I have a range a1:c500.col A is "date",Col B is "high value",Col C is "Low
value".The basic calculation is "high value" minus "Low value" is volatile
value of the day.I need a function to find most volatile day from the above
range.
Col A(Date)-----------Col B(high value)-------------------Col C(Low value)
11-NOV -------------100 -------------------95
12-NOV --------------125 ---------------------115
13-NOV --------------122 ----------------------118
16-NOV --------------101 -----------------------90
18-NOV ---------------85 -----------------------84
From the above example the maximum difference value is 11(101-90),so the
most volatile day is 16-NOV.I tried with offset function ,could not succeed.
Please help.

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