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# Fourier Analysis of SANW (S&W Seed Company)

SANW (S&W Seed Company) appears to have interesting cyclic behaviour every 23 weeks (.2467*cosine), 37 weeks (.182*sine), and 11 weeks (.0977*cosine).

SANW (S&W Seed Company) has an average price of 5.14 (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 6/14/2010 to 3/19/2018 for SANW (S&W Seed Company), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
05.13771   0
1-1.42205 .99344 (1*2π)/406406 weeks
2-.27148 -1.02872 (2*2π)/406203 weeks
3.06915 .34632 (3*2π)/406135 weeks
4-.26587 .05045 (4*2π)/406102 weeks
5-.03419 -.0886 (5*2π)/40681 weeks
6.40608 .10562 (6*2π)/40668 weeks
7-.29724 -.0745 (7*2π)/40658 weeks
8.27984 -.06883 (8*2π)/40651 weeks
9-.01137 -.05613 (9*2π)/40645 weeks
10.11675 .0577 (10*2π)/40641 weeks
11-.10347 -.18201 (11*2π)/40637 weeks
12.08087 -.05205 (12*2π)/40634 weeks
13.05252 -.05848 (13*2π)/40631 weeks
14.03376 .14731 (14*2π)/40629 weeks
15-.09816 .15364 (15*2π)/40627 weeks
16-.07946 -.15742 (16*2π)/40625 weeks
17.11026 .1288 (17*2π)/40624 weeks
18-.24674 -.06512 (18*2π)/40623 weeks
19.02068 -.05077 (19*2π)/40621 weeks
20.01408 -.09232 (20*2π)/40620 weeks
21-.05966 .02597 (21*2π)/40619 weeks
22.04534 -.05148 (22*2π)/40618 weeks
23-.00172 .01272 (23*2π)/40618 weeks
24.03723 .08171 (24*2π)/40617 weeks
25-.09113 .00436 (25*2π)/40616 weeks
26.09359 -.07645 (26*2π)/40616 weeks
27-.02802 .09383 (27*2π)/40615 weeks
28-.00094 -.03977 (28*2π)/40615 weeks
29-.0278 .08039 (29*2π)/40614 weeks
30-.05601 -.00594 (30*2π)/40614 weeks
31.04637 .02415 (31*2π)/40613 weeks
32-.03372 .03533 (32*2π)/40613 weeks
33.05942 -.04711 (33*2π)/40612 weeks
34.02221 .00854 (34*2π)/40612 weeks
35-.01802 -.05747 (35*2π)/40612 weeks
36-.02181 -.0248 (36*2π)/40611 weeks
37.09773 .01287 (37*2π)/40611 weeks
38-.0223 .01902 (38*2π)/40611 weeks
39.01449 .02075 (39*2π)/40610 weeks
40.03865 .01598 (40*2π)/40610 weeks
41-.0635 .03205 (41*2π)/40610 weeks
42.07123 -.03884 (42*2π)/40610 weeks
43.01798 -.00283 (43*2π)/4069 weeks
44-.02361 .03445 (44*2π)/4069 weeks
45-.02629 -.06184 (45*2π)/4069 weeks
46.04584 .00506 (46*2π)/4069 weeks
47-.03814 .02584 (47*2π)/4069 weeks
48-.00778 -.02831 (48*2π)/4068 weeks
49.03401 .00332 (49*2π)/4068 weeks
50-.01842 -.03901 (50*2π)/4068 weeks
51.05259 .03064 (51*2π)/4068 weeks
52-.04401 .02201 (52*2π)/4068 weeks
53.02735 -.05693 (53*2π)/4068 weeks
54.01058 .01364 (54*2π)/4068 weeks
55-.02137 -.03677 (55*2π)/4067 weeks
56.01526 -.00013 (56*2π)/4067 weeks
57-.03325 .01175 (57*2π)/4067 weeks
58.01521 -.04086 (58*2π)/4067 weeks
