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Fourier Analysis of GOLF (Golfsmith International Holding)

GOLF (Golfsmith International Holding) appears to have interesting cyclic behaviour every (-79228162514264337593543950335*cosine), (-79228162514264337593543950335*cosine), and (-79228162514264337593543950335*cosine).

GOLF (Golfsmith International Holding) has an average price of 19.22 (topmost row, frequency = 0).

Click on the checkboxes shown on the right to see how the various frequencies contribute to the graph. Look for large magnitude coefficients (sine or cosine), as these are associated with frequencies which contribute most to the associated stock plot. If you find a large magnitude coefficient which dramatically changes the graph, look at the associated "Period" in weeks, as you may have found a significant recurring cycle for the stock of interest.

Right click on the graph above to see the menu of operations (download, full screen, etc.)

Fourier Analysis

Using data from 10/28/2016 to 1/9/2017 for GOLF (Golfsmith International Holding), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
019.21833   0 
1-1.04369 -.18673 (1*2π)/1212 weeks
2-.0575 -.36806 (2*2π)/126 weeks
3-.19167 -.005 (3*2π)/124 weeks
4.29417 -.01588 (4*2π)/123 weeks
5-.50964 -.19827 (5*2π)/122 weeks
6.48   (6*2π)/122 weeks
7-.50964 .19827 (7*2π)/122 weeks
8.29417 .01588 (8*2π)/122 weeks
9-.19167 .005 (9*2π)/121 weeks
10-.0575 .36806 (10*2π)/121 weeks

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