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Fourier Analysis of ANFI (Amira Nature Foods Ltd Ordinary)


ANFI (Amira Nature Foods Ltd Ordinary) appears to have interesting cyclic behaviour every 22 weeks (.5325*cosine), 18 weeks (.4858*sine), and 18 weeks (.4458*cosine).

ANFI (Amira Nature Foods Ltd Ordinary) has an average price of 10.66 (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 10/11/2012 to 11/28/2016 for ANFI (Amira Nature Foods Ltd Ordinary), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
010.65687   0 
1-3.36639 2.47723 (1*2π)/217217 weeks
2-.11481 -2.13213 (2*2π)/217109 weeks
3.27777 -.38158 (3*2π)/21772 weeks
4.36471 1.03039 (4*2π)/21754 weeks
5-.34789 .50556 (5*2π)/21743 weeks
61.00505 -1.20797 (6*2π)/21736 weeks
7-.60737 .07782 (7*2π)/21731 weeks
8-.06141 .25013 (8*2π)/21727 weeks
9.30959 .14179 (9*2π)/21724 weeks
10-.53247 .15324 (10*2π)/21722 weeks
11.12636 .26764 (11*2π)/21720 weeks
12.44584 -.48584 (12*2π)/21718 weeks
13-.07991 -.05673 (13*2π)/21717 weeks
14-.34898 .36706 (14*2π)/21716 weeks
15-.08585 -.09451 (15*2π)/21714 weeks
16.04172 -.06921 (16*2π)/21714 weeks
17-.08786 .13552 (17*2π)/21713 weeks
18.09091 -.16875 (18*2π)/21712 weeks
19-.12339 -.20357 (19*2π)/21711 weeks
20.09039 .38553 (20*2π)/21711 weeks
21-.02513 -.0956 (21*2π)/21710 weeks
22.34597 -.13924 (22*2π)/21710 weeks
23-.35898 .38547 (23*2π)/2179 weeks
24.15688 .07853 (24*2π)/2179 weeks
25-.05844 -.19471 (25*2π)/2179 weeks
26.03594 .0223 (26*2π)/2178 weeks
27.06643 -.03197 (27*2π)/2178 weeks
28.1969 -.04076 (28*2π)/2178 weeks
29-.28635 -.07176 (29*2π)/2177 weeks
30.03706 -.02399 (30*2π)/2177 weeks
31.08369 .22063 (31*2π)/2177 weeks
32-.08271 -.076 (32*2π)/2177 weeks
33.02884 -.08594 (33*2π)/2177 weeks
34.06874 -.03799 (34*2π)/2176 weeks
35-.20803 .10786 (35*2π)/2176 weeks
36-.05654 -.03481 (36*2π)/2176 weeks
37.15225 .00889 (37*2π)/2176 weeks
38-.13136 .192 (38*2π)/2176 weeks
39.13056 -.10299 (39*2π)/2176 weeks
40.11455 .01698 (40*2π)/2175 weeks
41-.10551 -.13665 (41*2π)/2175 weeks
42-.12771 .12835 (42*2π)/2175 weeks
43.14865 .02692 (43*2π)/2175 weeks
44-.15247 .10751 (44*2π)/2175 weeks
45.05991 -.13714 (45*2π)/2175 weeks
46-.04197 -.04162 (46*2π)/2175 weeks
47.0239 .23145 (47*2π)/2175 weeks
48-.07263 -.11343 (48*2π)/2175 weeks
49.13255 .06321 (49*2π)/2174 weeks
50-.04955 -.08591 (50*2π)/2174 weeks
51-.0574 .06266 (51*2π)/2174 weeks
52.04426 -.00848 (52*2π)/2174 weeks
53-.00521 .00862 (53*2π)/2174 weeks
54-.04244 -.06804 (54*2π)/2174 weeks
55-.05056 -.0121 (55*2π)/2174 weeks
56.1217 .06856 (56*2π)/2174 weeks
57-.09659 -.05631 (57*2π)/2174 weeks
58.02856 .0509 (58*2π)/2174 weeks
59.05312 .03695 (59*2π)/2174 weeks
60-.0415 .01419 (60*2π)/2174 weeks
61.05016 -.08103 (61*2π)/2174 weeks
62.01282 .12235 (62*2π)/2174 weeks
63.03536 -.02323 (63*2π)/2173 weeks
64.03074 -.03699 (64*2π)/2173 weeks
