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Fourier Analysis of FRPT (Freshpet, Inc.)


FRPT (Freshpet, Inc.) appears to have interesting cyclic behaviour every 12 weeks (.494*cosine), 10 weeks (.4801*sine), and 12 weeks (.4491*sine).

FRPT (Freshpet, Inc.) has an average price of 12.23 (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 11/7/2014 to 1/17/2017 for FRPT (Freshpet, Inc.), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
012.23427   0 
12.71938 5.10556 (1*2π)/116116 weeks
2-2.43449 1.046 (2*2π)/11658 weeks
3.24498 -.04532 (3*2π)/11639 weeks
41.04167 .26608 (4*2π)/11629 weeks
5.54912 .33382 (5*2π)/11623 weeks
6.6021 .49227 (6*2π)/11619 weeks
7.02537 .55497 (7*2π)/11617 weeks
8-.2708 .27552 (8*2π)/11615 weeks
9.06803 -.1013 (9*2π)/11613 weeks
10.49404 .44905 (10*2π)/11612 weeks
11.00421 .22937 (11*2π)/11611 weeks
12.02523 .48011 (12*2π)/11610 weeks
13-.19296 -.08503 (13*2π)/1169 weeks
14.21921 .05039 (14*2π)/1168 weeks
15.28682 .17209 (15*2π)/1168 weeks
16.36206 .28941 (16*2π)/1167 weeks
17.05937 .31322 (17*2π)/1167 weeks
18-.01834 .13313 (18*2π)/1166 weeks
19.05341 .18367 (19*2π)/1166 weeks
20.03118 .05881 (20*2π)/1166 weeks
21.19577 .03885 (21*2π)/1166 weeks
22-.00756 .15507 (22*2π)/1165 weeks
23.03047 .10888 (23*2π)/1165 weeks
24.13817 -.06876 (24*2π)/1165 weeks
25.26394 -.09016 (25*2π)/1165 weeks
26.10981 .10019 (26*2π)/1164 weeks
27.15857 -.00492 (27*2π)/1164 weeks
28.21061 .16751 (28*2π)/1164 weeks
29.26448 .19302 (29*2π)/1164 weeks
30.0031 .40278 (30*2π)/1164 weeks
31-.13604 -.02565 (31*2π)/1164 weeks
32.17721 .12285 (32*2π)/1164 weeks
33.09925 .22156 (33*2π)/1164 weeks
34-.10465 .01524 (34*2π)/1163 weeks
35.04955 -.19335 (35*2π)/1163 weeks
36.22529 .11552 (36*2π)/1163 weeks
37-.005 .14633 (37*2π)/1163 weeks
38.10231 -.03943 (38*2π)/1163 weeks
39.05007 .08622 (39*2π)/1163 weeks
40.00393 .02327 (40*2π)/1163 weeks
41-.03335 -.00224 (41*2π)/1163 weeks
42.24556 -.05293 (42*2π)/1163 weeks
43.13883 .15971 (43*2π)/1163 weeks
44-.02154 -.03366 (44*2π)/1163 weeks
45.02042 .03683 (45*2π)/1163 weeks
46.10816 .03466 (46*2π)/1163 weeks
47.04735 .00788 (47*2π)/1162 weeks
48.02577 -.03085 (48*2π)/1162 weeks
49.12996 .02685 (49*2π)/1162 weeks
50.07265 .03698 (50*2π)/1162 weeks
51.1492 .05142 (51*2π)/1162 weeks
52.07737 .04785 (52*2π)/1162 weeks
53.04538 .03298 (53*2π)/1162 weeks
54-.03524 .04531 (54*2π)/1162 weeks
55.10219 -.04208 (55*2π)/1162 weeks
56.05959 .08317 (56*2π)/1162 weeks
57.05124 -.05739 (57*2π)/1162 weeks
58-.01336   (58*2π)/1162 weeks
59.05124 .05739 (59*2π)/1162 weeks
60.05959 -.08317 (60*2π)/1162 weeks
61.10219 .04208 (61*2π)/1162 weeks
62-.03524 -.04531 (62*2π)/1162 weeks
63.04538 -.03298 (63*2π)/1162 weeks
64.07737 -.04785 (64*2π)/1162 weeks
65.1492 -.05142 (65*2π)/1162 weeks
66.07265 -.03698 (66*2π)/1162 weeks
67.12996 -.02685 (67*2π)/1162 weeks
68.02577 .03085 (68*2π)/1162 weeks
69.04735 -.00788 (69*2π)/1162 weeks
70.10816 -.03466 (70*2π)/1162 weeks
71.02042 -.03683 (71*2π)/1162 weeks
72-.02154 .03366 (72*2π)/1162 weeks
73.13883 -.15971 (73*2π)/1162 weeks
74.24556 .05293 (74*2π)/1162 weeks
75-.03335 .00224 (75*2π)/1162 weeks
76.00393 -.02327 (76*2π)/1162 weeks
77.05007 -.08622 (77*2π)/1162 weeks
78.10231 .03943 (78*2π)/1161 weeks
79-.005 -.14633 (79*2π)/1161 weeks
80.22529 -.11552 (80*2π)/1161 weeks
81.04955 .19335 (81*2π)/1161 weeks
82-.10465 -.01524 (82*2π)/1161 weeks
83.09925 -.22156 (83*2π)/1161 weeks
84.17721 -.12285 (84*2π)/1161 weeks
85-.13604 .02565 (85*2π)/1161 weeks
86.0031 -.40278 (86*2π)/1161 weeks
87.26448 -.19302 (87*2π)/1161 weeks
88.21061 -.16751 (88*2π)/1161 weeks
89.15857 .00492 (89*2π)/1161 weeks
90.10981 -.10019 (90*2π)/1161 weeks
91.26394 .09016 (91*2π)/1161 weeks
92.13817 .06876 (92*2π)/1161 weeks
93.03047 -.10888 (93*2π)/1161 weeks
94-.00756 -.15507 (94*2π)/1161 weeks
95.19577 -.03885 (95*2π)/1161 weeks
96.03118 -.05881 (96*2π)/1161 weeks
97.05341 -.18367 (97*2π)/1161 weeks
98-.01834 -.13313 (98*2π)/1161 weeks
99.05937 -.31322 (99*2π)/1161 weeks
100.36206 -.28941 (100*2π)/1161 weeks
101.28682 -.17209 (101*2π)/1161 weeks
102.21921 -.05039 (102*2π)/1161 weeks
103-.19296 .08503 (103*2π)/1161 weeks
104.02523 -.48011 (104*2π)/1161 weeks
105.00421 -.22937 (105*2π)/1161 weeks
106.49404 -.44905 (106*2π)/1161 weeks
107.06803 .1013 (107*2π)/1161 weeks
108-.2708 -.27552 (108*2π)/1161 weeks
109.02537 -.55497 (109*2π)/1161 weeks
110.6021 -.49227 (110*2π)/1161 weeks
111.54912 -.33382 (111*2π)/1161 weeks
1121.04167 -.26608 (112*2π)/1161 weeks
113.24498 .04532 (113*2π)/1161 weeks
114-2.43449 -1.046 (114*2π)/1161 weeks

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