Try this:
% This is a matrix sorting stocks
% The first row is month, 2nd is day, 3rd is year,
% 4th is how much the price opened for that day,
% 5th is the high for that day, 6th is the low for that day,
% and 7th is what the price closed on that day.
Example = [5 27 2022 820 827 785 820;
5 28 2022 813 824 801 805;
5 29 2022 808 835 804 822;
5 30 2022 809 835 801 812;
5 31 2022 811 834 802 823;
6 1 2022 858 899 854 898;
6 2 2022 894 908 871 881;
6 3 2022 888 897 880 882;
6 4 2022 889 895 858 864;
6 5 2022 877 886 866 885]
xMonth = input('Month: ');
xDay = input ('Day: ');
openingPrice = Example(:, 4);
closingPrice = Example(:, 5);
lowPrice = Example(:, 6);
highPrice = Example(:, 7);
% Find the row that matches
row = find(Example(:, 1) == xMonth & Example(:, 2) == xDay)
fprintf('On month %d day %d, this stock opened at %d and closed at %d.\n', ...
xMonth, xDay, openingPrice(row), closingPrice(row))
fprintf('The highest price for that day was %d and lowest was %d.\n' , ...
lowPrice(row), highPrice(row))