59-.01655 -.00582 (59*2π)/4067 weeks
60.00874 .00811 (60*2π)/4067 weeks
61-.03808 .0092 (61*2π)/4067 weeks
62.01174 -.04573 (62*2π)/4067 weeks
63-.00949 .02722 (63*2π)/4066 weeks
64.02564 -.01573 (64*2π)/4066 weeks
65.01672 -.00232 (65*2π)/4066 weeks
66-.00995 .00359 (66*2π)/4066 weeks
67.03945 -.00553 (67*2π)/4066 weeks
68-.01579 .03844 (68*2π)/4066 weeks
69-.03335 -.01213 (69*2π)/4066 weeks
70.01485 -.01142 (70*2π)/4066 weeks
71-.0026 -.02222 (71*2π)/4066 weeks
72-.0236 -.00955 (72*2π)/4066 weeks
73-.00482 -.02848 (73*2π)/4066 weeks
74-.0021 -.03383 (74*2π)/4065 weeks
75.00799 .02768 (75*2π)/4065 weeks
76.00969 -.01811 (76*2π)/4065 weeks
77-.0051 .00608 (77*2π)/4065 weeks
78-.01385 -.00948 (78*2π)/4065 weeks
79.01396 .00037 (79*2π)/4065 weeks
80-.03409 .01666 (80*2π)/4065 weeks
81.00996 -.00154 (81*2π)/4065 weeks
82-.01531 .00905 (82*2π)/4065 weeks
83.00761 -.02137 (83*2π)/4065 weeks
84.02804 .02006 (84*2π)/4065 weeks
85-.01639 -.00594 (85*2π)/4065 weeks
86.03429 .02578 (86*2π)/4065 weeks
87-.01595 -.02229 (87*2π)/4065 weeks
88.04203 -.00513 (88*2π)/4065 weeks
89-.00042 -.00251 (89*2π)/4065 weeks
90.01148 -.00635 (90*2π)/4065 weeks
91.00209 .01291 (91*2π)/4064 weeks
92.00352 -.01713 (92*2π)/4064 weeks
93.01939 .01423 (93*2π)/4064 weeks
94.02638 .00644 (94*2π)/4064 weeks
95.00577 .00383 (95*2π)/4064 weeks
96-.02212 -.02655 (96*2π)/4064 weeks
97.01091 .00442 (97*2π)/4064 weeks
98.03182 -.01737 (98*2π)/4064 weeks
99-.01799 .0017 (99*2π)/4064 weeks
100.00217 -.00882 (100*2π)/4064 weeks
101-.00518 .00245 (101*2π)/4064 weeks
102.02045 .01368 (102*2π)/4064 weeks
103-.00275 .01069 (103*2π)/4064 weeks
104.02492 -.02465 (104*2π)/4064 weeks
105.01756 .00599 (105*2π)/4064 weeks
106-.02962 .01216 (106*2π)/4064 weeks
107.00443 -.0249 (107*2π)/4064 weeks
108.03749 .02305 (108*2π)/4064 weeks
109-.03276 .01591 (109*2π)/4064 weeks
110.00719 -.01023 (110*2π)/4064 weeks
111-.02417 .00864 (111*2π)/4064 weeks
112-.00691 .00098 (112*2π)/4064 weeks
113-.00162 .0206 (113*2π)/4064 weeks
114-.0027 -.03477 (114*2π)/4064 weeks
115.00456 .01113 (115*2π)/4064 weeks
116-.00758 -.01694 (116*2π)/4064 weeks
117.02581 .00829 (117*2π)/4063 weeks
118.00333 .01393 (118*2π)/4063 weeks
119-.00692 .01345 (119*2π)/4063 weeks
120-.01013 .0063 (120*2π)/4063 weeks
121.00586 .00825 (121*2π)/4063 weeks
122-.01032 .00361 (122*2π)/4063 weeks
123-.02429 -.00127 (123*2π)/4063 weeks
124-.01231 .01329 (124*2π)/4063 weeks
125.01361 -.01951 (125*2π)/4063 weeks
126-.02742 .01733 (126*2π)/4063 weeks
127.01037 -.00403 (127*2π)/4063 weeks
128-.00491 -.00478 (128*2π)/4063 weeks
129.01183 .00268 (129*2π)/4063 weeks
