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# Fourier Analysis of XGTI (Vislink Technologies)

XGTI (Vislink Technologies) appears to have interesting cyclic behaviour every 34 weeks (369.2637*sine), 31 weeks (315.8106*cosine), and 27 weeks (237.196*cosine).

XGTI (Vislink Technologies) has an average price of 910.36 (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 7/25/2011 to 6/28/2019 for XGTI (Vislink Technologies), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
0910.3645   0
129.39234 1,473.505 (1*2π)/373373 weeks
2-817.7899 -30.48904 (2*2π)/373187 weeks
354.87692 -423.0904 (3*2π)/373124 weeks
4337.0849 -135.8481 (4*2π)/37393 weeks
5441.6194 253.2369 (5*2π)/37375 weeks
6-76.856 592.1244 (6*2π)/37362 weeks
7-534.498 35.29118 (7*2π)/37353 weeks
8-56.5136 -431.9337 (8*2π)/37347 weeks
9361.8415 -137.5451 (9*2π)/37341 weeks
10293.9493 259.3271 (10*2π)/37337 weeks
11-126.4612 369.2637 (11*2π)/37334 weeks
12-315.8106 -59.36692 (12*2π)/37331 weeks
1354.47057 -253.5404 (13*2π)/37329 weeks
14237.196 2.70916 (14*2π)/37327 weeks
1599.2471 182.224 (15*2π)/37325 weeks
16-56.33421 140.6175 (16*2π)/37323 weeks
17-97.88093 43.31606 (17*2π)/37322 weeks
18-69.17786 -63.09636 (18*2π)/37321 weeks
1970.23562 -96.12173 (19*2π)/37320 weeks
20157.3148 49.87307 (20*2π)/37319 weeks
2117.32284 179.8335 (21*2π)/37318 weeks
22-124.819 56.03498 (22*2π)/37317 weeks
23-46.27415 -57.78486 (23*2π)/37316 weeks
2428.43544 -56.47023 (24*2π)/37316 weeks
25102.141 -7.33528 (25*2π)/37315 weeks
2680.63348 115.4741 (26*2π)/37314 weeks
27-72.54455 138.1848 (27*2π)/37314 weeks
28-146.2542 -32.26888 (28*2π)/37313 weeks
2926.43596 -149.0968 (29*2π)/37313 weeks
30168.1446 12.73982 (30*2π)/37312 weeks
3129.59475 154.3512 (31*2π)/37312 weeks
32-85.18021 57.29618 (32*2π)/37312 weeks
33-54.37335 -17.44133 (33*2π)/37311 weeks
34-6.04256 -61.05489 (34*2π)/37311 weeks
3586.52288 -22.8892 (35*2π)/37311 weeks
3667.44658 84.17857 (36*2π)/37310 weeks
37-38.08401 107.3495 (37*2π)/37310 weeks
38-112.6439 3.2253 (38*2π)/37310 weeks
39-10.97581 -105.9699 (39*2π)/37310 weeks
40105.4321 -19.27023 (40*2π)/3739 weeks
4148.27158 85.74569 (41*2π)/3739 weeks
42-35.33321 63.51284 (42*2π)/3739 weeks
43-44.27144 9.57586 (43*2π)/3739 weeks
44-26.22167 -22.16943 (44*2π)/3738 weeks
4521.00624 -40.87356 (45*2π)/3738 weeks
4668.67302 17.21913 (46*2π)/3738 weeks
477.63705 83.42642 (47*2π)/3738 weeks
48-70.16747 28.37559 (48*2π)/3738 weeks
49-27.8689 -52.87152 (49*2π)/3738 weeks
5046.30362 -29.08105 (50*2π)/3737 weeks
5144.68303 30.89824 (51*2π)/3737 weeks
521.0927 49.34656 (52*2π)/3737 weeks
53-29.78587 22.83688 (53*2π)/3737 weeks
