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Fourier Analysis of ECOB (ECO BUILDING PRODUC)


ECOB (ECO BUILDING PRODUC) appears to have interesting cyclic behaviour every 13 weeks (.0407*cosine), 13 weeks (.0396*sine), and 12 weeks (.0373*cosine).

ECOB (ECO BUILDING PRODUC) has an average price of .07 (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 4/21/2015 to 10/16/2017 for ECOB (ECO BUILDING PRODUC), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
0.07245   0 
1.12103 .03079 (1*2π)/131131 weeks
2.10905 .04879 (2*2π)/13166 weeks
3.0891 .05524 (3*2π)/13144 weeks
4.0711 .05793 (4*2π)/13133 weeks
5.05917 .05425 (5*2π)/13126 weeks
6.04983 .04821 (6*2π)/13122 weeks
7.04623 .04338 (7*2π)/13119 weeks
8.04474 .03987 (8*2π)/13116 weeks
9.0431 .03982 (9*2π)/13115 weeks
10.04071 .0396 (10*2π)/13113 weeks
11.03727 .03923 (11*2π)/13112 weeks
12.03479 .03836 (12*2π)/13111 weeks
13.03181 .0373 (13*2π)/13110 weeks
14.02965 .03605 (14*2π)/1319 weeks
15.0279 .03401 (15*2π)/1319 weeks
16.02723 .03364 (16*2π)/1318 weeks
17.02651 .03353 (17*2π)/1318 weeks
18.0238 .0343 (18*2π)/1317 weeks
19.02142 .03413 (19*2π)/1317 weeks
20.01815 .03279 (20*2π)/1317 weeks
21.01572 .03187 (21*2π)/1316 weeks
22.01336 .02918 (22*2π)/1316 weeks
23.0112 .02698 (23*2π)/1316 weeks
24.01117 .02438 (24*2π)/1315 weeks
25.01031 .02234 (25*2π)/1315 weeks
26.00992 .02143 (26*2π)/1315 weeks
27.00924 .01921 (27*2π)/1315 weeks
28.00875 .01761 (28*2π)/1315 weeks
29.00925 .01578 (29*2π)/1315 weeks
30.00916 .01461 (30*2π)/1314 weeks
31.0099 .01365 (31*2π)/1314 weeks
32.01004 .01271 (32*2π)/1314 weeks
33.0102 .0132 (33*2π)/1314 weeks
34.00955 .01281 (34*2π)/1314 weeks
35.00769 .0121 (35*2π)/1314 weeks
36.00702 .01026 (36*2π)/1314 weeks
37.00672 .00801 (37*2π)/1314 weeks
38.00743 .00658 (38*2π)/1313 weeks
39.00796 .00521 (39*2π)/1313 weeks
40.00841 .00465 (40*2π)/1313 weeks
41.00881 .00359 (41*2π)/1313 weeks
42.00851 .00275 (42*2π)/1313 weeks
43.00913 .00134 (43*2π)/1313 weeks
44.00973 -.00051 (44*2π)/1313 weeks
45.01141 -.00113 (45*2π)/1313 weeks
46.01322 -.00173 (46*2π)/1313 weeks
47.01396 -.00116 (47*2π)/1313 weeks
48.01491 -.00059 (48*2π)/1313 weeks
49.01489 -.00053 (49*2π)/1313 weeks
50.01486 -.00016 (50*2π)/1313 weeks
51.01485 -.0006 (51*2π)/1313 weeks
52.01467 -.00108 (52*2π)/1313 weeks
53.01521 -.00186 (53*2π)/1312 weeks
54.01602 -.00266 (54*2π)/1312 weeks
55.01737 -.00268 (55*2π)/1312 weeks
56.01859 -.00205 (56*2π)/1312 weeks
57.01895 -.00097 (57*2π)/1312 weeks
58.01856 -.00016 (58*2π)/1312 weeks
59.01816 .00003 (59*2π)/1312 weeks
60.01791 -.00015 (60*2π)/1312 weeks
