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# Fourier Analysis of WWW (Wolverine World Wide)

WWW (Wolverine World Wide) appears to have interesting cyclic behaviour every 212 weeks (1.0816*cosine), 88 weeks (.7615*sine), and 192 weeks (.6921*cosine).

WWW (Wolverine World Wide) has an average price of 8.75 (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.

## Fourier Analysis

Using data from 3/17/1980 to 9/21/2020 for WWW (Wolverine World Wide), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
08.74594   0
15.20394 -9.24836 (1*2π)/21152,115 weeks
2.88555 -5.82326 (2*2π)/21151,058 weeks
3-.12271 -2.98349 (3*2π)/2115705 weeks
4-.65519 -2.44602 (4*2π)/2115529 weeks
5.87989 -1.11751 (5*2π)/2115423 weeks
6.35469 -2.3409 (6*2π)/2115353 weeks
7-.20122 -2.33315 (7*2π)/2115302 weeks
8-.90528 -1.46449 (8*2π)/2115264 weeks
9-.71174 -1.46926 (9*2π)/2115235 weeks
10-1.0816 -.51247 (10*2π)/2115212 weeks
11-.69211 -.33015 (11*2π)/2115192 weeks
12-.02602 .13976 (12*2π)/2115176 weeks
13.03921 -.53345 (13*2π)/2115163 weeks
14-.04916 -.36702 (14*2π)/2115151 weeks
15-.06647 -.31166 (15*2π)/2115141 weeks
16.03312 -.45894 (16*2π)/2115132 weeks
17-.14863 -.36342 (17*2π)/2115124 weeks
18-.09447 -.40316 (18*2π)/2115118 weeks
19-.17305 -.22955 (19*2π)/2115111 weeks
20-.16106 -.22199 (20*2π)/2115106 weeks
21.12992 -.04702 (21*2π)/2115101 weeks
22.18641 -.19929 (22*2π)/211596 weeks
23.40337 -.45024 (23*2π)/211592 weeks
24.01395 -.76152 (24*2π)/211588 weeks
25-.29274 -.51362 (25*2π)/211585 weeks
26-.27794 -.29422 (26*2π)/211581 weeks
27-.23763 -.21843 (27*2π)/211578 weeks
28-.27675 .06426 (28*2π)/211576 weeks
29.24863 .12013 (29*2π)/211573 weeks
30.26383 -.29199 (30*2π)/211571 weeks
31-.00607 -.5471 (31*2π)/211568 weeks
32-.32954 -.25332 (32*2π)/211566 weeks
33-.22255 -.09268 (33*2π)/211564 weeks
34-.1097 -.01763 (34*2π)/211562 weeks
35-.11637 -.00376 (35*2π)/211560 weeks
36.04029 .02288 (36*2π)/211559 weeks
37-.01241 -.01268 (37*2π)/211557 weeks
38.09866 -.02904 (38*2π)/211556 weeks
39.12383 .01982 (39*2π)/211554 weeks
40.19879 -.22229 (40*2π)/211553 weeks
41-.01561 -.11876 (41*2π)/211552 weeks
42.0066 -.13531 (42*2π)/211550 weeks
43.03282 -.0007 (43*2π)/211549 weeks
44.05537 -.10602 (44*2π)/211548 weeks
45.06792 .00873 (45*2π)/211547 weeks
46.09561 -.00654 (46*2π)/211546 weeks
47.22277 -.11583 (47*2π)/211545 weeks
48.07784 -.1016 (48*2π)/211544 weeks
49.13125 -.13433 (49*2π)/211543 weeks
50.13323 -.07621 (50*2π)/211542 weeks
51.13346 -.13225 (51*2π)/211541 weeks
52.17431 -.10036 (52*2π)/211541 weeks
53.1247 -.11571 (53*2π)/211540 weeks
54.24427 -.11302 (54*2π)/211539 weeks
55.22763 -.17663 (55*2π)/211538 weeks