54-20.83113 -9.64341 (54*2π)/3737 weeks
551.19767 -20.45173 (55*2π)/3737 weeks
5636.45157 -15.31836 (56*2π)/3737 weeks
5745.35267 43.46249 (57*2π)/3737 weeks
58-24.35915 60.71655 (58*2π)/3736 weeks
59-49.43409 -2.40024 (59*2π)/3736 weeks
60-.59247 -36.71518 (60*2π)/3736 weeks
6135.90285 -1.42678 (61*2π)/3736 weeks
6217.12178 26.48949 (62*2π)/3736 weeks
633.95443 27.39557 (63*2π)/3736 weeks
64-11.70349 33.7018 (64*2π)/3736 weeks
65-42.56055 13.42998 (65*2π)/3736 weeks
66-24.28001 -41.81194 (66*2π)/3736 weeks
6746.34039 -26.86833 (67*2π)/3736 weeks
6837.53493 47.67001 (68*2π)/3735 weeks
69-34.69685 52.26794 (69*2π)/3735 weeks
70-59.15413 -16.04523 (70*2π)/3735 weeks
711.74088 -60.39415 (71*2π)/3735 weeks
7260.25705 -14.38824 (72*2π)/3735 weeks
7340.16927 50.26612 (73*2π)/3735 weeks
74-26.45774 67.65751 (74*2π)/3735 weeks
75-82.74195 -.48151 (75*2π)/3735 weeks
76-18.96273 -82.90136 (76*2π)/3735 weeks
7773.78313 -36.97593 (77*2π)/3735 weeks
7858.35326 58.9276 (78*2π)/3735 weeks
79-41.59837 77.21732 (79*2π)/3735 weeks
80-86.26186 -23.93581 (80*2π)/3735 weeks
811.3447 -85.85506 (81*2π)/3735 weeks
8277.44362 -28.59889 (82*2π)/3735 weeks
8356.51256 59.24007 (83*2π)/3734 weeks
84-34.77908 69.48639 (84*2π)/3734 weeks
85-66.47672 -9.97697 (85*2π)/3734 weeks
86-14.38834 -58.12767 (86*2π)/3734 weeks
8749.8556 -38.42764 (87*2π)/3734 weeks
8859.01577 39.83623 (88*2π)/3734 weeks
89-28.83404 73.30825 (89*2π)/3734 weeks
90-81.18427 -16.01397 (90*2π)/3734 weeks
91-5.1757 -80.32921 (91*2π)/3734 weeks
9265.8042 -33.71249 (92*2π)/3734 weeks
9354.73969 41.12371 (93*2π)/3734 weeks
94-19.631 58.272 (94*2π)/3734 weeks
95-52.01129 -6.94485 (95*2π)/3734 weeks
96-6.6061 -45.59426 (96*2π)/3734 weeks
9737.11687 -27.77611 (97*2π)/3734 weeks
9847.92607 25.3478 (98*2π)/3734 weeks
99-16.2446 56.09709 (99*2π)/3734 weeks
100-53.08518 -8.48862 (100*2π)/3734 weeks
101-6.65257 -41.69808 (101*2π)/3734 weeks
10220.11917 -25.70808 (102*2π)/3734 weeks
10333.40632 -4.26061 (103*2π)/3734 weeks
10415.12547 28.57343 (104*2π)/3734 weeks
105-26.33709 12.64238 (105*2π)/3734 weeks
106-16.17605 -29.07491 (106*2π)/3734 weeks
10720.77072 -30.36693 (107*2π)/3733 weeks
10835.76798 -1.6353 (108*2π)/3733 weeks
10917.40995 24.18011 (109*2π)/3733 weeks
110-12.45799 15.76273 (110*2π)/3733 weeks
111-12.07061 -10.53638 (111*2π)/3733 weeks
1125.52648 -16.00917 (112*2π)/3733 weeks
11314.30785 -8.33411 (113*2π)/3733 weeks
11415.29108 -.15615 (114*2π)/3733 weeks
11512.02799 10.45739 (115*2π)/3733 weeks
116-11.98867 12.54226 (116*2π)/3733 weeks
117-16.82688 -24.20276 (117*2π)/3733 weeks
11824.13924 -32.35245 (118*2π)/3733 weeks
