WTI Ftrs 58% returns in Sept?

Hello:

Bloomberg reporter reported the following:
"Through September,... benchmark West Texas Intermediate futures surged 58 percent [in returns]."

Does anyone know how they got the 58%? Or, if your numbers match theirs? I wonder if I am reading that wrongly.

Thx in advance for checking w. me.
 
Oh, good. Thanks very much! Did they just add the day-to-day price changes for the last 365 days before Sept 30, minus banking holidays?
 
Quote from usman88:

lol no stupid

you dont know how to calculate percentage change and you are trading.....now this is really something


This is a question: Are (How are) you sure that the 58% they are quoting is

Price (on Sep30) / Price ( on Sep30 - 1Y )

Instead of

( Log Price (on Sep30) - Log Price (on Sep30 - 1Y) ) x 100% ???

In the second case, if you added the daily changes in log price over the last year, you get the same answer as above.... those log traits!

Question is (again): the 58%, is it the first or second?
 
Quote from Engy:

This is a question: Are (How are) you sure that the 58% they are quoting is

Price (on Sep30) / Price ( on Sep30 - 1Y )

Instead of

( Log Price (on Sep30) - Log Price (on Sep30 - 1Y) ) x 100% ???

In the second case, if you added the daily changes in log price over the last year, you get the same answer as above.... those log traits!

Question is (again): the 58%, is it the first or second?

first one
and it would be 1st Jan instead of Setp-1Y
 
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