130-.00255 .01121 (130*2π)/4063 weeks
131.00541 -.00558 (131*2π)/4063 weeks
132.00581 .02059 (132*2π)/4063 weeks
133-.01673 -.02852 (133*2π)/4063 weeks
134.00889 -.01332 (134*2π)/4063 weeks
135-.01728 .01146 (135*2π)/4063 weeks
136.01322 .00424 (136*2π)/4063 weeks
137-.01243 .00063 (137*2π)/4063 weeks
138.00634 .00057 (138*2π)/4063 weeks
139-.01743 -.00185 (139*2π)/4063 weeks
140.02322 .0008 (140*2π)/4063 weeks
141.00049 .00995 (141*2π)/4063 weeks
142.01517 -.02757 (142*2π)/4063 weeks
143.02766 .00861 (143*2π)/4063 weeks
144-.00492 .00209 (144*2π)/4063 weeks
145.00601 -.00337 (145*2π)/4063 weeks
146.02126 .007 (146*2π)/4063 weeks
147.00101 .01817 (147*2π)/4063 weeks
148.00954 -.00927 (148*2π)/4063 weeks
149.01174 .01307 (149*2π)/4063 weeks
150-.02071 .00274 (150*2π)/4063 weeks
151.01441 -.01673 (151*2π)/4063 weeks
152-.0012 .01138 (152*2π)/4063 weeks
153.00499 -.00684 (153*2π)/4063 weeks
154.01341 .02043 (154*2π)/4063 weeks
155.01631 .00098 (155*2π)/4063 weeks
156.00098 -.00056 (156*2π)/4063 weeks
157.00045 .01618 (157*2π)/4063 weeks
158-.00078 -.01306 (158*2π)/4063 weeks
159-.00124 -.00489 (159*2π)/4063 weeks
160.01713 .01991 (160*2π)/4063 weeks
161-.04002 -.00837 (161*2π)/4063 weeks
162.017 .00837 (162*2π)/4063 weeks
163-.00696 .00753 (163*2π)/4062 weeks
164-.00665 .00901 (164*2π)/4062 weeks
165.01394 .00179 (165*2π)/4062 weeks
166.00774 .01592 (166*2π)/4062 weeks
167-.01945 -.0036 (167*2π)/4062 weeks
168.00085 -.0104 (168*2π)/4062 weeks
169.00035 .0055 (169*2π)/4062 weeks
170.00847 .01718 (170*2π)/4062 weeks
171-.00502 .00996 (171*2π)/4062 weeks
172.0011 .00802 (172*2π)/4062 weeks
173-.00454 .00432 (173*2π)/4062 weeks
174.00066 -.00174 (174*2π)/4062 weeks
175-.00387 .00141 (175*2π)/4062 weeks
176-.02254 -.01319 (176*2π)/4062 weeks
177.00239 .03165 (177*2π)/4062 weeks
178-.00742 .00074 (178*2π)/4062 weeks
179-.00611 -.01929 (179*2π)/4062 weeks
180-.01776 .01609 (180*2π)/4062 weeks
181-.01818 -.00941 (181*2π)/4062 weeks
182.01189 .00532 (182*2π)/4062 weeks
183-.0046 -.00451 (183*2π)/4062 weeks
184.00424 -.00017 (184*2π)/4062 weeks
185-.01237 .00261 (185*2π)/4062 weeks
186-.00754 .00816 (186*2π)/4062 weeks
187-.00224 -.00303 (187*2π)/4062 weeks
188-.01094 -.01117 (188*2π)/4062 weeks
189.00866 -.00373 (189*2π)/4062 weeks
190.01795 .00588 (190*2π)/4062 weeks
191-.01116 -.00285 (191*2π)/4062 weeks
192-.00488 -.01391 (192*2π)/4062 weeks
193.02221 .0096 (193*2π)/4062 weeks
194-.00734 .00926 (194*2π)/4062 weeks
195.02513 .00045 (195*2π)/4062 weeks
196.00598 .00441 (196*2π)/4062 weeks
197-.01631 -.0062 (197*2π)/4062 weeks
198.02623 -.01254 (198*2π)/4062 weeks