11939.99216 1.77808 (119*2π)/3733 weeks
12019.93346 28.10986 (120*2π)/3733 weeks
121-14.52525 23.36865 (121*2π)/3733 weeks
122-22.46021 -12.87465 (122*2π)/3733 weeks
1238.93715 -30.13887 (123*2π)/3733 weeks
12433.5002 -9.07385 (124*2π)/3733 weeks
12526.31719 23.38814 (125*2π)/3733 weeks
126-14.40395 29.85992 (126*2π)/3733 weeks
127-32.47018 -14.57049 (127*2π)/3733 weeks
1288.62464 -43.03449 (128*2π)/3733 weeks
12945.05193 -10.44923 (129*2π)/3733 weeks
13023.40119 29.29684 (130*2π)/3733 weeks
131-13.99884 18.39826 (131*2π)/3733 weeks
132-12.28639 -10.22606 (132*2π)/3733 weeks
1332.28544 -15.98451 (133*2π)/3733 weeks
13411.71513 -18.45843 (134*2π)/3733 weeks
13533.2505 -10.04563 (135*2π)/3733 weeks
13628.36447 30.13086 (136*2π)/3733 weeks
137-25.74705 30.71785 (137*2π)/3733 weeks
138-36.53167 -30.05983 (138*2π)/3733 weeks
13925.27066 -57.23367 (139*2π)/3733 weeks
14068.18601 2.63659 (140*2π)/3733 weeks
14117.78451 51.26265 (141*2π)/3733 weeks
142-28.87814 24.27954 (142*2π)/3733 weeks
143-34.59652 -22.38553 (143*2π)/3733 weeks
14414.70196 -58.04554 (144*2π)/3733 weeks
14571.96131 -11.4167 (145*2π)/3733 weeks
14637.11871 61.08663 (146*2π)/3733 weeks
147-46.7244 43.26353 (147*2π)/3733 weeks
148-45.03446 -47.49384 (148*2π)/3733 weeks
14945.40948 -58.13552 (149*2π)/3733 weeks
15064.73292 21.84337 (150*2π)/3732 weeks
1516.59101 47.20764 (151*2π)/3732 weeks
152-22.73145 18.96268 (152*2π)/3732 weeks
153-25.67162 -10.83921 (153*2π)/3732 weeks
154-.4518 -40.98039 (154*2π)/3732 weeks
15551.13776 -24.94527 (155*2π)/3732 weeks
15646.28382 41.82425 (156*2π)/3732 weeks
157-27.46449 48.14599 (157*2π)/3732 weeks
158-45.37833 -22.76612 (158*2π)/3732 weeks
15914.44735 -52.54636 (159*2π)/3732 weeks
16053.21013 -9.37477 (160*2π)/3732 weeks
16130.86669 32.07984 (161*2π)/3732 weeks
162-6.52654 33.9199 (162*2π)/3732 weeks
163-33.58862 4.17259 (163*2π)/3732 weeks
164-11.85878 -43.75879 (164*2π)/3732 weeks
16548.43742 -31.71935 (165*2π)/3732 weeks
16649.27181 34.22359 (166*2π)/3732 weeks
167-17.69928 48.63187 (167*2π)/3732 weeks
168-43.85313 -13.46392 (168*2π)/3732 weeks
1695.91971 -49.28253 (169*2π)/3732 weeks
17049.68052 -16.86086 (170*2π)/3732 weeks
17133.60756 30.39141 (171*2π)/3732 weeks
172-8.7174 26.38724 (172*2π)/3732 weeks
173-13.38385 -3.27321 (173*2π)/3732 weeks
174-.45264 -15.02584 (174*2π)/3732 weeks
17518.90595 -19.28641 (175*2π)/3732 weeks
17637.25668 7.18438 (176*2π)/3732 weeks
1778.82386 35.31123 (177*2π)/3732 weeks
178-25.00506 11.85898 (178*2π)/3732 weeks
179-11.21799 -22.05092 (179*2π)/3732 weeks
18017.33833 -19.34674 (180*2π)/3732 weeks
18123.13003 1.28213 (181*2π)/3732 weeks
