Back to list of Stocks    See Also: Seasonal Analysis of SFTBYGenetic Algorithms Stock Portfolio Generator, and Fourier Calculator

Fourier Analysis of SFTBY (SoftBank Corp)


SFTBY (SoftBank Corp) appears to have interesting cyclic behaviour every 25 weeks (11.7986*sine), 23 weeks (11.0006*sine), and 27 weeks (9.3669*sine).

SFTBY (SoftBank Corp) has an average price of 57.2 (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 7/27/2010 to 9/5/2017 for SFTBY (SoftBank Corp), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
057.19678   0 
153.36861 11.54006 (1*2π)/372372 weeks
253.15768 30.95647 (2*2π)/372186 weeks
330.0916 39.92883 (3*2π)/372124 weeks
415.41645 41.80104 (4*2π)/37293 weeks
5-1.19816 39.28859 (5*2π)/37274 weeks
6-10.50548 28.82257 (6*2π)/37262 weeks
7-14.39282 18.27585 (7*2π)/37253 weeks
8-14.91419 7.40167 (8*2π)/37247 weeks
9-9.90824 .15957 (9*2π)/37241 weeks
10-2.52996 -4.0751 (10*2π)/37237 weeks
113.80073 -2.43625 (11*2π)/37234 weeks
127.97155 .1245 (12*2π)/37231 weeks
139.22121 5.14764 (13*2π)/37229 weeks
147.32878 9.3669 (14*2π)/37227 weeks
153.99826 11.7986 (15*2π)/37225 weeks
16-.91172 11.00063 (16*2π)/37223 weeks
17-4.12028 8.67489 (17*2π)/37222 weeks
18-5.7446 5.3034 (18*2π)/37221 weeks
19-4.62587 1.82945 (19*2π)/37220 weeks
20-1.82978 -1.0805 (20*2π)/37219 weeks
211.91361 -1.98757 (21*2π)/37218 weeks
224.47428 -.41185 (22*2π)/37217 weeks
236.19578 1.92561 (23*2π)/37216 weeks
246.14964 5.02345 (24*2π)/37216 weeks
254.01456 6.89213 (25*2π)/37215 weeks
261.39802 8.07919 (26*2π)/37214 weeks
27-.89844 7.32559 (27*2π)/37214 weeks
28-2.98949 5.42257 (28*2π)/37213 weeks
29-3.46724 2.68774 (29*2π)/37213 weeks
30-2.78137 .7025 (30*2π)/37212 weeks
31-.62311 -.93149 (31*2π)/37212 weeks
32.95737 -.70849 (32*2π)/37212 weeks
333.32194 .01587 (33*2π)/37211 weeks
343.76077 1.98751 (34*2π)/37211 weeks
353.28476 3.43701 (35*2π)/37211 weeks
362.07802 4.60381 (36*2π)/37210 weeks
37.24918 4.97522 (37*2π)/37210 weeks
38-.84793 4.16484 (38*2π)/37210 weeks
39-2.06049 2.40569 (39*2π)/37210 weeks
40-1.56969 1.20439 (40*2π)/3729 weeks
41-.65424 -.04984 (41*2π)/3729 weeks
42.81702 -.54715 (42*2π)/3729 weeks
432.07164 -.2265 (43*2π)/3729 weeks
442.61745 1.43385 (44*2π)/3728 weeks
452.94741 2.61724 (45*2π)/3728 weeks
461.90489 3.67155 (46*2π)/3728 weeks
47.61673 4.01427 (47*2π)/3728 weeks
48-.70626 3.36517 (48*2π)/3728 weeks
49-1.6788 2.20342 (49*2π)/3728 weeks
50-1.55759 .96974 (50*2π)/3727 weeks
