 = Ask Price
 8 = Bid Price
 9 = Book Value
10 = Dividend/Share
11 = Earnings/Share
12 = Earnings/Share Estimate Current Year
13 = Earnings/Share Estimate Next Year
14 = Earnings/Share Estimate Next Quarter
15 = 52-week low
16 = Change from 52-week low
17 = 52-week high
18 = Change from 52-week high
19 = 50-day Moving Average
20 = 200-day Moving Average
21 = Previous Close
22 = Price/Earning Ratio
23 = Dividend Yield
24 = Price/Sales
25 = Price/Book
26 = PEG Ratio
27 = Price/EPS Estimate Current Year
28 = Price/EPS Estimate Next Year
29 = Short Ratio
30 = 1-year Target Price

=GETQUOTE("PETR4.SA")