65.05771 .06878 (65*2π)/2173 weeks
66.03224 -.06515 (66*2π)/2173 weeks
67-.01547 .01233 (67*2π)/2173 weeks
68.01079 .01875 (68*2π)/2173 weeks
69.01964 .00881 (69*2π)/2173 weeks
70-.01017 -.09157 (70*2π)/2173 weeks
71.02013 .09707 (71*2π)/2173 weeks
72.06302 .01992 (72*2π)/2173 weeks
73.04807 .00796 (73*2π)/2173 weeks
74.03291 .07833 (74*2π)/2173 weeks
75.01838 -.02422 (75*2π)/2173 weeks
76-.00017 -.03315 (76*2π)/2173 weeks
77.10936 .11814 (77*2π)/2173 weeks
78-.11696 -.02371 (78*2π)/2173 weeks
79.0793 .008 (79*2π)/2173 weeks
80-.04437 .03759 (80*2π)/2173 weeks
81.04086 -.01654 (81*2π)/2173 weeks
82-.02129 .01702 (82*2π)/2173 weeks
83-.01087 .06374 (83*2π)/2173 weeks
84.03967 -.00092 (84*2π)/2173 weeks
85.01733 .07936 (85*2π)/2173 weeks
86-.00744 -.02117 (86*2π)/2173 weeks
87-.02407 .00099 (87*2π)/2172 weeks
88.0342 -.02424 (88*2π)/2172 weeks
89.0128 -.05576 (89*2π)/2172 weeks
90-.10263 -.01833 (90*2π)/2172 weeks
91.07217 .05412 (91*2π)/2172 weeks
92.02633 .06337 (92*2π)/2172 weeks
93.04178 -.01414 (93*2π)/2172 weeks
94-.02086 -.00556 (94*2π)/2172 weeks
95.04977 -.03538 (95*2π)/2172 weeks
96-.01403 .08874 (96*2π)/2172 weeks
97-.0342 .06281 (97*2π)/2172 weeks
98.02091 -.08118 (98*2π)/2172 weeks
99.00747 .03191 (99*2π)/2172 weeks
100.05545 .04093 (100*2π)/2172 weeks
101.03855 -.05478 (101*2π)/2172 weeks
102-.05929 -.0576 (102*2π)/2172 weeks
103-.11704 .01406 (103*2π)/2172 weeks
104.11041 .12121 (104*2π)/2172 weeks
105-.02094 -.04162 (105*2π)/2172 weeks
106.0118 .05198 (106*2π)/2172 weeks
107.07015 -.14492 (107*2π)/2172 weeks
108.01725 -.02929 (108*2π)/2172 weeks
109.01725 .02929 (109*2π)/2172 weeks
110.07015 .14492 (110*2π)/2172 weeks
111.0118 -.05198 (111*2π)/2172 weeks
112-.02094 .04162 (112*2π)/2172 weeks
113.11041 -.12121 (113*2π)/2172 weeks
114-.11704 -.01406 (114*2π)/2172 weeks
115-.05929 .0576 (115*2π)/2172 weeks
116.03855 .05478 (116*2π)/2172 weeks
117.05545 -.04093 (117*2π)/2172 weeks
118.00747 -.03191 (118*2π)/2172 weeks
119.02091 .08118 (119*2π)/2172 weeks
120-.0342 -.06281 (120*2π)/2172 weeks
121-.01403 -.08874 (121*2π)/2172 weeks
122.04977 .03538 (122*2π)/2172 weeks
123-.02086 .00556 (123*2π)/2172 weeks
124.04178 .01414 (124*2π)/2172 weeks
125.02633 -.06337 (125*2π)/2172 weeks
126.07217 -.05412 (126*2π)/2172 weeks
127-.10263 .01833 (127*2π)/2172 weeks
128.0128 .05576 (128*2π)/2172 weeks
129.0342 .02424 (129*2π)/2172 weeks
130-.02407 -.00099 (130*2π)/2172 weeks
131-.00744 .02117 (131*2π)/2172 weeks
132.01733 -.07936 (132*2π)/2172 weeks
133.03967 .00092 (133*2π)/2172 weeks
134-.01087 -.06374 (134*2π)/2172 weeks
135-.02129 -.01702 (135*2π)/2172 weeks
136.04086 .01654 (136*2π)/2172 weeks
137-.04437 -.03759 (137*2π)/2172 weeks
138.0793 -.008 (138*2π)/2172 weeks
139-.11696 .02371 (139*2π)/2172 weeks
140.10936 -.11814 (140*2π)/2172 weeks
141-.00017 .03315 (141*2π)/2172 weeks