51-.92787 -.35252 (51*2π)/3727 weeks
52.33057 -.77006 (52*2π)/3727 weeks
531.62855 -.91073 (53*2π)/3727 weeks
542.53701 .33379 (54*2π)/3727 weeks
553.00333 1.11246 (55*2π)/3727 weeks
562.57049 2.39624 (56*2π)/3727 weeks
571.64879 3.11775 (57*2π)/3727 weeks
58.12423 3.11158 (58*2π)/3726 weeks
59-.50144 2.62529 (59*2π)/3726 weeks
60-1.16057 1.41302 (60*2π)/3726 weeks
61-.86578 .23827 (61*2π)/3726 weeks
62-.05789 -.64104 (62*2π)/3726 weeks
63.89103 -.77928 (63*2π)/3726 weeks
642.23698 -.21748 (64*2π)/3726 weeks
652.77195 .85702 (65*2π)/3726 weeks
662.74286 1.82871 (66*2π)/3726 weeks
671.98597 2.97267 (67*2π)/3726 weeks
68.76537 3.16295 (68*2π)/3725 weeks
69-.26846 3.16248 (69*2π)/3725 weeks
70-1.18039 2.29644 (70*2π)/3725 weeks
71-1.41319 1.28228 (71*2π)/3725 weeks
72-1.03859 .10279 (72*2π)/3725 weeks
73-.49673 -.46868 (73*2π)/3725 weeks
74.78468 -.59836 (74*2π)/3725 weeks
751.30939 -.26643 (75*2π)/3725 weeks
761.92269 .32111 (76*2π)/3725 weeks
771.65894 1.23579 (77*2π)/3725 weeks
781.15316 1.70286 (78*2π)/3725 weeks
79.45543 1.70652 (79*2π)/3725 weeks
80-.22363 1.33411 (80*2π)/3725 weeks
81-.42895 .6319 (81*2π)/3725 weeks
82-.05165 -.03973 (82*2π)/3725 weeks
83.52373 -.35743 (83*2π)/3724 weeks
841.35212 -.52157 (84*2π)/3724 weeks
851.99432 -.00133 (85*2π)/3724 weeks
862.38528 .84257 (86*2π)/3724 weeks
872.0523 1.55263 (87*2π)/3724 weeks
881.53467 2.28982 (88*2π)/3724 weeks
89.60259 2.43497 (89*2π)/3724 weeks
90-.29588 2.10763 (90*2π)/3724 weeks
91-.8181 1.45059 (91*2π)/3724 weeks
92-.78221 .46551 (92*2π)/3724 weeks
93-.43562 -.35015 (93*2π)/3724 weeks
94.28737 -.7219 (94*2π)/3724 weeks
951.29186 -.58486 (95*2π)/3724 weeks
961.8697 -.11299 (96*2π)/3724 weeks
972.06419 .64294 (97*2π)/3724 weeks
981.73077 1.30435 (98*2π)/3724 weeks
991.13336 1.94921 (99*2π)/3724 weeks
100.36239 1.86909 (100*2π)/3724 weeks
101-.23278 1.53427 (101*2π)/3724 weeks
102-.55174 .8474 (102*2π)/3724 weeks
103-.44904 .06194 (103*2π)/3724 weeks
104.05246 -.4809 (104*2π)/3724 weeks
105.7196 -.72422 (105*2π)/3724 weeks
1061.30821 -.41422 (106*2π)/3724 weeks
1071.78162 .03144 (107*2π)/3723 weeks
1081.703 .87038 (108*2π)/3723 weeks
1091.409 1.42934 (109*2π)/3723 weeks
110.77848 1.66087 (110*2π)/3723 weeks
111.10752 1.48119 (111*2π)/3723 weeks
112-.27124 .84039 (112*2π)/3723 weeks
113-.42529 .29904 (113*2π)/3723 weeks
114-.01069 -.3815 (114*2π)/3723 weeks
115.56422 -.56291 (115*2π)/3723 weeks
1161.12313 -.56179 (116*2π)/3723 weeks
1171.55971 -.0768 (117*2π)/3723 weeks
