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Fourier Analysis of CHGT (CHANGING TECH)


CHGT (CHANGING TECH) appears to have interesting cyclic behaviour every 13 weeks (.0787*sine), 11 weeks (.0767*cosine), and 10 weeks (.053*cosine).

CHGT (CHANGING TECH) has an average price of .35 (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 7/17/2014 to 1/17/2017 for CHGT (CHANGING TECH), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
0.35192   0 
1.37181 .28419 (1*2π)/132132 weeks
2.17747 .30788 (2*2π)/13266 weeks
3.12126 .27913 (3*2π)/13244 weeks
4.02507 .23777 (4*2π)/13233 weeks
5-.01349 .19356 (5*2π)/13226 weeks
6-.02105 .14679 (6*2π)/13222 weeks
7-.05621 .12693 (7*2π)/13219 weeks
8-.0586 .09277 (8*2π)/13217 weeks
9-.0366 .05847 (9*2π)/13215 weeks
10-.03831 .0787 (10*2π)/13213 weeks
11-.06078 .06795 (11*2π)/13212 weeks
12-.07667 .02257 (12*2π)/13211 weeks
13-.05301 .00029 (13*2π)/13210 weeks
14-.04266 -.01217 (14*2π)/1329 weeks
15-.02502 -.02332 (15*2π)/1329 weeks
16.00914 -.01693 (16*2π)/1328 weeks
17.00023 .00797 (17*2π)/1328 weeks
18-.01493 .00949 (18*2π)/1327 weeks
19-.02122 -.01787 (19*2π)/1327 weeks
20-.00905 -.02788 (20*2π)/1327 weeks
21.01095 -.0269 (21*2π)/1326 weeks
22.01695 -.02681 (22*2π)/1326 weeks
23.02371 -.01953 (23*2π)/1326 weeks
24.03243 -.01603 (24*2π)/1326 weeks
25.03389 -.01628 (25*2π)/1325 weeks
26.04435 -.00811 (26*2π)/1325 weeks
27.05148 .00393 (27*2π)/1325 weeks
28.04025 .02179 (28*2π)/1325 weeks
29.02987 .02322 (29*2π)/1325 weeks
30.02443 .01242 (30*2π)/1324 weeks
31.02886 .0156 (31*2π)/1324 weeks
32.03546 .01712 (32*2π)/1324 weeks
33.02844 .02339 (33*2π)/1324 weeks
34.02685 .03147 (34*2π)/1324 weeks
35.02603 .0297 (35*2π)/1324 weeks
36.01417 .03099 (36*2π)/1324 weeks
37.02151 .03483 (37*2π)/1324 weeks
38.0138 .03891 (38*2π)/1323 weeks
39-.00314 .04279 (39*2π)/1323 weeks
40-.00956 .03533 (40*2π)/1323 weeks
41-.0118 .01985 (41*2π)/1323 weeks
42-.00499 .02015 (42*2π)/1323 weeks
43-.00344 .02172 (43*2π)/1323 weeks
44-.01055 .02321 (44*2π)/1323 weeks
45-.01771 .02284 (45*2π)/1323 weeks
46-.02258 .01092 (46*2π)/1323 weeks
47-.01862 .00414 (47*2π)/1323 weeks
48-.01359 .00324 (48*2π)/1323 weeks
49-.0156 .00116 (49*2π)/1323 weeks
50-.02184 .0016 (50*2π)/1323 weeks
51-.01821 -.01158 (51*2π)/1323 weeks
52-.01589 -.01374 (52*2π)/1323 weeks
53-.01185 -.01921 (53*2π)/1322 weeks
54-.0068 -.02287 (54*2π)/1322 weeks
55-.00244 -.02296 (55*2π)/1322 weeks
56.00058 -.02445 (56*2π)/1322 weeks
57.00377 -.02833 (57*2π)/1322 weeks
58.01423 -.03073 (58*2π)/1322 weeks
59.022 -.02788 (59*2π)/1322 weeks
60.02665 -.01991 (60*2π)/1322 weeks