142.01838 .02422 (142*2π)/2172 weeks
143.03291 -.07833 (143*2π)/2172 weeks
144.04807 -.00796 (144*2π)/2172 weeks
145.06302 -.01992 (145*2π)/2171 weeks
146.02013 -.09707 (146*2π)/2171 weeks
147-.01017 .09157 (147*2π)/2171 weeks
148.01964 -.00881 (148*2π)/2171 weeks
149.01079 -.01875 (149*2π)/2171 weeks
150-.01547 -.01233 (150*2π)/2171 weeks
151.03224 .06515 (151*2π)/2171 weeks
152.05771 -.06878 (152*2π)/2171 weeks
153.03074 .03699 (153*2π)/2171 weeks
154.03536 .02323 (154*2π)/2171 weeks
155.01282 -.12235 (155*2π)/2171 weeks
156.05016 .08103 (156*2π)/2171 weeks
157-.0415 -.01419 (157*2π)/2171 weeks
158.05312 -.03695 (158*2π)/2171 weeks
159.02856 -.0509 (159*2π)/2171 weeks
160-.09659 .05631 (160*2π)/2171 weeks
161.1217 -.06856 (161*2π)/2171 weeks
162-.05056 .0121 (162*2π)/2171 weeks
163-.04244 .06804 (163*2π)/2171 weeks
164-.00521 -.00862 (164*2π)/2171 weeks
165.04426 .00848 (165*2π)/2171 weeks
166-.0574 -.06266 (166*2π)/2171 weeks
167-.04955 .08591 (167*2π)/2171 weeks
168.13255 -.06321 (168*2π)/2171 weeks
169-.07263 .11343 (169*2π)/2171 weeks
170.0239 -.23145 (170*2π)/2171 weeks
171-.04197 .04162 (171*2π)/2171 weeks
172.05991 .13714 (172*2π)/2171 weeks
173-.15247 -.10751 (173*2π)/2171 weeks
174.14865 -.02692 (174*2π)/2171 weeks
175-.12771 -.12835 (175*2π)/2171 weeks
176-.10551 .13665 (176*2π)/2171 weeks
177.11455 -.01698 (177*2π)/2171 weeks
178.13056 .10299 (178*2π)/2171 weeks
179-.13136 -.192 (179*2π)/2171 weeks
180.15225 -.00889 (180*2π)/2171 weeks
181-.05654 .03481 (181*2π)/2171 weeks
182-.20803 -.10786 (182*2π)/2171 weeks
183.06874 .03799 (183*2π)/2171 weeks
184.02884 .08594 (184*2π)/2171 weeks
185-.08271 .076 (185*2π)/2171 weeks
186.08369 -.22063 (186*2π)/2171 weeks
187.03706 .02399 (187*2π)/2171 weeks
188-.28635 .07176 (188*2π)/2171 weeks
189.1969 .04076 (189*2π)/2171 weeks
190.06643 .03197 (190*2π)/2171 weeks
191.03594 -.0223 (191*2π)/2171 weeks
192-.05844 .19471 (192*2π)/2171 weeks
193.15688 -.07853 (193*2π)/2171 weeks
194-.35898 -.38547 (194*2π)/2171 weeks
195.34597 .13924 (195*2π)/2171 weeks
196-.02513 .0956 (196*2π)/2171 weeks
197.09039 -.38553 (197*2π)/2171 weeks
198-.12339 .20357 (198*2π)/2171 weeks
199.09091 .16875 (199*2π)/2171 weeks
200-.08786 -.13552 (200*2π)/2171 weeks
201.04172 .06921 (201*2π)/2171 weeks
202-.08585 .09451 (202*2π)/2171 weeks
203-.34898 -.36706 (203*2π)/2171 weeks
204-.07991 .05673 (204*2π)/2171 weeks
205.44584 .48584 (205*2π)/2171 weeks
206.12636 -.26764 (206*2π)/2171 weeks
207-.53247 -.15324 (207*2π)/2171 weeks
208.30959 -.14179 (208*2π)/2171 weeks
209-.06141 -.25013 (209*2π)/2171 weeks
210-.60737 -.07782 (210*2π)/2171 weeks
2111.00505 1.20797 (211*2π)/2171 weeks
212-.34789 -.50556 (212*2π)/2171 weeks
213.36471 -1.03039 (213*2π)/2171 weeks
214.27777 .38158 (214*2π)/2171 weeks
215-.11481 2.13213 (215*2π)/2171 weeks

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