56.22342 -.28479 (56*2π)/211538 weeks
57.15639 -.24035 (57*2π)/211537 weeks
58.13656 -.28536 (58*2π)/211536 weeks
59.18067 -.26883 (59*2π)/211536 weeks
60.10268 -.3528 (60*2π)/211535 weeks
61.15345 -.30814 (61*2π)/211535 weeks
62.019 -.47812 (62*2π)/211534 weeks
63-.07609 -.3354 (63*2π)/211534 weeks
64-.09629 -.31149 (64*2π)/211533 weeks
65-.06412 -.26946 (65*2π)/211533 weeks
66-.11599 -.28109 (66*2π)/211532 weeks
67-.1541 -.26848 (67*2π)/211532 weeks
68-.1871 -.12129 (68*2π)/211531 weeks
69-.11655 -.12389 (69*2π)/211531 weeks
70-.06244 -.08705 (70*2π)/211530 weeks
71-.05565 -.11511 (71*2π)/211530 weeks
72-.00776 -.14527 (72*2π)/211529 weeks
73-.10928 -.15007 (73*2π)/211529 weeks
74-.04163 -.08843 (74*2π)/211529 weeks
75-.06907 -.1318 (75*2π)/211528 weeks
76-.03886 -.05729 (76*2π)/211528 weeks
77.00331 -.08427 (77*2π)/211527 weeks
78.05719 -.15041 (78*2π)/211527 weeks
79-.02208 -.18105 (79*2π)/211527 weeks
80-.06933 -.20748 (80*2π)/211526 weeks
81-.07163 -.11054 (81*2π)/211526 weeks
82-.06576 -.16199 (82*2π)/211526 weeks
83-.12863 -.11968 (83*2π)/211525 weeks
84-.08957 -.07181 (84*2π)/211525 weeks
85-.09183 -.08936 (85*2π)/211525 weeks
86-.09821 -.07066 (86*2π)/211525 weeks
87-.07801 -.02102 (87*2π)/211524 weeks
88-.02774 -.03362 (88*2π)/211524 weeks
89-.00047 -.06785 (89*2π)/211524 weeks
90.00663 -.11686 (90*2π)/211524 weeks
91-.05991 -.17483 (91*2π)/211523 weeks
92-.17244 -.101 (92*2π)/211523 weeks
93-.11822 -.00942 (93*2π)/211523 weeks
94-.0931 .02662 (94*2π)/211523 weeks
95-.031 -.00204 (95*2π)/211522 weeks
96-.01079 .01673 (96*2π)/211522 weeks
97-.00285 -.07741 (97*2π)/211522 weeks
98-.0761 -.03677 (98*2π)/211522 weeks
99-.05595 .01649 (99*2π)/211521 weeks
100-.01517 .05744 (100*2π)/211521 weeks
101.05989 -.00642 (101*2π)/211521 weeks
102-.00073 -.04025 (102*2π)/211521 weeks
103.00531 .00493 (103*2π)/211521 weeks
104.0648 -.01057 (104*2π)/211520 weeks
105.02878 -.06861 (105*2π)/211520 weeks
106.04028 -.02779 (106*2π)/211520 weeks
107.04038 -.07374 (107*2π)/211520 weeks
108.02261 -.07927 (108*2π)/211520 weeks
109.00595 -.0466 (109*2π)/211519 weeks
110.00969 -.07262 (110*2π)/211519 weeks
111.01844 -.04674 (111*2π)/211519 weeks
112-.01131 -.06368 (112*2π)/211519 weeks
113.02129 -.042 (113*2π)/211519 weeks
114.01974 -.04524 (114*2π)/211519 weeks
115-.00072 -.08423 (115*2π)/211518 weeks
116-.01772 .02098 (116*2π)/211518 weeks
117.07115 -.01485 (117*2π)/211518 weeks
118.09125 -.03647 (118*2π)/211518 weeks
119.07915 -.09512 (119*2π)/211518 weeks
120.05938 -.11287 (120*2π)/211518 weeks
121.00658 -.11321 (121*2π)/211517 weeks
122-.01456 -.09289 (122*2π)/211517 weeks
123-.02207 -.02999 (123*2π)/211517 weeks