199.00167 .0007 (199*2π)/4062 weeks
200-.01912 -.00152 (200*2π)/4062 weeks
201.00785 -.00632 (201*2π)/4062 weeks
202-.01487 .00312 (202*2π)/4062 weeks
203.00719   (203*2π)/4062 weeks
204-.01487 -.00312 (204*2π)/4062 weeks
205.00785 .00632 (205*2π)/4062 weeks
206-.01912 .00152 (206*2π)/4062 weeks
207.00167 -.0007 (207*2π)/4062 weeks
208.02623 .01254 (208*2π)/4062 weeks
209-.01631 .0062 (209*2π)/4062 weeks
210.00598 -.00441 (210*2π)/4062 weeks
211.02513 -.00045 (211*2π)/4062 weeks
212-.00734 -.00926 (212*2π)/4062 weeks
213.02221 -.0096 (213*2π)/4062 weeks
214-.00488 .01391 (214*2π)/4062 weeks
215-.01116 .00285 (215*2π)/4062 weeks
216.01795 -.00588 (216*2π)/4062 weeks
217.00866 .00373 (217*2π)/4062 weeks
218-.01094 .01117 (218*2π)/4062 weeks
219-.00224 .00303 (219*2π)/4062 weeks
220-.00754 -.00816 (220*2π)/4062 weeks
221-.01237 -.00261 (221*2π)/4062 weeks
222.00424 .00017 (222*2π)/4062 weeks
223-.0046 .00451 (223*2π)/4062 weeks
224.01189 -.00532 (224*2π)/4062 weeks
225-.01818 .00941 (225*2π)/4062 weeks
226-.01776 -.01609 (226*2π)/4062 weeks
227-.00611 .01929 (227*2π)/4062 weeks
228-.00742 -.00074 (228*2π)/4062 weeks
229.00239 -.03165 (229*2π)/4062 weeks
230-.02254 .01319 (230*2π)/4062 weeks
231-.00387 -.00141 (231*2π)/4062 weeks
232.00066 .00174 (232*2π)/4062 weeks
233-.00454 -.00432 (233*2π)/4062 weeks
234.0011 -.00802 (234*2π)/4062 weeks
235-.00502 -.00996 (235*2π)/4062 weeks
236.00847 -.01718 (236*2π)/4062 weeks
237.00035 -.0055 (237*2π)/4062 weeks
238.00085 .0104 (238*2π)/4062 weeks
239-.01945 .0036 (239*2π)/4062 weeks
240.00774 -.01592 (240*2π)/4062 weeks
241.01394 -.00179 (241*2π)/4062 weeks
242-.00665 -.00901 (242*2π)/4062 weeks
243-.00696 -.00753 (243*2π)/4062 weeks
244.017 -.00837 (244*2π)/4062 weeks
245-.04002 .00837 (245*2π)/4062 weeks
246.01713 -.01991 (246*2π)/4062 weeks
247-.00124 .00489 (247*2π)/4062 weeks
248-.00078 .01306 (248*2π)/4062 weeks
249.00045 -.01618 (249*2π)/4062 weeks
250.00098 .00056 (250*2π)/4062 weeks
251.01631 -.00098 (251*2π)/4062 weeks
252.01341 -.02043 (252*2π)/4062 weeks
253.00499 .00684 (253*2π)/4062 weeks
254-.0012 -.01138 (254*2π)/4062 weeks
255.01441 .01673 (255*2π)/4062 weeks
256-.02071 -.00274 (256*2π)/4062 weeks
257.01174 -.01307 (257*2π)/4062 weeks
258.00954 .00927 (258*2π)/4062 weeks
259.00101 -.01817 (259*2π)/4062 weeks
260.02126 -.007 (260*2π)/4062 weeks
261.00601 .00337 (261*2π)/4062 weeks
262-.00492 -.00209 (262*2π)/4062 weeks
263.02766 -.00861 (263*2π)/4062 weeks
264.01517 .02757 (264*2π)/4062 weeks
265.00049 -.00995 (265*2π)/4062 weeks
266.02322 -.0008 (266*2π)/4062 weeks
267-.01743 .00185 (267*2π)/4062 weeks