1181.70477 .54994 (118*2π)/3723 weeks
1191.54349 .99975 (119*2π)/3723 weeks
120.90151 1.41201 (120*2π)/3723 weeks
121.42118 1.45591 (121*2π)/3723 weeks
122-.18982 .9695 (122*2π)/3723 weeks
123-.22363 .4224 (123*2π)/3723 weeks
124-.14211 -.27424 (124*2π)/3723 weeks
125.48349 -.58174 (125*2π)/3723 weeks
1261.05322 -.58613 (126*2π)/3723 weeks
1271.57989 -.32858 (127*2π)/3723 weeks
1281.96515 .40975 (128*2π)/3723 weeks
1291.70574 .88224 (129*2π)/3723 weeks
1301.2983 1.41943 (130*2π)/3723 weeks
131.63382 1.63609 (131*2π)/3723 weeks
132-.01277 1.45155 (132*2π)/3723 weeks
133-.45647 .80691 (133*2π)/3723 weeks
134-.5869 .13585 (134*2π)/3723 weeks
135-.26299 -.4335 (135*2π)/3723 weeks
136.29049 -.78564 (136*2π)/3723 weeks
137.95636 -.79773 (137*2π)/3723 weeks
1381.52636 -.33663 (138*2π)/3723 weeks
1391.60521 .20673 (139*2π)/3723 weeks
1401.51381 .78182 (140*2π)/3723 weeks
141.94973 1.02161 (141*2π)/3723 weeks
142.46144 1.09053 (142*2π)/3723 weeks
143-.06217 .75353 (143*2π)/3723 weeks
144-.19517 .29191 (144*2π)/3723 weeks
145-.04529 -.17541 (145*2π)/3723 weeks
146.44292 -.67853 (146*2π)/3723 weeks
147.92396 -.77534 (147*2π)/3723 weeks
1481.46828 -.45215 (148*2π)/3723 weeks
1491.68434 .02277 (149*2π)/3722 weeks
1501.57293 .61423 (150*2π)/3722 weeks
1511.28367 1.09535 (151*2π)/3722 weeks
152.56814 1.19765 (152*2π)/3722 weeks
153.19705 1.04431 (153*2π)/3722 weeks
154-.18861 .60808 (154*2π)/3722 weeks
155-.25744 -.02326 (155*2π)/3722 weeks
156.0955 -.42397 (156*2π)/3722 weeks
157.6635 -.66012 (157*2π)/3722 weeks
1581.14496 -.55134 (158*2π)/3722 weeks
1591.59782 -.19344 (159*2π)/3722 weeks
1601.5596 .30543 (160*2π)/3722 weeks
1611.34058 .86633 (161*2π)/3722 weeks
162.76487 1.09536 (162*2π)/3722 weeks
163.31068 .994 (163*2π)/3722 weeks
164-.15283 .62895 (164*2π)/3722 weeks
165-.34894 .03969 (165*2π)/3722 weeks
166-.14149 -.50107 (166*2π)/3722 weeks
167.37445 -.85832 (167*2π)/3722 weeks
168.95711 -.93487 (168*2π)/3722 weeks
1691.47111 -.61443 (169*2π)/3722 weeks
1701.7566 -.18334 (170*2π)/3722 weeks
1711.66752 .52486 (171*2π)/3722 weeks
1721.22343 .87015 (172*2π)/3722 weeks
173.66452 1.22367 (173*2π)/3722 weeks
174.06968 .84833 (174*2π)/3722 weeks
175-.28479 .54464 (175*2π)/3722 weeks
176-.21131 -.13308 (176*2π)/3722 weeks
177-.02656 -.62437 (177*2π)/3722 weeks
178.56115 -.93175 (178*2π)/3722 weeks
179.9826 -.86314 (179*2π)/3722 weeks
1801.43565 -.42787 (180*2π)/3722 weeks
1811.51559 .0147 (181*2π)/3722 weeks