124.05771 -.02115 (124*2π)/211517 weeks
125.09691 -.07506 (125*2π)/211517 weeks
126.05474 -.1228 (126*2π)/211517 weeks
127.07129 -.13704 (127*2π)/211517 weeks
128-.03981 -.19551 (128*2π)/211517 weeks
129-.07587 -.09683 (129*2π)/211516 weeks
130-.07748 -.03072 (130*2π)/211516 weeks
131.00893 -.00827 (131*2π)/211516 weeks
132.03735 -.05429 (132*2π)/211516 weeks
133-.00167 -.06798 (133*2π)/211516 weeks
134.02716 -.02269 (134*2π)/211516 weeks
135.08904 -.05038 (135*2π)/211516 weeks
136.06024 -.14192 (136*2π)/211516 weeks
137.01949 -.11074 (137*2π)/211515 weeks
138.02954 -.11349 (138*2π)/211515 weeks
139.01569 -.12833 (139*2π)/211515 weeks
140.01774 -.1297 (140*2π)/211515 weeks
141-.01599 -.15516 (141*2π)/211515 weeks
142-.03564 -.13516 (142*2π)/211515 weeks
143-.06547 -.10487 (143*2π)/211515 weeks
144-.0484 -.07786 (144*2π)/211515 weeks
145-.02232 -.08095 (145*2π)/211515 weeks
146-.03642 -.10034 (146*2π)/211514 weeks
147-.0749 -.07136 (147*2π)/211514 weeks
148.00031 -.02304 (148*2π)/211514 weeks
149.00427 -.10031 (149*2π)/211514 weeks
150-.01655 -.11555 (150*2π)/211514 weeks
151-.0585 -.10613 (151*2π)/211514 weeks
152-.07129 -.08561 (152*2π)/211514 weeks
153-.0655 -.05425 (153*2π)/211514 weeks
154-.04312 -.03181 (154*2π)/211514 weeks
155-.0043 -.08246 (155*2π)/211514 weeks
156-.072 -.085 (156*2π)/211514 weeks
157-.07964 -.04745 (157*2π)/211513 weeks
158-.04952 .00164 (158*2π)/211513 weeks
159.00635 -.0351 (159*2π)/211513 weeks
160-.0252 -.06329 (160*2π)/211513 weeks
161-.02229 -.05788 (161*2π)/211513 weeks
162-.03561 -.05883 (162*2π)/211513 weeks
163-.04037 -.05992 (163*2π)/211513 weeks
164-.06751 -.05752 (164*2π)/211513 weeks
165-.06113 -.0177 (165*2π)/211513 weeks
166-.03668 -.01182 (166*2π)/211513 weeks
167-.02328 -.02074 (167*2π)/211513 weeks
168-.00788 -.01521 (168*2π)/211513 weeks
169.00054 -.05162 (169*2π)/211513 weeks
170-.02803 -.05609 (170*2π)/211512 weeks
171-.05108 -.03807 (171*2π)/211512 weeks
172-.04459 -.00723 (172*2π)/211512 weeks
173-.01373 .02465 (173*2π)/211512 weeks
174.0383 -.0139 (174*2π)/211512 weeks
175.02506 -.04977 (175*2π)/211512 weeks
176-.00737 -.06761 (176*2π)/211512 weeks
177-.01365 -.04373 (177*2π)/211512 weeks
178-.02185 -.06054 (178*2π)/211512 weeks
179-.0138 -.01619 (179*2π)/211512 weeks
180.02165 -.06467 (180*2π)/211512 weeks
181-.01885 -.10135 (181*2π)/211512 weeks
182-.06978 -.07652 (182*2π)/211512 weeks
183-.06674 -.0296 (183*2π)/211512 weeks
184-.05045 -.01321 (184*2π)/211511 weeks
185-.0346 -.01423 (185*2π)/211511 weeks
186-.03028 -.00254 (186*2π)/211511 weeks
187-.03568 -.02162 (187*2π)/211511 weeks
188-.02428 .00778 (188*2π)/211511 weeks
189-.02534 .00929 (189*2π)/211511 weeks