61.01759 -.00013 (61*2π)/1312 weeks
62.01742 -.00063 (62*2π)/1312 weeks
63.01769 -.00162 (63*2π)/1312 weeks
64.01907 -.00194 (64*2π)/1312 weeks
65.02048 -.00094 (65*2π)/1312 weeks
66.02048 .00094 (66*2π)/1312 weeks
67.01907 .00194 (67*2π)/1312 weeks
68.01769 .00162 (68*2π)/1312 weeks
69.01742 .00063 (69*2π)/1312 weeks
70.01759 .00013 (70*2π)/1312 weeks
71.01791 .00015 (71*2π)/1312 weeks
72.01816 -.00003 (72*2π)/1312 weeks
73.01856 .00016 (73*2π)/1312 weeks
74.01895 .00097 (74*2π)/1312 weeks
75.01859 .00205 (75*2π)/1312 weeks
76.01737 .00268 (76*2π)/1312 weeks
77.01602 .00266 (77*2π)/1312 weeks
78.01521 .00186 (78*2π)/1312 weeks
79.01467 .00108 (79*2π)/1312 weeks
80.01485 .0006 (80*2π)/1312 weeks
81.01486 .00016 (81*2π)/1312 weeks
82.01489 .00053 (82*2π)/1312 weeks
83.01491 .00059 (83*2π)/1312 weeks
84.01396 .00116 (84*2π)/1312 weeks
85.01322 .00173 (85*2π)/1312 weeks
86.01141 .00113 (86*2π)/1312 weeks
87.00973 .00051 (87*2π)/1312 weeks
88.00913 -.00134 (88*2π)/1311 weeks
89.00851 -.00275 (89*2π)/1311 weeks
90.00881 -.00359 (90*2π)/1311 weeks
91.00841 -.00465 (91*2π)/1311 weeks
92.00796 -.00521 (92*2π)/1311 weeks
93.00743 -.00658 (93*2π)/1311 weeks
94.00672 -.00801 (94*2π)/1311 weeks
95.00702 -.01026 (95*2π)/1311 weeks
96.00769 -.0121 (96*2π)/1311 weeks
97.00955 -.01281 (97*2π)/1311 weeks
98.0102 -.0132 (98*2π)/1311 weeks
99.01004 -.01271 (99*2π)/1311 weeks
100.0099 -.01365 (100*2π)/1311 weeks
101.00916 -.01461 (101*2π)/1311 weeks
102.00925 -.01578 (102*2π)/1311 weeks
103.00875 -.01761 (103*2π)/1311 weeks
104.00924 -.01921 (104*2π)/1311 weeks
105.00992 -.02143 (105*2π)/1311 weeks
106.01031 -.02234 (106*2π)/1311 weeks
107.01117 -.02438 (107*2π)/1311 weeks
108.0112 -.02698 (108*2π)/1311 weeks
109.01336 -.02918 (109*2π)/1311 weeks
110.01572 -.03187 (110*2π)/1311 weeks
111.01815 -.03279 (111*2π)/1311 weeks
112.02142 -.03413 (112*2π)/1311 weeks
113.0238 -.0343 (113*2π)/1311 weeks
114.02651 -.03353 (114*2π)/1311 weeks
115.02723 -.03364 (115*2π)/1311 weeks
116.0279 -.03401 (116*2π)/1311 weeks
117.02965 -.03605 (117*2π)/1311 weeks
118.03181 -.0373 (118*2π)/1311 weeks
119.03479 -.03836 (119*2π)/1311 weeks
120.03727 -.03923 (120*2π)/1311 weeks
121.04071 -.0396 (121*2π)/1311 weeks
122.0431 -.03982 (122*2π)/1311 weeks
123.04474 -.03987 (123*2π)/1311 weeks
124.04623 -.04338 (124*2π)/1311 weeks
125.04983 -.04821 (125*2π)/1311 weeks
126.05917 -.05425 (126*2π)/1311 weeks
127.0711 -.05793 (127*2π)/1311 weeks
128.0891 -.05524 (128*2π)/1311 weeks
129.10905 -.04879 (129*2π)/1311 weeks



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