1821.42829 .51028 (182*2π)/3722 weeks
183.96475 .89968 (183*2π)/3722 weeks
184.55254 .75984 (184*2π)/3722 weeks
185.04075 .48476 (185*2π)/3722 weeks
186-.12296   (186*2π)/3722 weeks
187.04075 -.48476 (187*2π)/3722 weeks
188.55254 -.75984 (188*2π)/3722 weeks
189.96475 -.89968 (189*2π)/3722 weeks
1901.42829 -.51028 (190*2π)/3722 weeks
1911.51559 -.0147 (191*2π)/3722 weeks
1921.43565 .42787 (192*2π)/3722 weeks
193.9826 .86314 (193*2π)/3722 weeks
194.56115 .93175 (194*2π)/3722 weeks
195-.02656 .62437 (195*2π)/3722 weeks
196-.21131 .13308 (196*2π)/3722 weeks
197-.28479 -.54464 (197*2π)/3722 weeks
198.06968 -.84833 (198*2π)/3722 weeks
199.66452 -1.22367 (199*2π)/3722 weeks
2001.22343 -.87015 (200*2π)/3722 weeks
2011.66752 -.52486 (201*2π)/3722 weeks
2021.7566 .18334 (202*2π)/3722 weeks
2031.47111 .61443 (203*2π)/3722 weeks
204.95711 .93487 (204*2π)/3722 weeks
205.37445 .85832 (205*2π)/3722 weeks
206-.14149 .50107 (206*2π)/3722 weeks
207-.34894 -.03969 (207*2π)/3722 weeks
208-.15283 -.62895 (208*2π)/3722 weeks
209.31068 -.994 (209*2π)/3722 weeks
210.76487 -1.09536 (210*2π)/3722 weeks
2111.34058 -.86633 (211*2π)/3722 weeks
2121.5596 -.30543 (212*2π)/3722 weeks
2131.59782 .19344 (213*2π)/3722 weeks
2141.14496 .55134 (214*2π)/3722 weeks
215.6635 .66012 (215*2π)/3722 weeks
216.0955 .42397 (216*2π)/3722 weeks
217-.25744 .02326 (217*2π)/3722 weeks
218-.18861 -.60808 (218*2π)/3722 weeks
219.19705 -1.04431 (219*2π)/3722 weeks
220.56814 -1.19765 (220*2π)/3722 weeks
2211.28367 -1.09535 (221*2π)/3722 weeks
2221.57293 -.61423 (222*2π)/3722 weeks
2231.68434 -.02277 (223*2π)/3722 weeks
2241.46828 .45215 (224*2π)/3722 weeks
225.92396 .77534 (225*2π)/3722 weeks
226.44292 .67853 (226*2π)/3722 weeks
227-.04529 .17541 (227*2π)/3722 weeks
228-.19517 -.29191 (228*2π)/3722 weeks
229-.06217 -.75353 (229*2π)/3722 weeks
230.46144 -1.09053 (230*2π)/3722 weeks
231.94973 -1.02161 (231*2π)/3722 weeks
2321.51381 -.78182 (232*2π)/3722 weeks
2331.60521 -.20673 (233*2π)/3722 weeks
2341.52636 .33663 (234*2π)/3722 weeks
235.95636 .79773 (235*2π)/3722 weeks
236.29049 .78564 (236*2π)/3722 weeks
237-.26299 .4335 (237*2π)/3722 weeks
238-.5869 -.13585 (238*2π)/3722 weeks
239-.45647 -.80691 (239*2π)/3722 weeks
240-.01277 -1.45155 (240*2π)/3722 weeks
241.63382 -1.63609 (241*2π)/3722 weeks
2421.2983 -1.41943 (242*2π)/3722 weeks
2431.70574 -.88224 (243*2π)/3722 weeks
2441.96515 -.40975 (244*2π)/3722 weeks
2451.57989 .32858 (245*2π)/3722 weeks