190.00577 .022 (190*2π)/211511 weeks
191.00932 .0166 (191*2π)/211511 weeks
192.03896 .02486 (192*2π)/211511 weeks
193.08861 -.01541 (193*2π)/211511 weeks
194.05842 -.07482 (194*2π)/211511 weeks
195.01841 -.0741 (195*2π)/211511 weeks
196.0028 -.04956 (196*2π)/211511 weeks
197.03422 -.04279 (197*2π)/211511 weeks
198.02131 -.06181 (198*2π)/211511 weeks
199.04067 -.06679 (199*2π)/211511 weeks
200-.00373 -.08923 (200*2π)/211511 weeks
201-.00351 -.05934 (201*2π)/211511 weeks
202.02296 -.04881 (202*2π)/211510 weeks
203.02158 -.11566 (203*2π)/211510 weeks
204-.03438 -.09733 (204*2π)/211510 weeks
205-.05492 -.07466 (205*2π)/211510 weeks
206-.01424 -.05221 (206*2π)/211510 weeks
207-.0335 -.06395 (207*2π)/211510 weeks
208-.01996 -.06949 (208*2π)/211510 weeks
209-.03934 -.06262 (209*2π)/211510 weeks
210-.05408 -.05606 (210*2π)/211510 weeks
211-.02857 -.03039 (211*2π)/211510 weeks
212-.0425 -.05611 (212*2π)/211510 weeks
213-.05037 -.0366 (213*2π)/211510 weeks
214-.03284 -.01122 (214*2π)/211510 weeks
215-.01273 -.05193 (215*2π)/211510 weeks
216-.04211 -.04938 (216*2π)/211510 weeks
217-.05658 -.02719 (217*2π)/211510 weeks
218-.03777 -.01133 (218*2π)/211510 weeks
219-.00517 -.00104 (219*2π)/211510 weeks
220-.00909 -.04889 (220*2π)/211510 weeks
221-.03393 -.03068 (221*2π)/211510 weeks
222-.02771 -.01094 (222*2π)/211510 weeks
223.00083 -.02416 (223*2π)/21159 weeks
224-.01414 -.04757 (224*2π)/21159 weeks
225-.03815 -.03082 (225*2π)/21159 weeks
226-.02769 -.00675 (226*2π)/21159 weeks
227.00935 -.01046 (227*2π)/21159 weeks
228.00933 -.04129 (228*2π)/21159 weeks
229-.01581 -.05027 (229*2π)/21159 weeks
230-.01542 -.03073 (230*2π)/21159 weeks
231.0012 -.0366 (231*2π)/21159 weeks
232-.01056 -.06487 (232*2π)/21159 weeks
233-.02568 -.05336 (233*2π)/21159 weeks
234-.04426 -.06016 (234*2π)/21159 weeks
235-.06208 -.03246 (235*2π)/21159 weeks
236-.04767 .00724 (236*2π)/21159 weeks
237-.00286 -.01582 (237*2π)/21159 weeks
238-.03965 -.04085 (238*2π)/21159 weeks
239-.0575 -.00371 (239*2π)/21159 weeks
240-.01451 .01956 (240*2π)/21159 weeks
241-.00315 -.02154 (241*2π)/21159 weeks
242-.01986 -.0235 (242*2π)/21159 weeks
243-.025 -.00409 (243*2π)/21159 weeks
244.01081 -.02158 (244*2π)/21159 weeks
245-.04184 -.03853 (245*2π)/21159 weeks
246-.01323 .01665 (246*2π)/21159 weeks
247.01166 -.0359 (247*2π)/21159 weeks
248-.02228 -.02861 (248*2π)/21159 weeks
249-.03321 -.03312 (249*2π)/21158 weeks
250-.03746 -.00727 (250*2π)/21158 weeks
251-.03436 .01774 (251*2π)/21158 weeks
252.00838 .00961 (252*2π)/21158 weeks
253.0056 -.00029 (253*2π)/21158 weeks
254.00681 -.02429 (254*2π)/21158 weeks
255-.0135 -.02459 (255*2π)/21158 weeks
256-.01862 -.00451 (256*2π)/21158 weeks