61.02749 -.01583 (61*2π)/1322 weeks
62.03015 -.01212 (62*2π)/1322 weeks
63.03128 -.00548 (63*2π)/1322 weeks
64.02823 -.00289 (64*2π)/1322 weeks
65.02655 -.00395 (65*2π)/1322 weeks
66.02983   (66*2π)/1322 weeks
67.02655 .00395 (67*2π)/1322 weeks
68.02823 .00289 (68*2π)/1322 weeks
69.03128 .00548 (69*2π)/1322 weeks
70.03015 .01212 (70*2π)/1322 weeks
71.02749 .01583 (71*2π)/1322 weeks
72.02665 .01991 (72*2π)/1322 weeks
73.022 .02788 (73*2π)/1322 weeks
74.01423 .03073 (74*2π)/1322 weeks
75.00377 .02833 (75*2π)/1322 weeks
76.00058 .02445 (76*2π)/1322 weeks
77-.00244 .02296 (77*2π)/1322 weeks
78-.0068 .02287 (78*2π)/1322 weeks
79-.01185 .01921 (79*2π)/1322 weeks
80-.01589 .01374 (80*2π)/1322 weeks
81-.01821 .01158 (81*2π)/1322 weeks
82-.02184 -.0016 (82*2π)/1322 weeks
83-.0156 -.00116 (83*2π)/1322 weeks
84-.01359 -.00324 (84*2π)/1322 weeks
85-.01862 -.00414 (85*2π)/1322 weeks
86-.02258 -.01092 (86*2π)/1322 weeks
87-.01771 -.02284 (87*2π)/1322 weeks
88-.01055 -.02321 (88*2π)/1322 weeks
89-.00344 -.02172 (89*2π)/1321 weeks
90-.00499 -.02015 (90*2π)/1321 weeks
91-.0118 -.01985 (91*2π)/1321 weeks
92-.00956 -.03533 (92*2π)/1321 weeks
93-.00314 -.04279 (93*2π)/1321 weeks
94.0138 -.03891 (94*2π)/1321 weeks
95.02151 -.03483 (95*2π)/1321 weeks
96.01417 -.03099 (96*2π)/1321 weeks
97.02603 -.0297 (97*2π)/1321 weeks
98.02685 -.03147 (98*2π)/1321 weeks
99.02844 -.02339 (99*2π)/1321 weeks
100.03546 -.01712 (100*2π)/1321 weeks
101.02886 -.0156 (101*2π)/1321 weeks
102.02443 -.01242 (102*2π)/1321 weeks
103.02987 -.02322 (103*2π)/1321 weeks
104.04025 -.02179 (104*2π)/1321 weeks
105.05148 -.00393 (105*2π)/1321 weeks
106.04435 .00811 (106*2π)/1321 weeks
107.03389 .01628 (107*2π)/1321 weeks
108.03243 .01603 (108*2π)/1321 weeks
109.02371 .01953 (109*2π)/1321 weeks
110.01695 .02681 (110*2π)/1321 weeks
111.01095 .0269 (111*2π)/1321 weeks
112-.00905 .02788 (112*2π)/1321 weeks
113-.02122 .01787 (113*2π)/1321 weeks
114-.01493 -.00949 (114*2π)/1321 weeks
115.00023 -.00797 (115*2π)/1321 weeks
116.00914 .01693 (116*2π)/1321 weeks
117-.02502 .02332 (117*2π)/1321 weeks
118-.04266 .01217 (118*2π)/1321 weeks
119-.05301 -.00029 (119*2π)/1321 weeks
120-.07667 -.02257 (120*2π)/1321 weeks
121-.06078 -.06795 (121*2π)/1321 weeks
122-.03831 -.0787 (122*2π)/1321 weeks
123-.0366 -.05847 (123*2π)/1321 weeks
124-.0586 -.09277 (124*2π)/1321 weeks
125-.05621 -.12693 (125*2π)/1321 weeks
126-.02105 -.14679 (126*2π)/1321 weeks
127-.01349 -.19356 (127*2π)/1321 weeks
128.02507 -.23777 (128*2π)/1321 weeks
129.12126 -.27913 (129*2π)/1321 weeks
130.17747 -.30788 (130*2π)/1321 weeks

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