18211.13941 10.95949 (182*2π)/3732 weeks
1832.03752 8.5782 (183*2π)/3732 weeks
184-8.98529 3.30512 (184*2π)/3732 weeks
185-7.51044 -25.41911 (185*2π)/3732 weeks
18637.07141 -25.45656 (186*2π)/3732 weeks
18737.07141 25.45656 (187*2π)/3732 weeks
188-7.51044 25.41911 (188*2π)/3732 weeks
189-8.98529 -3.30512 (189*2π)/3732 weeks
1902.03752 -8.5782 (190*2π)/3732 weeks
19111.13941 -10.95949 (191*2π)/3732 weeks
19223.13003 -1.28213 (192*2π)/3732 weeks
19317.33833 19.34674 (193*2π)/3732 weeks
194-11.21799 22.05092 (194*2π)/3732 weeks
195-25.00506 -11.85898 (195*2π)/3732 weeks
1968.82386 -35.31123 (196*2π)/3732 weeks
19737.25668 -7.18438 (197*2π)/3732 weeks
19818.90595 19.28641 (198*2π)/3732 weeks
199-.45264 15.02584 (199*2π)/3732 weeks
200-13.38385 3.27321 (200*2π)/3732 weeks
201-8.7174 -26.38724 (201*2π)/3732 weeks
20233.60756 -30.39141 (202*2π)/3732 weeks
20349.68052 16.86086 (203*2π)/3732 weeks
2045.91971 49.28253 (204*2π)/3732 weeks
205-43.85313 13.46392 (205*2π)/3732 weeks
206-17.69928 -48.63187 (206*2π)/3732 weeks
20749.27181 -34.22359 (207*2π)/3732 weeks
20848.43742 31.71935 (208*2π)/3732 weeks
209-11.85878 43.75879 (209*2π)/3732 weeks
210-33.58862 -4.17259 (210*2π)/3732 weeks
211-6.52654 -33.9199 (211*2π)/3732 weeks
21230.86669 -32.07984 (212*2π)/3732 weeks
21353.21013 9.37477 (213*2π)/3732 weeks
21414.44735 52.54636 (214*2π)/3732 weeks
215-45.37833 22.76612 (215*2π)/3732 weeks
216-27.46449 -48.14599 (216*2π)/3732 weeks
21746.28382 -41.82425 (217*2π)/3732 weeks
21851.13776 24.94527 (218*2π)/3732 weeks
219-.4518 40.98039 (219*2π)/3732 weeks
220-25.67162 10.83921 (220*2π)/3732 weeks
221-22.73145 -18.96268 (221*2π)/3732 weeks
2226.59101 -47.20764 (222*2π)/3732 weeks
22364.73292 -21.84337 (223*2π)/3732 weeks
22445.40948 58.13552 (224*2π)/3732 weeks
225-45.03446 47.49384 (225*2π)/3732 weeks
226-46.7244 -43.26353 (226*2π)/3732 weeks
22737.11871 -61.08663 (227*2π)/3732 weeks
22871.96131 11.4167 (228*2π)/3732 weeks
22914.70196 58.04554 (229*2π)/3732 weeks
230-34.59652 22.38553 (230*2π)/3732 weeks
231-28.87814 -24.27954 (231*2π)/3732 weeks
23217.78451 -51.26265 (232*2π)/3732 weeks
23368.18601 -2.63659 (233*2π)/3732 weeks
23425.27066 57.23367 (234*2π)/3732 weeks
235-36.53167 30.05983 (235*2π)/3732 weeks
236-25.74705 -30.71785 (236*2π)/3732 weeks
23728.36447 -30.13086 (237*2π)/3732 weeks
23833.2505 10.04563 (238*2π)/3732 weeks
23911.71513 18.45843 (239*2π)/3732 weeks
2402.28544 15.98451 (240*2π)/3732 weeks
241-12.28639 10.22606 (241*2π)/3732 weeks
242-13.99884 -18.39826 (242*2π)/3732 weeks
24323.40119 -29.29684 (243*2π)/3732 weeks
24445.05193 10.44923 (244*2π)/3732 weeks
2458.62464 43.03449 (245*2π)/3732 weeks