268.00634 -.00057 (268*2π)/4062 weeks
269-.01243 -.00063 (269*2π)/4062 weeks
270.01322 -.00424 (270*2π)/4062 weeks
271-.01728 -.01146 (271*2π)/4061 weeks
272.00889 .01332 (272*2π)/4061 weeks
273-.01673 .02852 (273*2π)/4061 weeks
274.00581 -.02059 (274*2π)/4061 weeks
275.00541 .00558 (275*2π)/4061 weeks
276-.00255 -.01121 (276*2π)/4061 weeks
277.01183 -.00268 (277*2π)/4061 weeks
278-.00491 .00478 (278*2π)/4061 weeks
279.01037 .00403 (279*2π)/4061 weeks
280-.02742 -.01733 (280*2π)/4061 weeks
281.01361 .01951 (281*2π)/4061 weeks
282-.01231 -.01329 (282*2π)/4061 weeks
283-.02429 .00127 (283*2π)/4061 weeks
284-.01032 -.00361 (284*2π)/4061 weeks
285.00586 -.00825 (285*2π)/4061 weeks
286-.01013 -.0063 (286*2π)/4061 weeks
287-.00692 -.01345 (287*2π)/4061 weeks
288.00333 -.01393 (288*2π)/4061 weeks
289.02581 -.00829 (289*2π)/4061 weeks
290-.00758 .01694 (290*2π)/4061 weeks
291.00456 -.01113 (291*2π)/4061 weeks
292-.0027 .03477 (292*2π)/4061 weeks
293-.00162 -.0206 (293*2π)/4061 weeks
294-.00691 -.00098 (294*2π)/4061 weeks
295-.02417 -.00864 (295*2π)/4061 weeks
296.00719 .01023 (296*2π)/4061 weeks
297-.03276 -.01591 (297*2π)/4061 weeks
298.03749 -.02305 (298*2π)/4061 weeks
299.00443 .0249 (299*2π)/4061 weeks
300-.02962 -.01216 (300*2π)/4061 weeks
301.01756 -.00599 (301*2π)/4061 weeks
302.02492 .02465 (302*2π)/4061 weeks
303-.00275 -.01069 (303*2π)/4061 weeks
304.02045 -.01368 (304*2π)/4061 weeks
305-.00518 -.00245 (305*2π)/4061 weeks
306.00217 .00882 (306*2π)/4061 weeks
307-.01799 -.0017 (307*2π)/4061 weeks
308.03182 .01737 (308*2π)/4061 weeks
309.01091 -.00442 (309*2π)/4061 weeks
310-.02212 .02655 (310*2π)/4061 weeks
311.00577 -.00383 (311*2π)/4061 weeks
312.02638 -.00644 (312*2π)/4061 weeks
313.01939 -.01423 (313*2π)/4061 weeks
314.00352 .01713 (314*2π)/4061 weeks
315.00209 -.01291 (315*2π)/4061 weeks
316.01148 .00635 (316*2π)/4061 weeks
317-.00042 .00251 (317*2π)/4061 weeks
318.04203 .00513 (318*2π)/4061 weeks
319-.01595 .02229 (319*2π)/4061 weeks
320.03429 -.02578 (320*2π)/4061 weeks
321-.01639 .00594 (321*2π)/4061 weeks
322.02804 -.02006 (322*2π)/4061 weeks
323.00761 .02137 (323*2π)/4061 weeks
324-.01531 -.00905 (324*2π)/4061 weeks
325.00996 .00154 (325*2π)/4061 weeks
326-.03409 -.01666 (326*2π)/4061 weeks
327.01396 -.00037 (327*2π)/4061 weeks
328-.01385 .00948 (328*2π)/4061 weeks
329-.0051 -.00608 (329*2π)/4061 weeks
330.00969 .01811 (330*2π)/4061 weeks
331.00799 -.02768 (331*2π)/4061 weeks
332-.0021 .03383 (332*2π)/4061 weeks
333-.00482 .02848 (333*2π)/4061 weeks
334-.0236 .00955 (334*2π)/4061 weeks
335-.0026 .02222 (335*2π)/4061 weeks