2461.05322 .58613 (246*2π)/3722 weeks
247.48349 .58174 (247*2π)/3722 weeks
248-.14211 .27424 (248*2π)/3722 weeks
249-.22363 -.4224 (249*2π)/3721 weeks
250-.18982 -.9695 (250*2π)/3721 weeks
251.42118 -1.45591 (251*2π)/3721 weeks
252.90151 -1.41201 (252*2π)/3721 weeks
2531.54349 -.99975 (253*2π)/3721 weeks
2541.70477 -.54994 (254*2π)/3721 weeks
2551.55971 .0768 (255*2π)/3721 weeks
2561.12313 .56179 (256*2π)/3721 weeks
257.56422 .56291 (257*2π)/3721 weeks
258-.01069 .3815 (258*2π)/3721 weeks
259-.42529 -.29904 (259*2π)/3721 weeks
260-.27124 -.84039 (260*2π)/3721 weeks
261.10752 -1.48119 (261*2π)/3721 weeks
262.77848 -1.66087 (262*2π)/3721 weeks
2631.409 -1.42934 (263*2π)/3721 weeks
2641.703 -.87038 (264*2π)/3721 weeks
2651.78162 -.03144 (265*2π)/3721 weeks
2661.30821 .41422 (266*2π)/3721 weeks
267.7196 .72422 (267*2π)/3721 weeks
268.05246 .4809 (268*2π)/3721 weeks
269-.44904 -.06194 (269*2π)/3721 weeks
270-.55174 -.8474 (270*2π)/3721 weeks
271-.23278 -1.53427 (271*2π)/3721 weeks
272.36239 -1.86909 (272*2π)/3721 weeks
2731.13336 -1.94921 (273*2π)/3721 weeks
2741.73077 -1.30435 (274*2π)/3721 weeks
2752.06419 -.64294 (275*2π)/3721 weeks
2761.8697 .11299 (276*2π)/3721 weeks
2771.29186 .58486 (277*2π)/3721 weeks
278.28737 .7219 (278*2π)/3721 weeks
279-.43562 .35015 (279*2π)/3721 weeks
280-.78221 -.46551 (280*2π)/3721 weeks
281-.8181 -1.45059 (281*2π)/3721 weeks
282-.29588 -2.10763 (282*2π)/3721 weeks
283.60259 -2.43497 (283*2π)/3721 weeks
2841.53467 -2.28982 (284*2π)/3721 weeks
2852.0523 -1.55263 (285*2π)/3721 weeks
2862.38528 -.84257 (286*2π)/3721 weeks
2871.99432 .00133 (287*2π)/3721 weeks
2881.35212 .52157 (288*2π)/3721 weeks
289.52373 .35743 (289*2π)/3721 weeks
290-.05165 .03973 (290*2π)/3721 weeks
291-.42895 -.6319 (291*2π)/3721 weeks
292-.22363 -1.33411 (292*2π)/3721 weeks
293.45543 -1.70652 (293*2π)/3721 weeks
2941.15316 -1.70286 (294*2π)/3721 weeks
2951.65894 -1.23579 (295*2π)/3721 weeks
2961.92269 -.32111 (296*2π)/3721 weeks
2971.30939 .26643 (297*2π)/3721 weeks
298.78468 .59836 (298*2π)/3721 weeks
299-.49673 .46868 (299*2π)/3721 weeks
300-1.03859 -.10279 (300*2π)/3721 weeks
301-1.41319 -1.28228 (301*2π)/3721 weeks
302-1.18039 -2.29644 (302*2π)/3721 weeks
303-.26846 -3.16248 (303*2π)/3721 weeks
304.76537 -3.16295 (304*2π)/3721 weeks
3051.98597 -2.97267 (305*2π)/3721 weeks
3062.74286 -1.82871 (306*2π)/3721 weeks
3072.77195 -.85702 (307*2π)/3721 weeks
3082.23698 .21748 (308*2π)/3721 weeks
309.89103 .77928 (309*2π)/3721 weeks