246-32.47018 14.57049 (246*2π)/3732 weeks
247-14.40395 -29.85992 (247*2π)/3732 weeks
24826.31719 -23.38814 (248*2π)/3732 weeks
24933.5002 9.07385 (249*2π)/3731 weeks
2508.93715 30.13887 (250*2π)/3731 weeks
251-22.46021 12.87465 (251*2π)/3731 weeks
252-14.52525 -23.36865 (252*2π)/3731 weeks
25319.93346 -28.10986 (253*2π)/3731 weeks
25439.99216 -1.77808 (254*2π)/3731 weeks
25524.13924 32.35245 (255*2π)/3731 weeks
256-16.82688 24.20276 (256*2π)/3731 weeks
257-11.98867 -12.54226 (257*2π)/3731 weeks
25812.02799 -10.45739 (258*2π)/3731 weeks
25915.29108 .15615 (259*2π)/3731 weeks
26014.30785 8.33411 (260*2π)/3731 weeks
2615.52648 16.00917 (261*2π)/3731 weeks
262-12.07061 10.53638 (262*2π)/3731 weeks
263-12.45799 -15.76273 (263*2π)/3731 weeks
26417.40995 -24.18011 (264*2π)/3731 weeks
26535.76798 1.6353 (265*2π)/3731 weeks
26620.77072 30.36693 (266*2π)/3731 weeks
267-16.17605 29.07491 (267*2π)/3731 weeks
268-26.33709 -12.64238 (268*2π)/3731 weeks
26915.12547 -28.57343 (269*2π)/3731 weeks
27033.40632 4.26061 (270*2π)/3731 weeks
27120.11917 25.70808 (271*2π)/3731 weeks
272-6.65257 41.69808 (272*2π)/3731 weeks
273-53.08518 8.48862 (273*2π)/3731 weeks
274-16.2446 -56.09709 (274*2π)/3731 weeks
27547.92607 -25.3478 (275*2π)/3731 weeks
27637.11687 27.77611 (276*2π)/3731 weeks
277-6.6061 45.59426 (277*2π)/3731 weeks
278-52.01129 6.94485 (278*2π)/3731 weeks
279-19.631 -58.272 (279*2π)/3731 weeks
28054.73969 -41.12371 (280*2π)/3731 weeks
28165.8042 33.71249 (281*2π)/3731 weeks
282-5.1757 80.32921 (282*2π)/3731 weeks
283-81.18427 16.01397 (283*2π)/3731 weeks
284-28.83404 -73.30825 (284*2π)/3731 weeks
28559.01577 -39.83623 (285*2π)/3731 weeks
28649.8556 38.42764 (286*2π)/3731 weeks
287-14.38834 58.12767 (287*2π)/3731 weeks
288-66.47672 9.97697 (288*2π)/3731 weeks
289-34.77908 -69.48639 (289*2π)/3731 weeks
29056.51256 -59.24007 (290*2π)/3731 weeks
29177.44362 28.59889 (291*2π)/3731 weeks
2921.3447 85.85506 (292*2π)/3731 weeks
293-86.26186 23.93581 (293*2π)/3731 weeks
294-41.59837 -77.21732 (294*2π)/3731 weeks
29558.35326 -58.9276 (295*2π)/3731 weeks
29673.78313 36.97593 (296*2π)/3731 weeks
297-18.96273 82.90136 (297*2π)/3731 weeks
298-82.74195 .48151 (298*2π)/3731 weeks
299-26.45774 -67.65751 (299*2π)/3731 weeks
30040.16927 -50.26612 (300*2π)/3731 weeks
30160.25705 14.38824 (301*2π)/3731 weeks
3021.74088 60.39415 (302*2π)/3731 weeks
303-59.15413 16.04523 (303*2π)/3731 weeks
304-34.69685 -52.26794 (304*2π)/3731 weeks
30537.53493 -47.67001 (305*2π)/3731 weeks
30646.34039 26.86833 (306*2π)/3731 weeks
307-24.28001 41.81194 (307*2π)/3731 weeks
308-42.56055 -13.42998 (308*2π)/3731 weeks
