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Fourier Analysis of CAFI (Camco Financial Corporatio)


CAFI (Camco Financial Corporatio) appears to have interesting cyclic behaviour every 4 weeks (.0035*cosine), 4 weeks (.0034*sine), and 2 weeks (.0033*cosine).

CAFI (Camco Financial Corporatio) has an average price of .02 (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 1/26/2016 to 9/18/2017 for CAFI (Camco Financial Corporatio), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
0.01837   0 
1-.00591 .02033 (1*2π)/3737 weeks
2.00084 -.00061 (2*2π)/3719 weeks
3-.00452 .00466 (3*2π)/3712 weeks
4-.00036 -.00044 (4*2π)/379 weeks
5-.00217 -.0022 (5*2π)/377 weeks
6.00309 .00025 (6*2π)/376 weeks
7.00095 -.001 (7*2π)/375 weeks
8.00316 .00308 (8*2π)/375 weeks
9.00018 .0031 (9*2π)/374 weeks
10-.00354 .00344 (10*2π)/374 weeks
11-.00248 -.00196 (11*2π)/373 weeks
12-.00141 -.0017 (12*2π)/373 weeks
13.00176 -.00211 (13*2π)/373 weeks
14.00101 -.00094 (14*2π)/373 weeks
15.00334 .00092 (15*2π)/372 weeks
16.00071 .00209 (16*2π)/372 weeks
17-.00091 .00334 (17*2π)/372 weeks
18-.00231 -.0003 (18*2π)/372 weeks
19-.00231 .0003 (19*2π)/372 weeks
20-.00091 -.00334 (20*2π)/372 weeks
21.00071 -.00209 (21*2π)/372 weeks
22.00334 -.00092 (22*2π)/372 weeks
23.00101 .00094 (23*2π)/372 weeks
24.00176 .00211 (24*2π)/372 weeks
25-.00141 .0017 (25*2π)/371 weeks
26-.00248 .00196 (26*2π)/371 weeks
27-.00354 -.00344 (27*2π)/371 weeks
28.00018 -.0031 (28*2π)/371 weeks
29.00316 -.00308 (29*2π)/371 weeks
30.00095 .001 (30*2π)/371 weeks
31.00309 -.00025 (31*2π)/371 weeks
32-.00217 .0022 (32*2π)/371 weeks
33-.00036 .00044 (33*2π)/371 weeks
34-.00452 -.00466 (34*2π)/371 weeks
35.00084 .00061 (35*2π)/371 weeks



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