257.00237 .00104 (257*2π)/21158 weeks
258.00275 -.00145 (258*2π)/21158 weeks
259.02759 -.00474 (259*2π)/21158 weeks
260.00557 -.03405 (260*2π)/21158 weeks
261-.00535 -.01207 (261*2π)/21158 weeks
262-.00077 -.00131 (262*2π)/21158 weeks
263.01837 -.0038 (263*2π)/21158 weeks
264.02776 -.00248 (264*2π)/21158 weeks
265.03235 -.03402 (265*2π)/21158 weeks
266.01553 -.02994 (266*2π)/21158 weeks
267.01012 -.04043 (267*2π)/21158 weeks
268.00067 -.03407 (268*2π)/21158 weeks
269-.0067 -.02796 (269*2π)/21158 weeks
270-.00124 -.01853 (270*2π)/21158 weeks
271.00205 -.00117 (271*2π)/21158 weeks
272.0313 -.00906 (272*2π)/21158 weeks
273.0385 -.03143 (273*2π)/21158 weeks
274.01786 -.03617 (274*2π)/21158 weeks
275.05206 -.02988 (275*2π)/21158 weeks
276.03288 -.06543 (276*2π)/21158 weeks
277.00897 -.07957 (277*2π)/21158 weeks
278-.00792 -.04281 (278*2π)/21158 weeks
279.00628 -.0498 (279*2π)/21158 weeks
280.00988 -.0465 (280*2π)/21158 weeks
281.00295 -.04751 (281*2π)/21158 weeks
282.02145 -.05666 (282*2π)/21158 weeks
283.01045 -.066 (283*2π)/21157 weeks
284.00786 -.0744 (284*2π)/21157 weeks
285.0034 -.07402 (285*2π)/21157 weeks
286-.00366 -.08581 (286*2π)/21157 weeks
287-.02265 -.09617 (287*2π)/21157 weeks
288-.06579 -.07801 (288*2π)/21157 weeks
289-.04908 -.04042 (289*2π)/21157 weeks
290-.03229 -.03652 (290*2π)/21157 weeks
291-.02259 -.05757 (291*2π)/21157 weeks
292-.05667 -.05312 (292*2π)/21157 weeks
293-.05367 -.0249 (293*2π)/21157 weeks
294-.02754 -.00622 (294*2π)/21157 weeks
295.00038 -.04428 (295*2π)/21157 weeks
296-.03558 -.06242 (296*2π)/21157 weeks
297-.04857 -.03233 (297*2π)/21157 weeks
298-.03706 -.02828 (298*2π)/21157 weeks
299-.03929 -.01598 (299*2π)/21157 weeks
300-.02181 -.01067 (300*2π)/21157 weeks
301-.02803 -.02275 (301*2π)/21157 weeks
302-.01521 -.00599 (302*2π)/21157 weeks
303-.00271 -.01788 (303*2π)/21157 weeks
304-.0054 -.048 (304*2π)/21157 weeks
305-.03554 -.03493 (305*2π)/21157 weeks
306-.02126 -.02853 (306*2π)/21157 weeks
307-.02541 -.02942 (307*2π)/21157 weeks
308-.02586 -.03852 (308*2π)/21157 weeks
309-.03504 -.02898 (309*2π)/21157 weeks
310-.03821 -.02543 (310*2π)/21157 weeks
311-.02533 -.01099 (311*2π)/21157 weeks
312-.02376 -.01994 (312*2π)/21157 weeks
313-.02194 -.01819 (313*2π)/21157 weeks
314-.01434 -.0163 (314*2π)/21157 weeks
315-.02013 -.03617 (315*2π)/21157 weeks
316-.03962 -.01574 (316*2π)/21157 weeks
317-.01356 -.00622 (317*2π)/21157 weeks
318-.00479 -.02212 (318*2π)/21157 weeks
319-.01642 -.04386 (319*2π)/21157 weeks
320-.02777 -.03571 (320*2π)/21157 weeks
321-.04215 -.03901 (321*2π)/21157 weeks
322-.04076 -.01293 (322*2π)/21157 weeks
323-.03311 -.01685 (323*2π)/21157 weeks