336.01485 .01142 (336*2π)/4061 weeks
337-.03335 .01213 (337*2π)/4061 weeks
338-.01579 -.03844 (338*2π)/4061 weeks
339.03945 .00553 (339*2π)/4061 weeks
340-.00995 -.00359 (340*2π)/4061 weeks
341.01672 .00232 (341*2π)/4061 weeks
342.02564 .01573 (342*2π)/4061 weeks
343-.00949 -.02722 (343*2π)/4061 weeks
344.01174 .04573 (344*2π)/4061 weeks
345-.03808 -.0092 (345*2π)/4061 weeks
346.00874 -.00811 (346*2π)/4061 weeks
347-.01655 .00582 (347*2π)/4061 weeks
348.01521 .04086 (348*2π)/4061 weeks
349-.03325 -.01175 (349*2π)/4061 weeks
350.01526 .00013 (350*2π)/4061 weeks
351-.02137 .03677 (351*2π)/4061 weeks
352.01058 -.01364 (352*2π)/4061 weeks
353.02735 .05693 (353*2π)/4061 weeks
354-.04401 -.02201 (354*2π)/4061 weeks
355.05259 -.03064 (355*2π)/4061 weeks
356-.01842 .03901 (356*2π)/4061 weeks
357.03401 -.00332 (357*2π)/4061 weeks
358-.00778 .02831 (358*2π)/4061 weeks
359-.03814 -.02584 (359*2π)/4061 weeks
360.04584 -.00506 (360*2π)/4061 weeks
361-.02629 .06184 (361*2π)/4061 weeks
362-.02361 -.03445 (362*2π)/4061 weeks
363.01798 .00283 (363*2π)/4061 weeks
364.07123 .03884 (364*2π)/4061 weeks
365-.0635 -.03205 (365*2π)/4061 weeks
366.03865 -.01598 (366*2π)/4061 weeks
367.01449 -.02075 (367*2π)/4061 weeks
368-.0223 -.01902 (368*2π)/4061 weeks
369.09773 -.01287 (369*2π)/4061 weeks
370-.02181 .0248 (370*2π)/4061 weeks
371-.01802 .05747 (371*2π)/4061 weeks
372.02221 -.00854 (372*2π)/4061 weeks
373.05942 .04711 (373*2π)/4061 weeks
374-.03372 -.03533 (374*2π)/4061 weeks
375.04637 -.02415 (375*2π)/4061 weeks
376-.05601 .00594 (376*2π)/4061 weeks
377-.0278 -.08039 (377*2π)/4061 weeks
378-.00094 .03977 (378*2π)/4061 weeks
379-.02802 -.09383 (379*2π)/4061 weeks
380.09359 .07645 (380*2π)/4061 weeks
381-.09113 -.00436 (381*2π)/4061 weeks
382.03723 -.08171 (382*2π)/4061 weeks
383-.00172 -.01272 (383*2π)/4061 weeks
384.04534 .05148 (384*2π)/4061 weeks
385-.05966 -.02597 (385*2π)/4061 weeks
386.01408 .09232 (386*2π)/4061 weeks
387.02068 .05077 (387*2π)/4061 weeks
388-.24674 .06512 (388*2π)/4061 weeks
389.11026 -.1288 (389*2π)/4061 weeks
390-.07946 .15742 (390*2π)/4061 weeks
391-.09816 -.15364 (391*2π)/4061 weeks
392.03376 -.14731 (392*2π)/4061 weeks
393.05252 .05848 (393*2π)/4061 weeks
394.08087 .05205 (394*2π)/4061 weeks
395-.10347 .18201 (395*2π)/4061 weeks
396.11675 -.0577 (396*2π)/4061 weeks
397-.01137 .05613 (397*2π)/4061 weeks
398.27984 .06883 (398*2π)/4061 weeks
399-.29724 .0745 (399*2π)/4061 weeks
400.40608 -.10562 (400*2π)/4061 weeks
401-.03419 .0886 (401*2π)/4061 weeks
402-.26587 -.05045 (402*2π)/4061 weeks
403.06915 -.34632 (403*2π)/4061 weeks
404-.27148 1.02872 (404*2π)/4061 weeks