310-.05789 .64104 (310*2π)/3721 weeks
311-.86578 -.23827 (311*2π)/3721 weeks
312-1.16057 -1.41302 (312*2π)/3721 weeks
313-.50144 -2.62529 (313*2π)/3721 weeks
314.12423 -3.11158 (314*2π)/3721 weeks
3151.64879 -3.11775 (315*2π)/3721 weeks
3162.57049 -2.39624 (316*2π)/3721 weeks
3173.00333 -1.11246 (317*2π)/3721 weeks
3182.53701 -.33379 (318*2π)/3721 weeks
3191.62855 .91073 (319*2π)/3721 weeks
320.33057 .77006 (320*2π)/3721 weeks
321-.92787 .35252 (321*2π)/3721 weeks
322-1.55759 -.96974 (322*2π)/3721 weeks
323-1.6788 -2.20342 (323*2π)/3721 weeks
324-.70626 -3.36517 (324*2π)/3721 weeks
325.61673 -4.01427 (325*2π)/3721 weeks
3261.90489 -3.67155 (326*2π)/3721 weeks
3272.94741 -2.61724 (327*2π)/3721 weeks
3282.61745 -1.43385 (328*2π)/3721 weeks
3292.07164 .2265 (329*2π)/3721 weeks
330.81702 .54715 (330*2π)/3721 weeks
331-.65424 .04984 (331*2π)/3721 weeks
332-1.56969 -1.20439 (332*2π)/3721 weeks
333-2.06049 -2.40569 (333*2π)/3721 weeks
334-.84793 -4.16484 (334*2π)/3721 weeks
335.24918 -4.97522 (335*2π)/3721 weeks
3362.07802 -4.60381 (336*2π)/3721 weeks
3373.28476 -3.43701 (337*2π)/3721 weeks
3383.76077 -1.98751 (338*2π)/3721 weeks
3393.32194 -.01587 (339*2π)/3721 weeks
340.95737 .70849 (340*2π)/3721 weeks
341-.62311 .93149 (341*2π)/3721 weeks
342-2.78137 -.7025 (342*2π)/3721 weeks
343-3.46724 -2.68774 (343*2π)/3721 weeks
344-2.98949 -5.42257 (344*2π)/3721 weeks
345-.89844 -7.32559 (345*2π)/3721 weeks
3461.39802 -8.07919 (346*2π)/3721 weeks
3474.01456 -6.89213 (347*2π)/3721 weeks
3486.14964 -5.02345 (348*2π)/3721 weeks
3496.19578 -1.92561 (349*2π)/3721 weeks
3504.47428 .41185 (350*2π)/3721 weeks
3511.91361 1.98757 (351*2π)/3721 weeks
352-1.82978 1.0805 (352*2π)/3721 weeks
353-4.62587 -1.82945 (353*2π)/3721 weeks
354-5.7446 -5.3034 (354*2π)/3721 weeks
355-4.12028 -8.67489 (355*2π)/3721 weeks
356-.91172 -11.00063 (356*2π)/3721 weeks
3573.99826 -11.7986 (357*2π)/3721 weeks
3587.32878 -9.3669 (358*2π)/3721 weeks
3599.22121 -5.14764 (359*2π)/3721 weeks
3607.97155 -.1245 (360*2π)/3721 weeks
3613.80073 2.43625 (361*2π)/3721 weeks
362-2.52996 4.0751 (362*2π)/3721 weeks
363-9.90824 -.15957 (363*2π)/3721 weeks
364-14.91419 -7.40167 (364*2π)/3721 weeks
365-14.39282 -18.27585 (365*2π)/3721 weeks
366-10.50548 -28.82257 (366*2π)/3721 weeks
367-1.19816 -39.28859 (367*2π)/3721 weeks
36815.41645 -41.80104 (368*2π)/3721 weeks
36930.0916 -39.92883 (369*2π)/3721 weeks
37053.15768 -30.95647 (370*2π)/3721 weeks



Back to list of Stocks