324-.03253 -.01592 (324*2π)/21157 weeks
325-.04042 -.00688 (325*2π)/21157 weeks
326-.01905 .00226 (326*2π)/21156 weeks
327-.00771 -.01743 (327*2π)/21156 weeks
328-.03581 -.02459 (328*2π)/21156 weeks
329-.02897 .005 (329*2π)/21156 weeks
330-.01469 -.00883 (330*2π)/21156 weeks
331-.01826 -.01923 (331*2π)/21156 weeks
332-.03715 -.01016 (332*2π)/21156 weeks
333-.01835 -.00314 (333*2π)/21156 weeks
334-.03204 -.00863 (334*2π)/21156 weeks
335-.03342 .01 (335*2π)/21156 weeks
336-.002 .0318 (336*2π)/21156 weeks
337.03149 -.01182 (337*2π)/21156 weeks
338-.01622 -.04523 (338*2π)/21156 weeks
339-.03403 .00205 (339*2π)/21156 weeks
340-.00179 .00386 (340*2π)/21156 weeks
341-.00498 -.00627 (341*2π)/21156 weeks
342-.00167 -.00599 (342*2π)/21156 weeks
343-.00279 -.01936 (343*2π)/21156 weeks
344-.01518 -.00792 (344*2π)/21156 weeks
345-.01171 .00407 (345*2π)/21156 weeks
346.01723 .00436 (346*2π)/21156 weeks
347.00911 -.02167 (347*2π)/21156 weeks
348.01441 -.02087 (348*2π)/21156 weeks
349.00436 -.03386 (349*2π)/21156 weeks
350-.00779 -.04641 (350*2π)/21156 weeks
351-.02604 -.01906 (351*2π)/21156 weeks
352-.02756 -.02095 (352*2π)/21156 weeks
353-.00841 .00872 (353*2π)/21156 weeks
354-.00131 -.00742 (354*2π)/21156 weeks
355.02207 -.01649 (355*2π)/21156 weeks
356-.01232 -.04274 (356*2π)/21156 weeks
357-.0169 -.02334 (357*2π)/21156 weeks
358-.02664 -.00823 (358*2π)/21156 weeks
359.00959 -.01247 (359*2π)/21156 weeks
360-.01006 -.02223 (360*2π)/21156 weeks
361-.00222 -.01921 (361*2π)/21156 weeks
362.00165 -.0257 (362*2π)/21156 weeks
363-.02233 -.03484 (363*2π)/21156 weeks
364-.02765 -.00303 (364*2π)/21156 weeks
365.00665 .00658 (365*2π)/21156 weeks
366.01318 -.02528 (366*2π)/21156 weeks
367.00071 -.02833 (367*2π)/21156 weeks
368-.00929 -.04625 (368*2π)/21156 weeks
369-.0357 -.02174 (369*2π)/21156 weeks
370-.01852 -.00701 (370*2π)/21156 weeks
371-.00321 -.00824 (371*2π)/21156 weeks
372-.01323 -.0086 (372*2π)/21156 weeks
373.01312 .00139 (373*2π)/21156 weeks
374.01145 -.02704 (374*2π)/21156 weeks
375.00644 -.02646 (375*2π)/21156 weeks
376.00337 -.02848 (376*2π)/21156 weeks
377.00697 -.04381 (377*2π)/21156 weeks
378-.01971 -.04608 (378*2π)/21156 weeks
379-.02354 -.02404 (379*2π)/21156 weeks
380-.00923 -.02065 (380*2π)/21156 weeks
381-.01003 -.02823 (381*2π)/21156 weeks
382-.01408 -.02337 (382*2π)/21156 weeks
383-.01034 -.02412 (383*2π)/21156 weeks
384-.00174 -.02926 (384*2π)/21156 weeks
385-.01536 -.05079 (385*2π)/21155 weeks
386-.02391 -.03343 (386*2π)/21155 weeks
387-.03952 -.045 (387*2π)/21155 weeks
388-.04406 -.00685 (388*2π)/21155 weeks
389-.03272 -.00188 (389*2π)/21155 weeks
390-.00707 .00246 (390*2π)/21155 weeks
391-.01617 -.01821