309-11.70349 -33.7018 (309*2π)/3731 weeks
3103.95443 -27.39557 (310*2π)/3731 weeks
31117.12178 -26.48949 (311*2π)/3731 weeks
31235.90285 1.42678 (312*2π)/3731 weeks
313-.59247 36.71518 (313*2π)/3731 weeks
314-49.43409 2.40024 (314*2π)/3731 weeks
315-24.35915 -60.71655 (315*2π)/3731 weeks
31645.35267 -43.46249 (316*2π)/3731 weeks
31736.45157 15.31836 (317*2π)/3731 weeks
3181.19767 20.45173 (318*2π)/3731 weeks
319-20.83113 9.64341 (319*2π)/3731 weeks
320-29.78587 -22.83688 (320*2π)/3731 weeks
3211.0927 -49.34656 (321*2π)/3731 weeks
32244.68303 -30.89824 (322*2π)/3731 weeks
32346.30362 29.08105 (323*2π)/3731 weeks
324-27.8689 52.87152 (324*2π)/3731 weeks
325-70.16747 -28.37559 (325*2π)/3731 weeks
3267.63705 -83.42642 (326*2π)/3731 weeks
32768.67302 -17.21913 (327*2π)/3731 weeks
32821.00624 40.87356 (328*2π)/3731 weeks
329-26.22167 22.16943 (329*2π)/3731 weeks
330-44.27144 -9.57586 (330*2π)/3731 weeks
331-35.33321 -63.51284 (331*2π)/3731 weeks
33248.27158 -85.74569 (332*2π)/3731 weeks
333105.4321 19.27023 (333*2π)/3731 weeks
334-10.97581 105.9699 (334*2π)/3731 weeks
335-112.6439 -3.2253 (335*2π)/3731 weeks
336-38.08401 -107.3495 (336*2π)/3731 weeks
33767.44658 -84.17857 (337*2π)/3731 weeks
33886.52288 22.8892 (338*2π)/3731 weeks
339-6.04256 61.05489 (339*2π)/3731 weeks
340-54.37335 17.44133 (340*2π)/3731 weeks
341-85.18021 -57.29618 (341*2π)/3731 weeks
34229.59475 -154.3512 (342*2π)/3731 weeks
343168.1446 -12.73982 (343*2π)/3731 weeks
34426.43596 149.0968 (344*2π)/3731 weeks
345-146.2542 32.26888 (345*2π)/3731 weeks
346-72.54455 -138.1848 (346*2π)/3731 weeks
34780.63348 -115.4741 (347*2π)/3731 weeks
348102.141 7.33528 (348*2π)/3731 weeks
34928.43544 56.47023 (349*2π)/3731 weeks
350-46.27415 57.78486 (350*2π)/3731 weeks
351-124.819 -56.03498 (351*2π)/3731 weeks
35217.32284 -179.8335 (352*2π)/3731 weeks
353157.3148 -49.87307 (353*2π)/3731 weeks
35470.23562 96.12173 (354*2π)/3731 weeks
355-69.17786 63.09636 (355*2π)/3731 weeks
356-97.88093 -43.31606 (356*2π)/3731 weeks
357-56.33421 -140.6175 (357*2π)/3731 weeks
35899.2471 -182.224 (358*2π)/3731 weeks
359237.196 -2.70916 (359*2π)/3731 weeks
36054.47057 253.5404 (360*2π)/3731 weeks
361-315.8106 59.36692 (361*2π)/3731 weeks
362-126.4612 -369.2637 (362*2π)/3731 weeks
363293.9493 -259.3271 (363*2π)/3731 weeks
364361.8415 137.5451 (364*2π)/3731 weeks
365-56.5136 431.9337 (365*2π)/3731 weeks
366-534.498 -35.29118 (366*2π)/3731 weeks
367-76.856 -592.1244 (367*2π)/3731 weeks
368441.6194 -253.2369 (368*2π)/3731 weeks
369337.0849 135.8481 (369*2π)/3731 weeks
37054.87692 423.0904 (370*2π)/3731 weeks
371-817.7899 30.48904 (371*2π)/3731 weeks